Answer: In a multiprogrammed system, the CPU is always able to share its time between the various programs and the different peripheral devices that need your attention, requiring a mechanism that allows the CPU to change between one software and another without problems.
The interruption mechanism was the basis for the implementation of the schematic parallelism between CPU and different software. For this reason, we can say that if a user reports that the computer monitor does not allow him to switch between Microsoft Word and Internet Explorer. This points to a possible problem with the interrupt mechanism.
____ increase network performance by reducing the number of frames transmitted to the rest of the network
Switches increase network performance by reducing the number of frames transmitted to the rest of the network.
Switches are an integral part of networks assigned the role to serve as the means to share information among different devices.
Switches perform their function by supervising and controlling the flow of data to the intended devices thus preventing the undesired flow of data to all the devices in a network which improves the performance of the network. Switches can also play a role to prevent errors as it checks the data prior to transmitting the data forward.
Switches determine the devices to which the data packets are to be sent by using their media access control (MAC) address. All hardware units connected to a system have their unique MAC address. Switches identify the MAC address of the device that sends the frames and then interpret the MAC address of the target device thus preventing the frames to pass towards the rest of the network.
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The purpose of a ________ in computer forensics is to detect and recover data that has been concealed on a computer system.
Answer: Hidden Data Analysis System
Explanation:
When a user interface is created in the window editor, the ide automatically generates the ________ needed to display each component in the window.
When a user interface is created in the window editor, the ide automatically causes the Graphical User Interface (GUI) required to show each element in the window.
What is the user interface explain?The user interface (UI) of a device is the point of interaction and communication between humans and computers . Desktop monitors, keyboards, mice, and other pointing devices may fall under this category. It also describes how a user interacts with a website or program. The interface of an object describes its capabilities. For instance, you don't care how a light switch turns on; all that counts is that it does so. An interface is an index of all the rates that an entity in object-oriented programming must include to be an "X." An interface is declared with the interface keyword. Total abstract is provided; all methods in an interface are declared with an empty body, and all fields are by default public, static, and final. All of the methods declared in an interface must be implemented by a class that implements the interface.To learn more about user interface, refer to:
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What type of system can withstand some measure of degradation while remaining available?
a. login server
b. aws lambda
c. high available
d. application server
e. amazon organizations
High available system can withstand some measure of degradation while remaining available.
An IT system, component, or application can function at a high level continuously, without interruption, for a specific amount of time, if it has high availability. Infrastructure designed for high availability is set up to provide reliable service while managing a variety of loads and breakdowns with little to no downtime.
High availability server clusters are collections of servers that provide backing for programmes or services that must function dependably with little downtime.
For instance, data centres and hospitals must have highly available systems with minimal unplanned downtime in order to carry out everyday operations. Unplanned downtime may be caused by hardware or software issues, as well as unfavourable environmental factors like flooding, power outages, or temperature changes.
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Question # 5 Multiple Choice What benefit do internal networked e-mail systems provide over Internet-based systems? Responses They allow files to be shared by sending attachments. They allow files to be shared by sending attachments. They enable the transmission of videos. They enable the transmission of videos. They provide increased security. They provide increased security. They allow e-mail to be sent to coworkers. They allow e-mail to be sent to coworkers.
The benefit that internal networked e-mail systems provide over Internet-based systems is that they provides increased security.
What is Networked email system?The term networking emails are emails you send to forge new connections or strengthen ones you already have. There are numerous scenarios that can be covered in networking emails.
You might be emailing someone you only know online who is a complete stranger. Additionally, networking computers can help you increase communication so that employees, suppliers, and consumers can more easily exchange information.
Therefore, The benefit that internal networked e-mail systems provide over Internet-based systems is that they provides increased security.
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A penetration tester is attempting to scan an internal corporate network from the internet without alerting the border sensor. which is the most efficient technique should the tester consider using?
The most efficient technique the tester should using is tunneling scan over SSH. This question is part of Secure Shell or SHH.
A cryptographic network protocol called Secure Shell (SSH) is used to operate network services over insecure networks safely. Remote login and command-line execution are two of its most noteworthy applications. Client-server architecture is the foundation of SSH applications, which link an SSH client instance with an SSH server.
There are three common use cases for SSH tunnels, such as:
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3. Nowadays, many people regard photography as an art form, but it is also an invention. Explain and evaluate photography as an invention rather than an art form exploring things such as how it was invented, when, what was involved, who was involved, and anything else that pertains to the creation of photography.
The explanation and evaluation of photography as an invention rather than an art form is given below.
The use of photography is one that was created without the use of a camera, by a British inventor Fox Talbot who was known to have created his first effective photographs in 1834 by the act of placing items on paper that had been painted with the use of a light-sensitive silver chloride as well as being exposed of them to sunshine.
What was the motivation behind the development of photography?In the 1830s and 1840s, the first photographic processes were said to have been developed. The development of photography will be one that is forever alter Western society as well as communication.
For the first time, pictures of "actual" life could be distributed all over the world and preserved for posterity.
Therefore, The use of photography is one that was created without the use of a camera, by a British inventor Fox Talbot who was known to have created his first effective photographs in 1834 by the act of placing items on paper that had been painted with the use of a light-sensitive silver chloride as well as being exposed of them to sunshine.
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You create a new microflow from within the properties window of a button. your new microflow has a parameter with an object. what does this mean?
A parameter is a certain kind of variable that is utilized as an intake for the microflow.
What is microflow?Fluid passing through a microscale device is referred to as a microflow (plural: microflows). Nanoflows are another Mendix concept used for offline apps that run in the Mendix client. Microflows give us the ability to communicate the application's logic. A microflow can show pages, make decisions, and conduct actions such as creating, updating and removing items. The microflow actions are recorded using microflow expressions. Microflow expressions are used to specify a database query. Microflow expressions are used to modify, verify, and extract information from the values that are already there. Microflow consists of three parts: Activity, Exclusive split, and Parameter.To learn more about parameter, refer to:
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More than 80% of all computer viruses are caused by macro viruses. What programs are most likely affected by a macro virus?.
The programs most likely affected by a macro virus are Microsoft word and Microsoft excel.
The property that allows the macro virus, which is a frequent computer virus, to taint programs such as word and excel is that they are written in a command language identical to that used for word and excel.
This type of virus usually spreads when the attacker sends an email containing malicious content and the person under threat clicks on the link resulting in the expansion of the virus in the computer.
This type of virus once entered into the computer has the ability to delete all the contents of the storage devices, or corrupt the data. It also has the ability to modify Microsoft word or excel documents or create new files without the person knowing about it and can also get a hold of the email accounts.
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A rectangular array of numbers, arranged in rows and columns and placed in brackets, is called a/an?
A matrices is a set of integers in a rectangle, arranged in columns and rows and enclosed in brackets. The sizes of matrices vary. There are m rows and n columns in a, m, n matrix.
Many areas of mathematics naturally use matrices. They are especially helpful in cross-classification scenarios since the array format enables us to list all alternatives succinctly. In reality, we have already calculated conditional probabilities using arrays or tables similar to these. Additionally, game theory will find utility for this in particular.
The arithmetic properties of matrices are the same as those of regular numbers. For matrices, we can define an addition and a multiplication. There will be compatibility limitations on the sizes of the matrices used in both of these binary operations.
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How is a laser printer calibration commonly performed? through the printer menu with a multimeter with a special tool provided in the maintenance kit with calipers
A laser printer calibration commonly performed through the printer menu. The correct option is A.
What is laser printer calibration?The inkjet cartridge nozzles and printer paper are properly aligned when a printer is calibrated. This process ensures that the colors remain rich and clear, and that the finished product is of the highest quality.
Printer calibration allows you to monitor "device drift." Even if you use the same consumables (ink, toner, paper) on a regular basis, your printer will suffer from device drift over time.
A laser printer calibration is typically performed via the printer menu.
Thus, the correct option is A.
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50 POINTS PLEASE HELP ASAP
What did Mario and Sonic have in common? (select all that apply)
A. Sense of style
B. Started out in platformer type games
C. Created to increase brand appeal
D. Color scheme
B. Bro I’m as fast a sonic lol
Have a great day
Answer:
B.
Explanation:
Mario has appeared in over 200 video games since his creation. Depicted as a short, pudgy, Italian plumber who resides in the Mushroom Kingdom, his adventures generally center on rescuing Princess Peach from the Koopa villain Bowser. Mario has access to a variety of power-ups that give him different abilities.
Sonic the Hedgehog is a 2D side-scrolling platform video game. The only playable character here is Sonic the Hedgehog. The main goal of the game is to get through a series of Acts for different Zones in less than ten minutes.
Which keyboard shortcut should be used if a user wants to cut an item and place it on the clipboard?.
Which of the following is technically NOT a programming language?
HTML
Java
JavaScript
C++
Answer:
HTML ⠀⠀⠀ ⠀⠀⠀ ⠀⠀⠀ ⠀⠀⠀
Answer:
A) HTML is not a programming language
Explanation:
Trust
In the early days of virtual reality systems, what type of training applicaiton, developed by the bell helicopter company, used displays connected to a camera to give a satisfactory sense of reality, and ultimately led to the dist head-mounted display?.
The US military has been a major force in creating and implementing new virtual reality (VR) technology since the beginning of VR's history.
The military, along with the entertainment sector, is to blame for the most notable advancements in VR technology. We'll examine how virtual reality is used by the military in this article to learn to fly a jet fighter and put out fires on ships, among other things.
Military applications benefit greatly from virtual environments. When properly created, they offer the user a precise replica of actual occurrences in a secure, monitored setting. It can be quite expensive to receive specialised military training, especially for vehicle pilots.
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Write a program using integers usernum and divinum as input, and output usernum divided by divinum three times.
user_num = int(input())
divi_num = int(input())
for i in range(3):
user_num/= divi_num
print (int(user_num), end=' ')
If we have two inputs 54, 6
Where
usernum = 54
divinum = 3
output will be 18 6 2
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After credentials are cached locally, you can sign in to a computer using a domain user account. by default, how many user sign-ins are cached?
There are 10 user sign-ins are cached. If this computer is used by multiple users and you want all of them to be accessible for cached logon, you might wish to increase this value.
Normally, when you use a domain account to connect on to a Windows member machine, the computer instantly checks your credentials with a domain controller over the network. However, Windows will still let you log on with domain credentials if one is not available, such as while using a laptop while traveling, as long as you had recently done so while the computer was still able to connect to a domain controller.
Using credentials that are cached, this is accomplished. Windows stores a hash of the past 10 successful domain account logons in its cache by default.
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To verify your system meets the requirements to install a program use the ________ window. drive this pc file explorer
To verify your system meets the requirements to install a program use the System Control Panel window. Users can view and alter system settings using a tool called the Control Panel in Microsoft Windows.
System Control Panel comprises of a collection of applets that let you change user accounts, add or remove hardware and software, access networking settings, and change accessibility settings. Third parties also offer additional applets including input devices, networking utilities, VPN tools, audio and video drivers, and more. Since Windows 1.0, the Control Panel has been a feature of Microsoft Windows.
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When you save a file as a template, which types of information do you usually remove?
When we save a file as a template, the type of information that is usually deleted is:
Baseline valuesActual values Resources ratesWhat is a template?A template is a type of document that generates a copy of itself when it is opened, this does not mean that a document is created and a copy is generated exactly the same so that it can be used later and the content does not have to be recreated again.
Now, when we save a file as a template the type of information that is usually removed are the reference values, the current values and last but not least the values, this in order to complete the functions of saving the file as a template.
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Which protocol is used by a device to ensure that an apipa address is not already in use on the network?
ARP protocol is used by a device to ensure that an APIPA address is not already in use on the network.
A local-area network's Address Resolution Protocol (ARP) links a media access control (MAC) address, commonly known as a fixed physical machine address, to an ever-changing Internet Protocol (IP) address (LAN).
One of the most significant protocols of the network layer in the OSI model is the Address Resolution Protocol (ARP), which assists in determining the MAC (Media Access Control) address of the system given the IP address of the system. The primary function of the ARP is to convert the 32-bit IP address (for IPv4) to the 48-bit address, i.e., the MAC address.
Protocol for Address Resolution (ARP) A layer 2 protocol called the Address Resolution Protocol is used to translate MAC addresses into IP addresses.
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What is the primary advantage and the primary disadvantage of using the tag versus ?
The primary advantage are that users can uncover web materials that interest them and discover people who share their interests by browsing particular people and tags, and the primary disadvantage of using the tag versus Depending on how each search engine interprets your search, you can find inappropriate websites.
Advantages:
Tagging reveals the vocabulary of users. Since users are the ones who create the metadata, tagging directly represents their vocabulary.
The advantage of a TMS is that digital marketers may begin vendor campaigns much more quickly, which aids in speedier outcomes optimization. Tag management only offers analytics jobs more control over the tools they're using in today's world, where they're building their own teams.
Disadvantages:
Hard to restrict searchesCoverage on search engines.Restricted privacy Robots meta will lessen the likelihood that people will find a page if it isn't truly intended for the wider audience. It will be off the regular route but not invisible—anyone with the link can still see it.Learn more about tags:
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If you have three junit test methods written in the same testing class and the first one fails its assertions, will he other methods still be executed?
If you have three JUnit test methods written in the same testing class and the first one fails its assertions, will the other methods still be executed? Yes, the other test methods will still be executed.
JUnit is a great tool for unit testing Java code. It is easy to use and provides a lot of flexibility.
If you have three JUnit test methods written in the same testing class and the first one fails its assertions, the other methods will still be executed. This is because JUnit will continue to run the remaining test methods even if one of them fails. So if you have a series of test methods that rely on each other, make sure to write them in such a way that they can still be executed even if one of them fails.
Overall, JUnit is a great tool for unit testing. It's easy to use and provides a lot of flexibility. If you have multiple test methods in a single class, don't worry - all of them will be executed even if one of them fails.
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What is the sandbox detection method known as? select one: rule-based detection signature-based detection check sum detection heuristic detection
The sandbox detection method known as heuristic detection. By looking for suspicious aspects in the code, heuristic analysis is a technique for identifying viruses.
By comparing a program's code to the code of known virus kinds that have already been seen, examined, and stored in a database, or by using signature detection, traditional techniques of virus detection discover malware.
The introduction of new threats, which emerged around the turn of the century and are still emerging today, has made signature detection technology less effective even if it is still in use.
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A technician just installed windows 7 on his computer. which two steps should the technician take next for computer security? (choose two.)
The two steps that should the technician take next for computer security are:
Ensure that the Windows Firewall is enabledInstall and update anti-virus and antispyware programWhat is Windows 7?Windows 7 is a program of the Windows operating system, and it is a programming system of the computer that has many new advancements to run the computer.
The technician is installing Windows 7 to a system. He should take care of that Windows Firewall and antivirus to save the system from viruses.
Thus, the correct options are:
c. Ensure that the Windows Firewall is enabled
d. Install and update antivirus and antispyware program
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The question is incomplete. Your most probably complete question is given below:
a. The workstation is a victim of a denial of service attack.
b. The username is not authenticating on the network.
c. Ensure that the Windows Firewall is enabled
d. Install and update anti-virus and antispyware program
Which example uses syntax that demonstrates a transition to a more detailed answer coming up?
Syntax that demonstrates a transition is that the author is mellow, and he ought never to let anyone down. The new adjustment can be seen as an improvement to life rather than a significant challenge. These are a few instances of syntax used to illustrate the author's ideas.
They explicitly link concepts, phrases, and paragraphs together. Good transitions employ precise language. When referring to a whole notion, try to avoid using pronouns like "this," as it is not always apparent who or what "this" refers to.
A transition is a word or phrase used to connect one idea to another in writing. It is possible for this relationship to occur both within and between paragraphs. Transitions are used to demonstrate how sentences or paragraphs link to one another and to the paper's general idea.
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What is the general term that is used to describe a piece of data at any layer of a networking model?.
PDU (Protocol Data Unit) is the general term that is used to describe a piece of data at any layer of a networking model. A protocol data unit (PDU) is a discrete piece of information that is transmitted among computer network peers in telecommunications.
It is made up of user data and control information specific to the protocol. The layered structures of communication protocol stacks implement protocols that are particular to the kind or style of data exchange being employed.
For instance, the User Datagram Protocol (UDP) employs datagrams as protocol data units for connectionless communication while the Transmission Control Protocol (TCP) implements a connection-oriented transfer mode and refers to its PDU as a segment.
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How does tcp/ip perform address resolution from urls into network layer addresses?
The conversion of application layer addresses into network layer addresses is known as server name resolution. The Domain Name Service is used to do this (DNS). A network of computers known as name servers offers DNS services across the Internet.
Sending data packets back and forth between various networks is how these connections are made at the "network layer" of the Internet communications process. In the seven-layer OSI model, the network layer is layer 3.. One of the primary protocols used at this layer is the Internet Protocol (IP), along with a number of others for routing, testing, and encryption.
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Microsoft sql server, oracle, db2 are examples of:_____.
a. supply chain management systems
b. erp applications
c. rdbms
Oracle, DB2, and Microsoft SQL Server are examples of RDBMS. Therefore, the correct option of this question is (c) i.e. RDBMS.
A software used to store, query, and retrieve data stored in a relational database is referred to as a relational database management system (RDBMS). In RDBMS, data is represented in tables with rows and columns.
The RDBMS handles administrative functions such as managing data access, storage and performance. To perform these administrative services, RDBMS provides an interface between the database, applications and users.
Some features of RDBMS are described below:
RDBMSs are more secure, faster and easier to work with. More than one user can have access to RDBMS at a point of time.RDBMS supports distributed databases.RDBMS can store a vast amount of data.Only the data in the form of tables is managed by RDBMS.Data redundancy is reduced in RDBMS using primary keys and indexes.Thus, Oracle, DB2, and Microsoft sql server are example of RDBMS.
While the other ptions (a) supply chain management and (b) erp applications are not correct because:
Supply chain management is a centralized management process that handles the flow of goods and services, such as movement and storage of raw materials, inventory, finished goods, and delivery of the final product.Enterprise resource planning (ERP) applications refers to software used in organizations to manage day-to-day business operations such as project management, risk management and compliance, procurement, accounting and supply chain operations.You can learn more about relational databases at
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What kind of cybersecurity risks can be minimized by using a virtual private network (vpn)?
a. use of insecure wi-fi networks
b. key-logging
c. de-anonymization by network operators
d. phishing attacks
By deploying a virtual private network, cybersecurity threats from phishing attempts can be reduced (VPN).
What does a VPN mean?An encrypted connection between a device and a network via the Internet is known as a virtual private network or VPN. A virtual private network (VPN) allows users to send and receive data via shared or public networks as though their computing tools were directly linked to the personal network by inventing a private network across the latest. The term "Virtual Private Network," or VPN, refers to the possibility of creating a secure network connection when utilizing public networks. VPNs hide your online individuality and encrypt your internet training. This makes it more challenging for outside parties to monitor your internet activities and steal data.Hence, By deploying a virtual private network, cybersecurity threats from phishing attempts can be reduced (VPN).
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A technician is troubleshooting a 4-year-old computer that takes a long time to boot, and identifies that the bios rediscovers all the hardware at every boot. what action would fix this problem?
To solve the problem, we need to replace the CMOS battery. Complementary metal-oxide semiconductor is abbreviated as CMOS.
Computers have an inbuilt, battery-operated semiconductor chip called Complementary metal-oxide semiconductor (CMOS) that serves as a data storage device. The computer won't be able to keep the right time or date after it has been switched off if the CMOS battery is failing. For instance, you might see the time on your computer has been set to 12:00 and the date has been changed to January 1, 1990 after turning it on. This warning denotes a failing CMOS battery.
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