"A file backup should be made when changes to the program occur.
True or false?

Answers

Answer 1

The statement is true because making a backup of a file is an important best practice for data protection and disaster recovery.

When changes are made to a program, especially if the changes are significant, there is a risk that the program may become corrupted or fail to function properly. This could result in data loss or downtime, which could be costly and disruptive to the organization.

By making a backup of the file before changes are made, you can minimize the risk of data loss or downtime by providing a fallback option in case of any issues that may arise. Backups can be used to restore data to a previous state, allowing you to recover from any problems that may occur during or after the changes are made.

Regular backups are an essential part of a robust data protection and disaster recovery plan, and should be performed regularly to ensure that critical data is protected and available in the event of a disaster or other issue.

Learn more about backup https://brainly.com/question/13121119

#SPJ11


Related Questions

When creating Unity Materials it is best to work with an unlit scene (T/F):

Answers

The given statement "When creating Unity Materials it is best to work with an unlit scene" is False because when creating Unity materials, it is not always best to work with an unlit scene.

An unlit scene is a scene that has no light sources and is often used for UI or 2D projects. However, for most 3D projects, lighting is crucial to creating a realistic and immersive environment.

Unity provides a variety of lighting options, including directional, point, and spotlights, as well as ambient lighting and global illumination. These tools allow developers to create realistic lighting conditions and shadows that affect the appearance of materials.

Working with a lit scene allows developers to see how materials interact with different lighting conditions and make adjustments as necessary. It also allows for the use of features like reflections, transparency, and emissive materials that require a lighting source to be effective.

In conclusion, it is not best to work with an unlit scene when creating Unity materials. Developers should take advantage of the available lighting tools to create a more immersive and realistic environment.

You can learn more about light sources at: brainly.com/question/14459326

#SPJ11

Which of the following statements are true (choose all that apply)? Socket recv() makes a process (or a thread) wait until it receives data (blocking socket cases) Socket server with listen(sock_fd, 10) can accept 10 client connections Socket client uses the file descriptor returned by socket() call for communication Socket server should start listen() before it binds with the server IP:Port address Socket server users the file descriptor returned by socket() call for communication

Answers

The true statements are;

Socket recv() makes a process (or a thread) wait until it receives data (blocking socket cases).Socket server with listen(sock_fd, 10) can accept 10 client connections.Socket client uses the file descriptor returned by socket() call for communication.Socket server uses the file descriptor returned by socket() call for communication.

Option A, B, C, and E is correct.

Statement A is true because in blocking mode, recv() will block the calling process or thread until data is received.

Statement B is true because the listen() function with the second parameter as 10 specifies the maximum number of client connections the server can accept in its connection queue.

Statement C is true because the socket() function returns a file descriptor which is used by the client for communication with the server.

Statement E is true because similar to the client, the server also uses the file descriptor returned by the socket() function for communication. However, when a new client connects, the server receives another file descriptor from the accept() function, which is then used specifically for communication with that client.

Therefore, option A, B, C. and E is correct.

Which of the following statements are true (choose all that apply)?

A. Socket recv() makes a process (or a thread) wait until it receives data (blocking socket cases)

B. Socket server with listen(sock_fd, 10) can accept 10 client connections

C. Socket client uses the file descriptor returned by socket() call for communication

D. Socket server should start listen() before it binds with the server IP:Port address

E. Socket server users the file descriptor returned by socket() call for communication

Learn more about file descriptor https://brainly.com/question/31669248

#SPJ11

Which part of a subnet mask (in binary) tells you which part should be IGNORED when computing the host ID: the 1s, or the 0s?

Answers

The part of a subnet mask (in binary) that tells you which part should be ignored when computing the host ID is the 0s.

The 1s in the subnet mask represent the network portion, while the 0s represent the host portion.

When calculating the host ID, you need to ignore the bits that are set to 0 in the subnet mask. This allows you to determine the range of valid host addresses within a given network.

For example, if a subnet mask has 8 bits set to 1 and 24 bits set to 0, you can have up to 2²⁴⁻² (or 16,777,214) hosts in that network, since the first and last addresses are reserved for the network address and broadcast address respectively.

Learn more about subnet mask at

https://brainly.com/question/29974465

#SPJ11

Which jQuery method can be utilized to focus on a particular element? onload hover) focus() focuson() Question 2 1 pts What are the function of the given code Line 1: var arrivalDate = $("#arrival_date"). Val(). Trim(); Line 2: $("#arrival_date"). Val(arrivalDate); Line 1: The val method is used to get the value of the arrival date text box using the jQuery id selector, which is then trimmed to remove white spaces and stored in the arrivalDate variable. Line 2: Validates the text input of the arrival_date using the jQuery id selector. Line 1: The val() method is used to get the value of the arrival_date text box using the jQuery id selector, which is then trimmed to remove white spaces and stored in the arrivalDate variable. Line 2: The trimmed value is then assigned back to the arrival date text box using the jQuery id selector Lin 1: The val() method is used to assign a value to the arrival date text box using IQuery id selector. Line 2: Validates the text input of the arrival date using the jQuery id selector. None of the other options

Answers

The jQuery method that can be used to focus on a particular element is focus().

What code provided the interpretation?

Regarding the code provided, the correct interpretation of the function of each line is:

Line 1: The val() method is used to get the value of the 'arrival_date' text field using the jQuery id picker. The value is then truncated to remove whitespace and stored in the "arrivalDate" variable.

Line 2: The truncated value stored in the "arrivalDate" variable is reassigned to the "arrival_date" text field using the jQuery id selector. This will set the value of the text box to the truncated value obtained in line 1. Therefore, the code updates the value of the `arrival_date` text box to remove any leading or trailing white spaces.

learn more about jQuery: https://brainly.com/question/29313631

#SPJ4

905. Sort By Array Parity
Given an array A of non-negative integers, return an array consisting of all the even elements of A, followed by all the odd elements of A.
You may return any answer array that satisfies this condition.
Note:
1 <= A.length <= 5000
0 <= A[i] <= 5000

Answers

Algorithm to sort an array of non-negative integers by parity: Use two pointers to partition the array into even and odd elements, swap them around the pivot point until the pointers meet. Time complexity: O(n).

How we can array A of non-negative integers?

To sort an array A of non-negative integers by parity, we can use two pointers approach.

We can initialize two pointers, i and j, at the beginning and end of the array respectively.

Then, we can increment i until we find an odd element and decrement j until we find an even element. If i < j, we can swap A[i] and A[j]. We repeat this process until i >= j.

The reason this algorithm works is because we are essentially partitioning the array into even and odd elements by swapping them around the pivot point.

This is similar to the quicksort algorithm, where we partition an array into smaller and larger elements around a pivot point.

The time complexity of this algorithm is O(n), where n is the size of the array, since we need to traverse the array once using two pointers.

Learn more about non-negative integers

brainly.com/question/16155009

#SPJ11

What is AOS Distributed Storage?
A) A scalable distributed storage system which exposes NFS/SMB file storage as well as iSCSI block storage with no single points of failure
B) A group of vDisks
C) Software defined storage for unstructured data

Answers

AOS Distributed Storage is A) a scalable distributed storage system that exposes NFS/SMB file storage, as well as iSCSI, block storage with no single points of failure. This type of storage system is designed to provide high availability, reliability, and scalability for organizations with large amounts of data.

It achieves this by distributing data across multiple nodes, ensuring that there are no single points of failure, which would result in data loss or service disruption. In AOS Distributed Storage, data is stored across multiple vDisks (B), which are virtual disk units that can be combined and configured to create a larger storage pool. This provides flexibility and scalability as storage needs grow and evolve.

Furthermore, AOS Distributed Storage is considered a software-defined storage solution (C) specifically designed for unstructured data, which includes files, multimedia, documents, and other types of data that do not fit neatly into structured databases.

Software-defined storage allows organizations to manage and provision storage resources using software rather than relying on traditional hardware-based solutions. This approach provides greater flexibility, efficiency, and cost-effectiveness in managing large amounts of unstructured data. Hence, A is the correct option.

You can learn more about storage systems at: brainly.com/question/30998949

#SPJ11

What is used To darken the ambient occlusion in baked lighting?

Answers

The baked lighting technique uses a shading method called ambient occlusion, which simulates shadowing by darkening areas where surfaces come into contact. This is achieved by applying a texture map or post-processing filter.

Ambient occlusion is a shading technique used to simulate the shadowing that occurs when objects are close to each other. In baked lighting, this technique is applied to a pre-calculated lightmap texture. This texture contains information about how light interacts with surfaces in the scene.

To darken the ambient occlusion, a texture map or post-processing filter is applied to the lightmap. This texture map or filter is designed to increase the contrast between areas of the lightmap where surfaces are in contact.

By darkening these areas, the ambient occlusion effect is enhanced, resulting in a more realistic and detailed lighting simulation.

For more questions like Map click the link below:

https://brainly.com/question/1127057

#SPJ11

NAT, or ______, allows devices in non-routable address space to communicate with other devices on the Internet.

Answers

NAT, or Network Address Translation, allows devices in non-routable address space to communicate with other devices on the Internet.

This process enables multiple devices to share a single public IP address, ensuring efficient utilization of IP addresses and improved network security.

It works by translating the private IP addresses of devices within a local network to a single public IP address. This process maintains security and conserves the limited IPv4 address space.

In a typical scenario, devices with non-routable addresses, such as those using the 192.168.x.x or 10.x.x.x ranges, cannot directly access the Internet.

NNAT resolves this issue by acting as an intermediary between the local network and the global Internet.

It maintains a mapping table that keeps track of the translation between private and public IP addresses.

When a device on the local network wants to communicate with a device on the Internet, the NNAT will replace the source address in the packet with the public IP address before forwarding it

Learn more about IP address at

https://brainly.com/question/14616784

#SPJ11

What is the Command to create a zipped log file archive

Answers

To create a zipped log file archive, you can use the following command in a command prompt or terminal window:

zip -r log_files.zip /path/to/log/files

This command will create a compressed archive named "log_files.zip" that contains all the files and directories within the "/path/to/log/files" directory, recursively.

To create a zipped log file archive, you can use the following command:
Open your command prompt (CMD on Windows or Terminal on macOS/Linux).
Navigate to the directory containing the log files you want to archive using the `cd` command.
Use the following command to create a zipped archive of the log files:
On Windows:
```
powershell Compress-Archive -Path "*.log" -DestinationPath "LogFilesArchive.zip"
```
On macOS/Linux:
```
zip LogFilesArchive.zip *.log
```
This command will create a zipped archive named "LogFilesArchive.zip" containing all the log files (files with the extension .log) in the current directory.

For similar question on command.

https://brainly.com/question/25808182

#SPJ11

which of the following is true if a programmer has to create a classclinicwith the following data members and functions?

Answers

Answer:

It is true that if a programmer has to create a class clinic with the following data members and functions, they will need to define the data members within the class and create the necessary functions to manipulate and access them. The data members may include patient information such as name, address, and medical history, while the functions could include methods to add new patients, modify patient information, or search for specific patients. The programmer may also need to consider data validation and error handling techniques to ensure the class functions correctly and safely.

Use the ____ symbol to make a cell reference absolute.
a. asterisk; b. number; c. dollar; d. equal sign

Answers

The dollar sign symbol ($) is used to make a cell reference absolute in Excel.

This locks the reference to a specific cell, column, or row, preventing it from changing when the formula is copied or moved to another cell.

To make a column or row reference absolute, add the dollar sign to the column letter or row number. To make both the column and row reference absolute, add the dollar sign to both the column letter and row number.For example, if you have a formula that multiplies the value in cell A1 by 10 and you want to copy it to cell B1, you would use the absolute reference $A$1 to ensure that the formula always refers to cell A1, even after it is copied. Without the absolute reference, the formula would change to refer to cell B1 when it is copied to the new location.

Learn more about reference here:

https://brainly.com/question/19894234

#SPJ11

FILL IN THE BLANK. The default scheduling class for a process in Solaris is ____.
A) time sharing
B) system
C) interactive
D) real-time

Answers

The default scheduling class for a process in Solaris is a) time sharing.

This means that the operating system allocates CPU time to processes based on their priority level and shares the CPU among multiple processes, allowing them to run concurrently.

Time sharing is ideal for general-purpose computing environments where multiple users share a single computer system. The time-sharing scheduling algorithm ensures that each process gets a fair share of CPU time, and no process monopolizes the CPU for an extended period. This improves the responsiveness and efficiency of the system, making it suitable for interactive applications.

Other scheduling classes, such as system, interactive, and real-time, are designed for specific purposes. The system class is used for system processes that require a higher priority level, while the interactive class is used for interactive applications that require low latency. The real-time class is used for time-critical applications that require deterministic response times.

In conclusion, the default scheduling class for a process in Solaris is time sharing, which provides fair CPU time allocation and is suitable for general-purpose computing environments.

Therefore, the correct answer is a) time sharing

Learn more about Time sharing here: https://brainly.com/question/31600866

#SPJ11

Which single-threaded process is shared across the server cluster, and accepts requests from VizQL, backgrounder, data server, and sometimes application server?

Answers

The single-threaded process that is shared across the server cluster and accepts requests from VizQL, backgrounder, data server, and sometimes application server is the "Gateway."

The Gateway serves as a central point for routing requests to the appropriate services within the server cluster, ensuring efficient communication and processing of tasks.

The process that is shared across the server cluster and accepts requests from VizQL, backgrounder, data server, and sometimes application server is the "Repository" process.

The Repository process is responsible for managing metadata about the Tableau Server environment, including user and group information, data sources, and workbook content.

It also handles authentication and authorization for all users and processes on the server.

When VizQL, backgrounder, data server, or application server processes need to access information about the server environment or perform actions that require authorization, they send requests to the Repository process.

The Repository process then handles these requests and returns the appropriate information or permissions.

For similar question on Gateway.

https://brainly.com/question/30724116

#SPJ11

Which "Emit From:" option allows particles to originate from anywhere within the emitter geometry?

Answers

The "Emit From" option that allows particles to originate from anywhere within the emitter geometry is the "Volume" option.

When you choose the "Volume" setting, particles will emit from random locations within the boundaries of the emitter's shape, creating a more natural distribution of particles. The "Emit From" option that allows particles to originate from anywhere within the emitter geometry is the "Volume" option.

Learn more about Volume at

https://brainly.com/question/1578538

#SPJ11

What type of test should be performed prior to running the program in continuous ?
Step Test

Answers

Before running a program in continuous, it is important to perform a step test.

This test involves running the program through a series of predetermined steps to ensure that it operates correctly and efficiently.

The purpose of the step test is to identify any potential issues or errors that may arise when the program is run continuously.

By testing the program step-by-step, developers can identify and address any problems before they become major issues.

The step test can also help to ensure that the program meets the required performance standards and operates within the desired parameters.

Learn more about step test at

https://brainly.com/question/1895608

#SPJ11

in windows-based security system, the access control list is stored in group of answer choices the web.config file. an xml file that user defined. the windows operating system. a windows form that the web application developer created.

Answers

In windows-based security system, the access control list is stored in the windows operating system" (Option B)

What is a access control list?

An access-control list is a set of permissions associated with a system resource in computer security. An ACL determines which users or system processes have access to objects and what activities are permitted on those objects. A typical ACL entry specifies a topic and an operation.

Access control lists (ACLs) can be used by organizations to safeguard data. One of the primary reasons for using access control lists is to prevent unauthorized people from accessing critical corporate information.

Learn more about Access Control:
https://brainly.com/question/14014672
#SPJ1

Which of the following correctly defines what a 'recurrence relation' is? O An equation (or inequality) that relates the nth element of a sequence to its predecessors (recursive case). This includes an initial condition (base case) T(n)=T(n-1)+2n, T(0)=1 An equation (or inequality) that represents nth iteration of a sequence in terms of n. That includes an initial condition Ô T(n) = 2(1+n), T(O) = 2

Answers

The correct definition of a recurrence relation is an equation (or inequality) that relates the nth element of a sequence to its predecessors (recursive case). This includes an initial condition (base case). Option A is correct.

A recurrence relation is a mathematical equation or inequality that defines the nth term of a sequence in terms of its previous terms. The equation usually includes a recursive case, which expresses the nth term in terms of one or more of its predecessors, and an initial condition or base case, which specifies the value of the first term in the sequence.

An example of a recurrence relation is T(n) = T(n-1) + 2n, T(0) = 1, which defines a sequence T of values starting with T(0) = 1 and recursively computing each subsequent value as the sum of the previous value and 2n, where n is the position of the term in the sequence.

Therefore, option A is correct.

Learn more about recurrence relation https://brainly.com/question/31384990

#SPJ11

If a, b, and c are int variables with a = 5, b = 7, c = 12, then the statement int z = (a * b - c) / a; will result in z equal to 4.A) TrueB) False

Answers

The statement "If a, b, and c are int variables with a = 5, b = 7, c = 12, then the statement int z = (a * b - c) / a; will result in z equal to 4" is true because it follows the order of operations in mathematics. Option A is correct.

In this case, the expression (a × b - c) / a first multiplies a and b, which gives the result 35. Then it subtracts c from 35, which gives the result 23. Finally, it divides 23 by a, which is equal to 5.

We have a = 5, b = 7, and c = 12.The statement is int z = (a × b - c) / a;Substitute the values: z = (5 × 7 - 12) / 5Perform the calculations: z = (35 - 12) / 5Simplify: z = 23 / 5

The result of 23 / 5 is 4.6. However, since z is an int variable, it can only hold integer values, so the decimal part is truncated, and z is assigned the value 4. Therefore, option A is correct.

Learn more about int variables https://brainly.com/question/28874745

#SPJ11

a code segment is intended to display the following output. up down down down up down down down which of the following code segments can be used to display the intended output?

Answers

Answer:

There are multiple ways to achieve the intended output. Here are a few code segments that can be used to display the output:

1. Using a loop to iterate through an array of strings:

```

String[] directions = {"up", "down", "down", "down", "up", "down", "down", "down"};

for (int i = 0; i < directions.length; i++) {

   System.out.print(directions[i] + " ");

}

```

2. Using a switch statement to print the strings:

```

for (int i = 1; i <= 8; i++) {

   switch(i) {

       case 1:

       case 5:

           System.out.print("up ");

           break;

       default:

           System.out.print("down ");

           break;

   }

}

```

3. Using if-else statements to print the strings:

```

for (int i = 1; i <= 8; i++) {

   if (i == 1 || i == 5) {

       System.out.print("up ");

   } else {

       System.out.print("down ");

   }

}

```

of the following events, which is defined by ansi as being equivalent to a rollback? question 18 options: a) five sql statements are executed. b) the end of a program is successfully reached. c) all changes are aborted and returned to a previous consistent state. d) the database is shut down for maintenance.

Answers

C) "All changes are aborted and returned to a previous consistent state"  is defined by ANSI as being equivalent to a rollback.

According to ANSI (American National Standards Institute), an event defined as being equivalent to a rollback is when all changes made to a database are aborted and returned to a previous consistent state. This means that any modifications or transactions performed within a specific context are undone, and the database is restored to its state prior to those changes. Rollback is commonly used to ensure data integrity and to handle exceptional situations or errors during database operations. It allows for reverting changes made during a transaction and maintaining the consistency and integrity of the database.

Option C ("All changes are aborted and returned to a previous consistent state") is the correct answer.

You can learn more about American National Standards Institute at

https://brainly.com/question/24050502

#SPJ11

_______ is a Python package installer recommended for installing Python packages that are not available in the Debian archive.

Answers

Pip is a package management system used to install and manage software packages written in Python.

It is the standard package installer for Python and is widely used in the Python community. Pip is particularly useful for installing Python packages that are not available in the Debian archive, which is the official repository for Debian-based Linux distributions. By using pip, users can easily install and manage third-party Python packages, including those that are not included in the default package repositories. Pip simplifies the process of installing and updating Python packages, making it an essential tool for Python developers and users.

You can learn more about Python at

https://brainly.com/question/26497128

#SPJ11

This option filters all files whose owner is the root user. What is it?

Answers

The option that filters files owned by the root user is "-user root" in the Linux and Unix command line.

What option filters files owned by the root user?

The paragraph does not provide a specific option that filters files owned by the root user, so it is difficult to give a precise answer.

However, in Linux and Unix systems, the "find" command can be used to filter files based on various criteria, including file ownership.

One way to filter files owned by the root user is to use the "-user" option with the root user's ID (0), like this: "find / -user 0". This command will search the entire file system for files owned by the root user.

This can be a useful way to identify files that may have sensitive system information or configuration settings.

Learn more about filters

brainly.com/question/22588059

#SPJ11

websites that allow people to type a word or a phrase into a text box and then quickly receive a listing of information are called engines.
T/F

Answers

The given statement "websites that allow people to type a word or a phrase into a text box and then quickly receive a listing of information are called search engines" is TRUE because it allows users to input a keyword or phrase and then quickly generate a list of relevant information.

These engines use complex algorithms to scan the internet and identify relevant content based on the user's search query.

In addition to web search, many search engines also offer specialized searches for images, videos, news, and more.

The ability to quickly and easily locate information online has become an integral part of modern life, and search engines have revolutionized the way we access and consume information.

Learn more about search engine at

https://brainly.com/question/31084416

#SPJ11

a company is deploying a new two-tier web application. the company wants to store their most frequently used data so that the response time for the application is improved. which aws service provides the best solution?

Answers

When a company deploys a new two-tier web application, it is important to consider how to store frequently used data to improve the application's response time. In this case, an AWS service may provide the best solution.

To store frequently used data for improved response time, Amazon Elasticache is the best AWS service to use. Elasticache is a fully managed, in-memory caching service that provides a high-performance data store. It supports popular engines such as Memcached and Redis, and can be used to cache frequently accessed data, such as session data, frequently accessed database query results, and more. By caching data in memory, Elasticache reduces the need to access the backend data source, improving application response time.

In conclusion, when a company deploys a new two-tier web application and needs to improve response time by storing frequently used data, Amazon Elasticache is the best AWS service to use. Elasticache is a fully managed, in-memory caching service that provides a high-performance data store, reducing the need to access the backend data source and improving application response time.

To learn more about AWS, visit:

https://brainly.com/question/30176139

#SPJ11

ipv6 is configured using several methods.in which method is the entire 128-bit ipv6 address and all other configuration information statically assigned to the host?

Answers

In the context of IPv6, manual configuration is a method where the entire 128-bit IPv6 address and all other configuration information are statically assigned to the host.

Manual configuration involves manually specifying the IPv6 address, subnet prefix, default gateway, and other network settings on the host. This method is typically used when a network administrator wants full control over the IP address assignment and configuration parameters for a specific host. With manual configuration, the host does not rely on any dynamic or automatic address assignment mechanisms, such as DHCPv6 (Dynamic Host Configuration Protocol for IPv6).

You can learn more about manual configuration at

https://brainly.com/question/30064273

#SPJ11

Assume that you are given both the preorder and postorder traversal of some binary tree t. Prove that this information, taken together, is not necessarily sufficient to reconstruct t uniquely, even if each value in t occurs only once.

Answers

It is true that having both the preorder and postorder traversal of a binary tree provides us with a lot of information about the tree's structure. However, this information is not always sufficient to reconstruct the tree uniquely.  


To illustrate this, let's consider the following example:
Preorder traversal: A, B, C
Postorder traversal: C, B, A
Using this information, we can determine that the root of the tree is A, and that its left subtree has a root of B and its right subtree has a root of C. However, we do not know the structure of each of these subtrees.
One possibility is that the left subtree is a single node with the value B, and the right subtree is a single node with the value C. This would result in the following tree:

    A
   / \
  B   C

However, it is also possible that the left subtree is a single node with the value C, and the right subtree is a single node with the value B. This would result in a different tree:

    A
   / \
  C   B

It's true that given the preorder and postorder traversal of a binary tree t, the information provided is not necessarily sufficient to reconstruct t uniquely, even if each value occurs only once.

To know more about postorder visit:-

https://brainly.com/question/28335324

#SPJ11

The kernel is the main component of an operating system. It manages the resources for I/O devices the system at the hardware level. T/F?

Answers

The given statement "The kernel is the main component of an operating system. It manages the resources for I/O devices the system at the hardware level " is True because the kernel is the central part of an operating system that acts as a bridge between the hardware and software.

It is responsible for managing the system's resources such as CPU, memory, and I/O devices at the lowest level. The kernel is loaded into the system's memory during the boot process and remains in control of the system until it is shut down.

One of the primary functions of the kernel is to manage I/O devices. It controls the communication between the system and the peripherals such as printers, disk drives, and network devices. It coordinates the transfer of data between these devices and the CPU, ensuring that data is processed correctly and efficiently.

The kernel also provides a layer of security by enforcing access control policies and managing user accounts and permissions. It is responsible for managing memory allocation, scheduling processes, and handling system interrupts.

In summary, the kernel is a critical component of an operating system that manages the system's resources at the hardware level. Without the kernel, the operating system would not be able to function properly.

You can learn more about operating systems at: brainly.com/question/31551584

#SPJ11

A continuously operating coherent BPSK system makes errors at the average rate of 100 errors per day. The data rate is 1000 bits/s. The single-sided noise power spectral density is No 10-10 W/Hz. (a) If the system is ergodic, what is the average bit error probability? (b) If the value of received average signal power is adjusted to be 10 w, will this re ceived power be adequate to maintain the error probability found in part (a)?

Answers

The average bit error probability is 0.00000001.

No, the error probability stated in component (a) cannot be maintained with the received power of 10 W.

How to determine error probability?

(a) Since the system is ergodic, the average bit error probability can be calculated as:

Pb = E/N₀, where E = energy per bit and N₀ = single-sided noise power spectral density.

The energy per bit can be calculated as:

E = PTb, where P = average received power and Tb = bit duration.

Tb = 1/f, where f = data rate.

Substituting the given values:

Tb = 1/1000 = 0.001 s

E = 100.001 = 0.01 J

N₀ = 10⁻¹⁰ W/Hz

E/N₀ = 0.01/10⁻¹⁰ = 10⁸

Pb = E/N₀ = 10⁻⁸ = 0.00000001

(b) No, the received power of 10 W is not adequate to maintain the error probability found in part (a). The average received power required to maintain the same error probability can be calculated as:

P = E/Tb = Ef = ER, where R = data rate.

Substituting the given values:

P = 0.01 x 1000 = 10 W

Therefore, the required average received power to maintain the same error probability is 10 W, which is higher than the given received power of 10 W.

Find out more on error probability here: https://brainly.com/question/31495271

#SPJ4

How long is the Total Length Field in an IP datagram header? (in bits)

Answers

The Total Length Field in an IP datagram header specifies the total length of the datagram in bytes.

It is a 16-bit field, which means it can represent values ranging from 0 to 65535. The length includes both the header and the payload (data). The field is important for the receiving host to determine the size of the datagram and to ensure that it can properly process and reassemble the incoming data. By examining the Total Length Field, the receiving host knows the exact length of the datagram and can allocate sufficient memory to store the incoming packet.

You can learn more about IP datagram at

https://brainly.com/question/22238625

#SPJ11

True/False: Like the COUNT function, many of Excel's statistical functions ignore cells that are blank or contain text.

Answers

The statement is generally false. Excel's statistical functions behave differently and can have different rules for handling blank or text cells, depending on the specific function.

For example, some functions like AVERAGE, MEDIAN, and MODE ignore text and empty cells, while other functions like MAX, MIN, and STDEV include them in calculations as zero or the lowest/highest value, respectively. Additionally, some functions offer different behavior options through their syntax, like the COUNTIF function, which can include or ignore blanks with specific criteria. Therefore, it's important to check the specific function's documentation or test its behavior to ensure accurate calculations.

learn more about   cells  here:

https://brainly.com/question/30046049

#SPJ11

Other Questions
tom o'brien has a 2-stock portfolio with a total value of $100,000. $65,000 is invested in stock a with a beta of 0.75 and the remainder is invested in stock b with a beta of 1.42. what is his portfolio's beta? do not round your intermediate calculations. round your final answer to 2 decimal places. a. 0.98 b. 0.94 c. 0.90 d. 0.88 e. 1.15 What did the bobo doll study emphasize the importance of? which electron configuration belongs to the atom with the most negative (and largest magnitude) electron affinity? A plane has an airspeed of 142 m/s. A 56.0 m/s wind is blowing southward at the same time as the plane is flying. If the velocity of the plane relative to the ground is directly eastward, what is the magnitude of that velocity? How many moles of iron (III) sulfide are produced from the reaction of 449 grams of iron (III) bromide? . Using a standard reduction table, find the cell potential of the following cell:2 Ag+ (aq) + Sn (s) ==> Sn2+ (aq) + 2 Ag (aq) a 3.4-a current is flowing in a 22-h inductor. a switch opens, interrupting the current in 1.0 ms . part a find the induced emf in the inductor. people who are not consciously prejudiced may continue to respond emotionally to members of other ethnic groups, which may reflect lingering stereotypes and prejudices learned in childhood.question 15 options:truefalse aliya is the marketing manager at jumpyink. the strategic tool jumpyink uses forces her to make judgments about the company's performance based on market attractiveness and business strength. which tool does aliya use? a. porter strategies b. bcg matrix c. ansoff's product-market growth matrix d. general electric model true 0r faalse an individual with a health savings account must be covered by a health deductible health plan with a minimum annual deductible and no out of pocket maximum. Write the definition of a function minMax that has five parameters . The first three parameters are integers . The last two are set by the function to the largest and smallest of the values of the first three parameters . The function does not return a value .The function can be used as follows:int a=31, b=5, c=19 big, small;minMax(a,b,c,&big,&small);/ big is now 31 // small is now 5 / an interior designer enters into a contract to design the interiors of a house under construction. after a few months, the interior designer is discharged from the responsibility of designing the house because the raw materials required for the interior design are no longer being supplied by any of the manufacturers. this is an example of discharge from performance due to Which of these statements about the na -k atpase is false? a. its hydrolysis of atp results in the pumping of 3 na out of the cell and 2 k into the cell. b. it only hydrolyzes atp when both na and k are present. c. it is a facilitator of transport that allows both k and na ions to travel up a concentration gradient. d. it carries out symport of both na and k from the inside to the outside of the cell. e. it pumps na ions up a concentration gradient. a programmer notices the following two procedures in a library. the procedures do similar, but not identical, things. one of the principle differences between a routine induction and a rapid sequence induction is that in a rapid sequence inductionT/F A 3. 0 kg solid sphere (radius = 0. 15 m ) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0. 65 m high and 5. 7 m long. Part A Part complete When the sphere reaches the bottom of the ramp, what is its total kinetic energy? Express your answer using two significant figures. K = 19 J Previous Answers Correct Part B When the sphere reaches the bottom of the ramp, what is its rotational kinetic energy? Express your answer using two significant figures. When the sphere reaches the bottom of the ramp, what is its translational kinetic energy?Express your answer using two significant figures in the laboratory you dissolve 17.2 g of iron(ii) nitrate in a volumetric flask and add water to a total volume of 250 ml. what is the molarity of the solution? m. what is the concentration of the iron(ii) cation? m. what is the concentration of the nitrate anion? m. Why is ether solvent needed for grignard lab? (grignard lab) While alison identifies as heterosexual, she is active in providing support and raising public awareness for people in lgbtq community. alison is? which of the following activities occurs prior to the formal start of a criminal trial? question 30 options: deliberations rebuttal jury instructions discovery