Answer:
Explanation:
The type of rule that prevents the creation of orphan records is an integrity constraint. An integrity constraint is a rule that ensures data consistency and accuracy in a database by enforcing certain conditions on data values. For example, a foreign key constraint is a type of integrity constraint that ensures that a record in one table that refers to a record in another table must have a corresponding record in the referenced table. This helps to prevent the creation of orphan records, which are records in a table that have no corresponding records in related tables.
The type of rule that prevents the creation of orphaned records is an integrity constraint.
Integrity constraints are used to ensure that the data in a database is accurate and consistent. One type of integrity constraint is the referential integrity constraint, which is used to prevent the creation of orphan records. An orphan record is a record that does not have a corresponding parent record in another table.
For example, if you have a student table and a class table, and each student record includes a class ID, an integrity constraint will prevent you from creating a student record with a class ID that does not exist in the class table. This ensures that there are no "orphan" records in the database.
In conclusion, an integrity constraint is the type of rule that prevents the creation of orphaned records.
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what happens (on windows) if you run get-service | export-csv services .csv | out-file from the console? why does that happen?
Both Export-CliXML and Export-CSV alter the system because they have the ability to create and replace files. They would be prevented from replacing an existing by the parameter.
The meaning of CSV exportCSV is a file format that holds tabular data in plain-text and is most frequently regarded as an acronym for "comma-separated values" (though it can also refer to "character-separated values" because the separator character need not be a comma).
What is the PowerShell command to export data to CSV?Use the PowerShell Export-CSV cmdlet to receive the output in a CSV file. The format is as follows: Data object> | Export-CSV [-Path] string>. The Export-CSV command will get the Data object's output and save it as a CSV file at the Path.
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is it possible to practice servant leadership in a computer-mediated environment (e.g., in a virtual team)?
Teams may work together and produce outcomes, though, when a virtual leader uses an effective leadership style like participatory, transformative, situational, and servant leadership.
Authoritarian and laissez-faire leadership philosophies could be detrimental in remote environments. As team contact occurs mostly online and through virtual platforms rather than in person, virtual leaders must adopt a different management style than those who lead in an office. So, compared to leaders in an office environment, virtual leaders require a different skill set. Teams may work together and produce outcomes, though, when a virtual leader uses an effective leadership style like participatory, transformative, situational, and servant leadership.
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write a function f(n) to calculate the number of ways of representing $n$ as a sum of 1, 2, and 5, where the order of summands is important. for example:
Calculate the number of ways of representing $n$ as a sum of 1, 2, and 5, can be represented as Fibonacci Series ,this pattern is observed using fibonacci series .
Input : N = 3
Output : 3
3 can be represented as (1+1+1), (2+1), (1+2).
Input : N = 5
Output : 8
For N = 1, answer is 1.
For N = 2. (1 + 1), (2), 2 is the answer.
For N = 3. (1 + 1 + 1), (2 + 1), (1 + 2), answer is 3.
For N = 4. (1 + 1 + 1 + 1), (2 + 1 + 1), (1 + 2 + 1), (1 + 1 + 2), (2 + 2) answer is 5.
To obtain the sum of N number of terms , we can add 1 to N – 1. Also, we can add 2 to N – 2. And of only 1 and 2 are allowed to make the sum N as by the rule of fibonacci series. So, to obtain sum N using 1s and 2s, total ways are: number of ways to obtain (N – 1) + number of ways to obtain (N – 2)., so as by fibonacci series .
Divide the problem into sub-problems for solving it. Let P[n] be the number of ways to write N as the sum of 1, 3, and 4 numbers. Consider one possible solution with n = x1 + x2 + x3 + … xn. If the last number is 1, then sum of the remaining numbers is n-1 in the full series. So according to the sequence the number that ends with 1 is equal to P[n-1]. Taking all the other cases of series into account where the last number is 3 and 4.
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by recording all transactions across business network among participants, what aspect of blockchain creates the system of record?
The distributed ledger technology (DLT) used in blockchain creates the system of record by allowing all participants to have a shared and consistent view of the data that is recorded on the blockchain.
What is Blockchain?
Blockchain is an innovative technology that enables secure digital transaction without the need of a third-party. It is a decentralized, distributed digital ledger that records transactions across many computers around the world. It is secure and immutable, meaning that the data stored on the Blockchain cannot be altered or deleted. It is also designed to be open, transparent and auditable, allowing anyone to track the transactions.
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Which code shows the correct version of the loop shown below?
It should print all the numbers in list a.
Answer:
The second program code segment must show the data in the same list being used ... loop, the function terminates by returning the number of correct answers.
Explanation:
The second program code segment must show the data in the same list being used ... loop, the function terminates by returning the number of correct answers.
When you can change the internal model without affecting the conceptual model, you have ________.
a. conceptual separation
b. physical independence
c. structural distinction
d. logical independence
The correct answer is d. logical independence.
Logical independence refers to the ability to make changes to the internal model without affecting the conceptual model. This is an important concept in database design, as it allows for flexibility and adaptability in the design and implementation of a database.
In contrast, conceptual separation (a) refers to the separation of different conceptual models within a system, physical independence (b) refers to the ability to make changes to the physical structure of a database without affecting the logical structure, and structural distinction (c) refers to the separation of different structural elements within a system.
Therefore, the correct answer to the question "When you can change the internal model without affecting the conceptual model, you have ________" is d. logical independence.
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i want to have a function in javascript that runs when the user hovers over an element on my webpage. what should i to learn more about this?
To create a function in JavaScript that runs when the user hovers over an element, you will need to learn about event handlers, specifically the onmouseover event.
To create a function in JavaScript that runs when the user hovers over an element on a webpage, you will need to learn about event handlers in JavaScript. Specifically, you should learn about the onmouseover event, which is triggered when the user moves the mouse pointer over an element on the webpage.
There are several resources available to learn about event handlers in JavaScript, including the Mozilla Developer Network (MDN) documentation, W3Schools tutorials, and various online courses and tutorials. To get started, you can search for "JavaScript event handlers" or "JavaScript onmouseover event" and explore some of the resources that come up.
Learning about event handlers involves understanding how to attach a JavaScript function to a specific event on an HTML element, such as hovering over the element with the mouse.
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suppose no lines/queues are permitted anywhere in the process (i.e., blocking can occur). if task b routes students to the first available task (c or d), what is the actual throughput for the entire sequence (i.e., at what rate will students exit task e, in students per minute)?
Without lines/queues, the throughput of the entire sequence will be determined by the bottleneck task with the slowest processing time.
In this case, task E has the longest processing time of 4 minutes, so the maximum throughput of the system is limited by the rate at which Task E can process students. If Task B routes students to the first available task (C or D), it does not affect the processing time of Task E. Therefore, the actual throughput for the entire sequence would still be limited by the slowest task, which is Task E with a processing time of 4 minutes. This means that the rate at which students exit Task E will be 15 students per hour or 0.25 students per minute (assuming there are no other factors that could further impact the throughput of the system). Without lines/queues, the throughput of the entire sequence will be determined by the bottleneck task with the slowest processing time.
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when it is one of the fastest computers in the world at the time of its construction, a computer can be categorized as a(n) .
When a computer is one of the fastest in the world at the time of its construction, it can be categorized as a supercomputer.
A supercomputer is a type of high-performance computer that is designed to perform highly complex computations at extremely fast speeds. Supercomputers are typically used for scientific and engineering applications that require massive amounts of data processing and analysis, such as climate modeling, physics simulations, and drug discovery. These machines are typically composed of thousands of processors, and are capable of performing trillions of calculations per second. Supercomputers are typically custom-built, and are among the most expensive and sophisticated computing systems in the world. When a computer is one of the fastest in the world at the time of its construction, it can be categorized as a supercomputer.
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which of the following are generally specified by a protocol? select all that apply. indicate important network devices. actions taken on message transmission/reception events. precise rate of message transmission. format of a message. circuit switching. order of exchange of messages.
-Actions taken on message transmission/reception events, Format of a message and Order of exchange of messages are generally specified by a protocol.
Option B, D and F are correct.
Transmission: What is it?A computer program called Transmission is made to move data from one computer to another. It is a cross-platform, open-source BitTorrent client made to make file sharing over the internet easier.
It supports peer exchange, encryption, proxy support, and web seed support and is available for Windows, Linux, and Mac OS X. Users can search for and download torrents directly from the program thanks to its support of Magnet URIs. It also supports the scripting language Lua, which lets users automate tasks and customize their experience.
Question incomplete:which of the following are generally specified by a protocol? select all that apply.
A. indicate important network devices.
B. actions taken on message transmission/reception events.
C. precise rate of message transmission.
D. format of a message.
E. circuit switching
.F.order of exchange of messages.
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a graphical method that can be used to show both the rank order and shape of a data set simultaneously is a
The rank order and form of the data distribution are both displayed using a stem-and-leaf diagram.
Which of the following graphical methods is used to present and contrast two variables among the possible answers?This sort of visual representation of data is called a scatterplot. A scatterplot shows how two numerical variables measured for the same persons are related to one another.
Which kind of graphical display would be most useful for comparing different data sets to one another?Bar graphs can be used to compare information between groups or to track changes over time. Bar graphs are especially beneficial when there are considerable changes or when comparing one group to other groups.
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Which area of the Resource Monitor is used to monitor disk performance and determine whether the disk subsystem is a bottleneck?
a.Disk
b.CPU
c.Memory
d.Network
The area of the Resource Monitor used to monitor disk performance and determine whether the disk subsystem is a bottleneck is:
Option a. Disk
The Resource Monitor is a tool that provides detailed information about the hardware and software components of a computer. One of its main functions is to monitor disk performance and determine whether the disk subsystem is a bottleneck. The Disk area of the Resource Monitor provides information about the disk activity, including the read and write speeds, as well as the amount of data being transferred. This information can help identify any issues with the disk subsystem and determine whether it is a bottleneck, which can affect the overall performance of the computer.
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what allows for the execution of code in the ethereum blockchain, while enhancing the basic value transfer capability of the bitcoin blockchain?
Together with getter and setter functions, Solidity also has data, methods or functions with modifiers.
As it was developed as a substitute for fiat money, bitcoin aims to serve as both a medium of exchange and a store of wealth. With the help of a global virtual machine, Ethereum was designed as a platform to support immutable, programmatic contracts and applications. Decentralization is made possible by blockchain technology by allowing members of a dispersed network to participate. No single point of failure exists, and a single user cannot alter the transaction record. The SHA-256 hash algorithm powers Bitcoin. The Keccak-256 hash algorithm is used by Ethereum. The Bitcoin network uses Proof-of-Work (PoW) as its consensus algorithm. Ethereum uses the Proof-of-Stake consensus algorithm.
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Anyone know how I can fix my code so that it is the same as the example shown on the left side? (I am using Python)
Below is a description of how to modify the code so that it resembles the example on the left.
What is Python and why it is used?Below is a description of how to change the code to match the example on the left. Python is a popular programming language for computers that is used to create software and websites, automate processes, and analyze data. Python is a general-purpose language, which means that it may be used to make a wide range of programs and isn't tailored for any particular issues. The object-oriented, dynamically semantic, interpreted programming language known as Python was developed by Guido van Rossum. In 1991, it first became available. Python is a pun on the British comic group Monty Python, and it is intended to be both straightforward and funny.
Which language is Python?The object-oriented, interpretive programming language Python is interactive. Classes, dynamic data types at a very high level, exceptions, modules, and dynamic typing are all included. In addition to object-oriented programming, it also supports functional and procedural programming.
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a company wants to transmit data over the telephone, but is concerned that its phones could be tapped. all of the data are transmitted as four-digit integers. the company has asked you to write a program that encrypts the data so that it can be transmitted more securely. your program should read a four-digit integer and encrypt it as follows: replace each digit by (the sum of that digit plus 7) modulus 10. then, swap the first digit with the third, swap the second digit with the fourth and print the encrypted integer. your main duty for this assignment is creating an encrypt class which includes encrypt.h and encrypt.cpp. after finishing the task you can use cisp400v10a2.cpp to test the encrypt class. the following is the encrypt class specification. 1. the encrypt class has an integer private data member 8 element array named digits. the first four elements (0 ~ 3) are to store the original 4 digits integer and the next four (4 ~ 7) are to store the encrypted data. 2. encrypt class has several public member functions a. an encrypt constructor takes an integer of any digits and stores the last four digits. it encrypts the last four digits, stores the encrypted information, displays a call to the constructor information, and shows the original information and encrypted information. if the inputted number is less than or equal to 0 the integer is set to 9436. b. a displayoriginaldata function does not accept and return any data. it displays the first four elements of the private data member. page 3 of 6 cisp400v10a2 3 c. a storedata function takes an integer and does not return anything. it stores the last four digits of the passed in integer to the first 4 elements of the private data member, encrypts the data and store them in the last 4 elements of the private data member. d. a displayencrypteddata function does not accept and return any data. it displays the last four elements of the private data member.
The Encrypt class is a class that is used to encrypt data that is transmitted over the telephone. The class has an integer private data member which is an 8-element array named digits.
What is encrypt data?Encrypting data is a process of transforming plain text data into a form that is unreadable to anyone except the intended recipient. It is used to protect the confidentiality of data and to ensure that it is only available to those who are authorized to access it.
The first four elements (0-3) are used to store the original four-digit integer, and the next four (4-7) are used to store the encrypted data.
The Encrypt class has several public member functions. The first is an encrypt constructor which takes an integer of any digits and stores the last four digits. It then encrypts the last four digits, stores the encrypted information, displays a call to the constructor information, and shows the original information and encrypted information. If the inputted number is less than or equal to 0, the integer is set to 9436.
The next public member function is the displayOriginalData function which does not accept and return any data. It simply displays the first four elements of the private data member.
The third public member function is the storeData function which takes an integer and does not return anything. It stores the last four digits of the passed in integer to the first 4 elements of the private data member, encrypts the data and stores them in the last 4 elements of the.
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in a three-tier database architecture, what tier is used to model data?
The middle/application tier is used to model data in a three-tier database architecture.
In a three-tier database architecture, the middle tier, also known as the application tier, is typically used to model data.
The three tiers in a database architecture are:
Presentation tier: This tier is responsible for presenting data to the user and receiving input from the user. It includes user interfaces such as web browsers, mobile apps, or desktop applications.Application tier: This tier contains the business logic and processing logic for the application. It handles requests from the presentation tier, processes the requests, and sends them to the data tier. The application tier is where the data modeling occurs, with entities and relationships defined in code.Data tier: This tier stores and retrieves data from the database. It is responsible for managing the data storage and ensuring data consistency and integrity.The middle tier is where the application logic resides, including the data modeling code. The application tier interacts with the data tier to retrieve, modify, and store data as needed. Data modeling in this tier involves defining classes, attributes, relationships, and constraints that map to the database schema in the data tier.
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Cameras transfer aspects of space to viewers. What is this process called?A. mediation
B. retain
C. light
D. movement
The process of transferring aspects of space to viewers through cameras is called mediation.
Mediation refers to the act of conveying or transmitting information from one source to another. In the case of cameras, they act as a mediator between the physical space and the viewer, capturing visual information and transmitting it to the viewer through various forms such as digital images or video recordings. This process of mediation allows the viewer to experience aspects of the physical space that they may not have been able to access otherwise. Mediation is a fundamental aspect of visual communication and plays a significant role in how we perceive and understand the world around us.To know more about camera visit:
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Write in Python
Write a loop that counts the number of space characters that appears in the string referenced as mystring.
Answer:
# create function that
# return space count
def check_space(string):
# counter
count = 0
# loop for search each index
for i in range(0, len(string)):
# Check each char
# is blank or not
if string[i] == " ":
count += 1
return count
# driver node
string = "Welcome to geeksforgeeks"
# call the function and display
print("number of spaces ",check_space(string))
Explanation:
Error: 'Flow': member names cannot be the same as their enclosing type
Why? How can I resolve this?
This error occurs when you attempt to declare a member of a class or type with the same name as the class or type. This is not allowed in the Flow type system because it can cause confusion and ambiguity.
What is Declare?
Declare is a programming language designed to provide a simple, unified, and powerful way of creating executable software. It is an object-oriented language which was designed to be highly readable and easy to use. Declare is based on the ideas of object-oriented programming, which uses objects and classes to organize code and provide structure to software projects. It also includes features such as type checking, data structures, and functions which makes it a powerful language for writing complex applications.
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touch-screen devices usually feature ______ keyboards.
touch-screen devices usually feature Virtual keyboards. Virtual keyboards are common on touch-screen devices. Virtual keyboards are software-based input devices that appear on a touch screen .
and allow users to enter text. by tapping on the on-screen keys. A virtual keyboard's keys may be laid out similarly to a physical keyboard, but they can also be changed to meet the needs of the device or the user. Virtual keyboards may be found on a variety of touch-screen devices, including smartphones, tablets, touch-screen computers, and interactive kiosks. Virtual keyboards are common on touch-screen devices. Virtual keyboards are software-based input devices that appear on a touch screen and allow users to enter text. They've grown in popularity as more people utilize touch-screen gadgets for business, communication, and leisure.
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consider the following code segment. int count = 0; int number = 10; while (number > 0) { number = number / 2; count ; } what will be the value of count after executing the code segment?
The value of count after executing the code segment will be 4.
Here is a step-by-step explanation of how the code segment works:
1. The code starts with initializing two variables, count and number, with the values of 0 and 10 respectively.
2. The while loop begins, and the condition is that the loop will continue as long as the number is greater than 0.
3. In the first iteration, the number is divided by 2, which results in 5. The count variable is then incremented by 1.
4. In the second iteration, the number is again divided by 2, which results in 2.5. However, since the number variable is an int, the value is rounded down to 2. The count variable is again incremented by 1.
5. In the third iteration, the number is divided by 2, which results in 1. The count variable is again incremented by 1.
6. In the fourth iteration, the number is divided by 2, which results in 0.5. However, since the number variable is an int, the value is rounded down to 0. The count variable is again incremented by 1.
7. The while loop condition is now false, as the number is no longer greater than 0. The loop ends, and the final value of count is 4.
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it takes 1 second of transmission delay to send a packet over a link. how many seconds does it take to transmit 100 packets over three hops? assume that all links have the same bandwidth and that all packets are the same size. ignore all other delays.
To transmit 100 packets over three hops, each packet must be transmitted over each of the three links, for a total of 3 transmissions per packet.
How to calculate transmissions of packets?
There is a 1 second transmission delay for each link, for a total of 3 seconds of delay per packet.
Therefore, the total time to transmit 100 packets over three hops can be calculated as follows:
Total time = (number of packets) x (number of transmissions per packet) x (delay per transmission)
Total time = 100 x 3 x 1
Total time = 300 seconds
So, it would take 300 seconds to transmit 100 packets over three hops, assuming all links have the same bandwidth and all packets are the same size, and ignoring all other delays.
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from summer 2016 to winter 2017, what challenges did dell-limerick software developers encounter in learning about pilot-testing flow techniques?
Pilot testing aims to find and fix any potential problems that might emerge during the actual implementation. specifically pilot testing software flow methods.
What is the purpose of pilot testing?A small-scale study intended to test and improve methods that is carried out before a larger experiment. Examples: determining whether the intended tool is functional. requesting survey responses to determine whether a question yields the desired information.
What is the pilot plant's guiding principle?A pilot plant is a pre-commercial production system that uses new production technology and/or generates small quantities of products based on new technology, mostly for the aim of understanding the new technology.
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The ____ interfaces is the portion of the application that allows you to control and interact with the program.
A user interface is the portion of the application that allows the user to control and to interact with the program.
How does a user interact with the application through the interface?In a device, the point of interaction and communication between humans and computers is the user interface (UI). Display screens, keyboards, a mouse, and the appearance of a desktop are all examples of this. It also refers to how a user interacts with a website or application.
What is the OS's user interface?The part of an operating system, program, or device that lets a user enter and receive information is known as the user interface (UI). A text-based user interface, as shown in the image to the left, displays text and typically requires keyboard input to execute its commands.
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a multiple listing service is a good source for data when researching a subject property. what information will you find there?
When investigating a subject property, the mls is a reliable source of information because it contains the previous sales price.
What are the top three categories for listings?There are three different kinds of real estate listings utilised in commercial real estate to find a buyer for a property. An Exclusive Agency Listing, an Exclusive Right to Sell, and an Open Listing.
What is a platform for multiple listings?To assist their clients in buying and selling real estate, real estate professionals develop, maintain, and pay for proprietary databases known as MLSs. The majority of the time, participating brokers offer the public free access to data from MLS listings.
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jim wants to develop an app for a specific purpose that would run even when his computer is not connected to the internet. what type of app should he
Native app development is the creation of a programme for a particular use that would continue to function even if the user's machine was not online.
What is the name of the programme that several users in an organisation use simultaneously?Application software called collaborative software or groupware is created to assist people collaborating on a shared project in achieving their objectives.
What kind of software is intended to assist the user in carrying out a single or a number of related tasks?Application software, usually referred to as an app or an application, is computer software created to assist the user in carrying out particular tasks. Business software, accounting software, office suites, graphics software, and media players are a few examples. Several application packages focus mostly on documents.
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If a and b are four-bit unsigned binary numbers 0111 and 1011, complete the table (on the following page) obtained when using a full adder (from figure 3. 15 in your textbook) to calculate each bit of the sum, s, of a and b. Check your answers by adding the decimal value of a and b and comparing the sum with s. Are the answers the same? why or why not?
The decimal values of a and b are 7 and 11, respectively. The sum of a and b is 18, which is equivalent to the binary value of 10010. The sum obtained by the full adder is 10010 as well.
The full adder circuit takes three binary inputs, which are two bits of numbers to be added and the carry-in value, and outputs a sum and a carry-out value.
The table below shows the result of adding 0111 and 1011 using a full adder.
a b c_in s c_out
0 1 0 1 0
1 1 1 1 1
1 0 1 0 1
0 1 1 0 1
The decimal values of a and b are 7 and 11, respectively. The sum of a and b is 18, which is equivalent to the binary value of 10010. The sum obtained by the full adder is 10010 as well. Thus, the answers are the same. The full adder circuit is an essential building block in digital circuits, and it is used in many applications, such as arithmetic logic units, microprocessors, and digital signal processing. The full adder provides an efficient and reliable method to perform addition in binary arithmetic.
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Which method is the most common way to select multiple cells?a. Double-click
b. Click & Drag method
c. cut & paste
Most common way to select multiple cells is click & Drag method, clicking and dragging is the method most frequently used to pick numerous cells.
To select a range of a cell firstly select a cell, then while pressing the left mouse button , drag it over the other cells. Or use the shortcut key Shift + arrow keys to select the range. And the way to select non-adjacent cells and cell ranges is to hold Ctrl and select the cells.
To select multiple cells is the one quickest way is to click and drag. to select a cell you need to click on a cell and then drag it over the spreadsheet. Press on a cell.
Move cells by drag and dropping
To move or copy the any cell you need to select the cell or the range of cell.Point to the border of the selection.When the pointer becomes a move pointer. , drag the cell or range of cells to another location.To select a range of cells without dragging the mouse, select the range of cells by using the shift key. First, select the range of cells by left-clicking on the first cell and then selecting the last cell while holding down the shift key.
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sort the following list of video extensions using selection sort: mpg, mp4, mov, mkv, m4v. what is the order of the elements after the second swap?
After the second swap in a selection sort of the list of video extensions "mpg, mp4, mov, mkv, m4v", the order of the element is "m4v, mkv, mov, mp4, mpg".
Here are the steps to sort the list of video extensions using selection sort:
Starting at the first element, compare it with each element in the list to find the minimum value.Swap the minimum value with the first element.To sort the full list, repeat steps 1 and 2 for the final unsorted section of the list.Using this algorithm, we can sort the list of video extensions in the following way:
mpg, mp4, mov, mkv, m4v (original list)m4v, mp4, mov, mkv, mpg (after the first swap)m4v, mkv, mov, mp4, mpg (after the second swap)Therefore, the order of the elements after the second swap is m4v, mkv, mov, mp4, mpg.
In a selection sort, the algorithm repeatedly finds the smallest remaining element in the unsorted portion of the list and swaps it with the leftmost unsorted element, until the entire list is sorted in ascending order.
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Which group in the Timeline Tools contextual tab would help you alter the color of a timeline?
O Arrange
O Styles
O Size
O Show
The group in the Timeline Tools contextual tab that would help you alter the color of a timeline is the "Styles" group.
What is the Styles group?The Styles group contains various formatting options that allow you to customize the appearance of your timeline, including the font, color, and border styles.
To change the color of your timeline, you can use the "Color" option in the Styles group, which lets you choose from a range of predefined colors or create your own custom color using the color picker tool.
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Answer:
B. Styles
Explanation:
