System software is a collection of computer programs that manages the resources of the computer and facilitates access to those resources.
What is System software?System software is known to be a kind of a computer program that is known to be set up so that they can be able to run a computer's hardware as well as the application programs.
Note that if a person look at the computer system as a kind of layered model, the system software is one that can be referred to as the interface that exist between the hardware and user applications.
The operating system is said to be a good example of system software.
Therefore, System software is a collection of computer programs that manages the resources of the computer and facilitates access to those resources.
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If 200.123.4.6 is a classful internet protocol (ip) address, what class is it in?
200.123.4.6 is a classful internet protocol (ip) address located in class C.
An IP address (internet protocol address) is a numeric representation. This numerical representation uniquely identifies a particular interface on the network.
Address in IPv4 that has a length of 32 bits. This allows a maximum of 4,294,967,296 (232) unique addresses. Addresses in IPv6 are 128-bits long, which allows for 3.4 x 1038 (2128) unique addresses.
The total usable address pools of both versions are subtracted by the various reserved addresses and other considerations.
IP addresses can also be defined as binary numbers but are usually expressed in decimal form (IPv4) or hexadecimal form (IPv6) to make it easier for humans to read and use them.
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Applications that are designed to work on one operating system will also work on another operating system as long as they provide the same apis.
a. true
b. false
Applications that are designed to work on one operating system will also work on another operating system as long as they provide the same APIs. is a false statement.
What is Application Programming Interface?API is known to be a term that connote Application Programming Interface. The word Application in the above term connote any kind of software that is known to be made up of a distinct function.
Therefore, Applications that are designed to work on one operating system will also work on another operating system as long as they provide the same APIs. is a false statement.
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Which layer of the osi reference model handles logical addressing (ip addresses) and routing traffic?
The data link layer of the osi reference model handles logical addressing (ip addresses) and routing traffic.
A model reference is a Model block reference to another model. Model hierarchy is created by these references. The characteristics of each referenced model's defined interface's inputs and outputs are specified.
For instance, an actual outside wall may have dimensions and materials when describing the architecture of a specific house (which is a specific environment of a certain kind), but the idea of a wall (kind of entity) is included in the reference model.
A useful foundation for networking ideas is the OSI reference model. In essence, a sender injects data into a network. The data are supplied to a receiver after being relayed across a communication link. A variety of networking gear and software must collaborate in order to do this.
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Utilities are specialized programs that help the operating system function more efficiently. they are essential for computer maintenance and some come built-in to the operating system. True or false
Utilities are specialized programs that are often built-in in computers to provide support to the operating system to function more efficiently and are crucial for computer maintenance. Thus, the given statement is true.
Utility programs are system software that perform specific functions to maintain proper working of computers in an efficient way. Utility programs optimize computers performance by analyzing and managing tasks and resources of operating systems to handle different situations.
Utility programs are often pre-installed with operating systems as well as a large variety of utility programs are available on the internet for downloading or purchasing that facilitate operating systems in multiple ways.
Certain common tasks of utility programs include installation and uninstallation, virus detection, data backup and restore, deletion of unwanted files, task scheduling, and disk fragmentation.
Some examples of utility programs are disk management tools, backup software, file management tools, compression tools, and antivirus software.
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Social networking technologies can help a company create communities of practice that:_________
Social networking technologies can help a company create communities of practice that: D) link employees to others with similar professional interests throughout the organization.
What is a social network?A social network can be defined as a collection of Internet software applications and websites which are designed and developed so as to avail end users with similar interests, an ability to add, share, and discuss different information, as well as enhance connection, collaboration and debates (discussions) between community members over the Internet such as:
Ti-kT-okInst-agr-amHangoutTwi-tterFace-bookYou-tubeIn this context, we can reasonably infer and logically deduce that social networking technologies can help link employees (staffs) to other employees (staffs) with similar professional interests throughout a business organization.
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Complete Question:
Social networking technologies can help a company create communities of practice that: ________
A) allow employees to develop new workplace skills.
B) give disgruntled employees a forum for venting their frustrations.
C) discourage socializing so that individual employees can get their work done.
D) link employees to others with similar professional interests throughout the organization.
One of the main applications of database and database systems is database marketing. True or false?.
True, One of the main applications of database and database systems is database marketing.
Database marketing is a powerful tool that can help businesses target and track customers more effectively. By collecting and storing customer data, businesses can create targeted marketing campaigns and track the results. Additionally, database systems can help businesses manage customer relationships more efficiently.
Database marketing can be used for a variety of purposes, including customer segmentation, campaign management, and lead generation. By collecting customer data, businesses can more effectively target their marketing efforts.
Additionally, database systems can help businesses track the results of their marketing campaigns. By understanding which marketing strategies are working, businesses can optimize their campaigns and improve their ROI.
Database marketing can be a powerful tool for businesses of all sizes. By collecting and storing customer data, businesses can create targeted marketing campaigns and track the results. Additionally, database systems can help businesses manage customer relationships more efficiently.
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What of the following are examples of cracking an encrypted password?
Choose four correct answers
Social engineering
Spraying
Dictionary attack
Intimidation
Rainbow tables
Network sniffing
Brute force attack
Answer:
intimidation brute force attack rainbow tables
Intimidation, brute force attack, and rainbow table are examples of cracking an encrypted password. Therefore options D, E, and G are the correct responses.
What is a brute force attack?Despite the wide range of advantages that system analysis provides, there may also be significant drawbacks. The risk of excessive analysis, which could be expensive and time-consuming, is one of the major drawbacks that is frequently ignored. Thus, striking the correct balance is a necessary component of the analyst's job.
One of brute force attacks' primary benefits is that given enough time and the absence of a target mitigation mechanism, they always succeed. This is one of their main advantages. A brute force assault can be used to break any encryption key or password-based system currently in use.
Simple brute force assault is one of the brute force attack types. Simple brute force attacks guess passwords using automation and scripting. vocabulary assault Credentialing Abuse Brute Force Attack in reverse. Brute Force Attack with Hybrid. Spraying passwords. Botnets. Authenticate using many factors.
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____________ is a principle that limits access to certain parts of a program to public methods.
Encapsulation is a principle that limits access to certain parts of a program to public methods.
What is the principle of least privilege (POLP)?The principle of least privilege (POLP) is known to be an idea in computer security that helps to lower or limits users' access rights to a only what are known to be needed to do in their jobs.
Note that Users are said to be granted permission to be able to read, write or execute the thing that the files or resources is needed to do their jobs.
Therefore, Encapsulation is a principle that limits access to certain parts of a program to public methods.
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What are the three broad categories of analytics techniques designed to extract value from data?
The three broad categories of analytics techniques designed to extract value from data are:
DescriptivePredictivePrescriptive What is an analysis technique?Analytical technique is known to be a kind of a method that is said to be used to tell or know about a chemical or any form of physical property of a chemical substance.
Note that the Analytical Techniques are also known as the ways that are used for the qualitative and quantitative telling of concentration of a compound by the use of a lot of techniques such as titrations, spectroscopies, and others.
Therefore, The three broad categories of analytics techniques designed to extract value from data are:
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The total requests for a web page and are used as a measure of internet traffic are called ______. multiple choice question.
Answer:
hits
Explanation:
Question 1 (3.33 points)
The Bureau of Labor Statistics states that the median pay for a network
administrator is
$699,670
$19,000
$69,160
$49,780
Answer: the answer is 19,00
The Bureau of Labor Statistics states that the median pay for a network administrator is $69,160
What is the meaning of Network Administrator?Network administrators is known to be a person that is said to work by making sure the computer networks of any kind of organization are said to be secure and working properly.
Note that A network administrator is an IT professional that is said to be very sensitive and need skills and as such, the Bureau of Labor Statistics states that the median pay for a network administrator is $69,160.
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If a program contains an error that divides a number by zero at the execution time. this error is a:_________
If a program contains an error that divides a number by zero at the execution time. this error is a Semantic error.
Text that is grammatically correct but makes no sense is a semantic mistake. In the case of the C# programming language, an illustration would be "int x = 12.3;" - This sentence is illogical since 12.3 is not an integer literal and there is no implicit conversion from 12.3 to int. However, it is grammatically sound.
The disruption of access to semantics or lexical representations leads to semantic mistakes. Examining the understanding of words that cause name semantic problems is one technique to identify their causes.
A semantic error is flawed logic that results in the incorrect behaviour when applied, as opposed to a syntax error, which is an incorrect construction of the source code.
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Write a program that prompts the user to enter a social security number in the format ddd-dd-dddd, where d is a digit. your program should check whether the input is valid.
A program written by using Java that prompts an end user to enter a Social Security Number in the format "ddd-dd-dddd" is as follows:
import java.util.Scanner;public class CheckSocialSecurityNumber_09_22 { public static void main(String[ ] args) { Scanner input = new Scanner(System.in); System.out.print("Enter a SSN: "); //Creates Social Security Number (SSN) variable boolean isValid = ssn.length() == 11 && ssn.charAt(0) <= '9' && ssn.charAt(0) >= '0' && Character.isDigit(ssn.charAt(1)) && Character.isDigit(ssn.charAt(2)) && ssn.charAt(3) == '-' && Character.isDigit(ssn.charAt(4)) && Character.isDigit(ssn.charAt(5)) && ssn.charAt(6) == '-' &&Character.isDigit(ssn.charAt(7)) && Character.isDigit(ssn.charAt(8)) && Character.isDigit(ssn.charAt(9)) && Character.isDigit(ssn.charAt(10));//Creates if-else statement to notify user whether the input (Social Security Number) is valid. if (isValid) System.out.println(ssn + " is a valid Social Security Number"); else System.out.println(ssn + " is an invalid Social Security Number"); }}What is JavaScriptJavaScript can be defined as an object-oriented computer programming language that is typically designed and developed for creating interactive effects within a software application such as web browsers.
What is an if-else statement?An if-else statement can be defined as a conditional statement that is written by a computer programmer to handle decisions by running a different set of statements, depending on whether an expression is either true or false.
Note: The indentation may change due to Brainly's text editor.
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Which of the following is NOT a possible result of personal information being located on an unsecure network?
The option that is not a possible result of personal information being located on an unsecure network is a computer virus is downloaded to the network.
What is an unsecure network?An unsecured network is known to be a term that connote that a given network can be compromise at any time.
Note that this is said to be one that is refers to as a free Wi-Fi (wireless) network and it is one that tells that there is no form of special login or screening process to be able to get on the network, and as such you and anyone else can use it.
Therefore, based on the above, The option that is not a possible result of personal information being located on an unsecure network is a computer virus is downloaded to the network.
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Q.
Which of the following is NOT a possible result of personal information being located on an unsecure network?
answer choices
A computer virus is downloaded to the network
A persons financial information is downloaded to social media
A persons identity is stolen
A computer hacker breaks into the network and downloads information
Describe the changing role of the computer user
The changing role of the computer user is that they are involved in the
The Development of SoftwareMaintenance of system as well as software, etc.What is the role of user in system development process?User involvement can be a tool that can help lower or even remove the clash that tend to exist between users and system developers in the any system function.
Note that by working with users, system developers are able to find data as well as information direct from the users; know the needs of the users and help the said users to have a good understanding of the new system.
Therefore, The changing role of the computer user is that they are involved in the
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Which command prompt command will enable you to see all the files in the c:\fred folder with the extension exe?
DIR C:\FRED\*.EXE command prompt command will enable you see all the files in the c:\fred folder with the extension exe.
If you want to see all the files in a specific folder that have a certain file extension, you can use the DIR command in the Command Prompt.
To use the DIR command, you need to specify the path of the folder you want to list the contents of, and then add the file extension you're looking for. So, if you want to see all the files in the c:\fred folder that have the .exe extension, you would use the following command:
dir c:\fred\*.exe
This will list all the files in the c:\fred folder that have the .exe extension.
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Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the internet, and related technologies. group of answer choices
a. true
b. false
Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the internet, and related technologies is option b: false statement.
What is meant by digital literacy?
Digital literacy is known to be a term that connote when a person is said to be having the skills that they need to live, learn, as well as work in a society where communication as well as access to information is known to be increasingly via the use of digital technologies such as internet platforms, social media, and others.
Therefore, Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the internet, and related technologies is option b: false statement.
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The pico question is a formula that is only used at the beginning of the process. select one:
a. true
b. false
The Pico question is a formula that is only used at the beginning of the process is a true statement.
What is PICO format?PICO is known to be a kind of format that is known to be used for making or developing a good form of clinical research question before the beginning of one's research.
Note that it is seen as one that is mnemonic in nature and that is used to tell about the four elements of the sound clinical foreground question.
Therefore, The Pico question is a formula that is only used at the beginning of the process is a true statement.
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Which standards layer governs peer-to-peer file sharing? select one:
a. data link
b. transport
c. internet
d. none of these
None of these standards layer governs peer-to-peer file sharing. So, in this question option (d) none of these is the correct choice.
As per the services governed by each layer of OSI model, file sharing is a function of the application layer. This is the highest abstraction layer of the model. In peer-to-peer file sharing, the application layer provides services to locate communication peers and synchronize communications. It provides an interface to users that makes file sharing and accessing possible with other peers required access to the files.
Peer-to-peer file sharing is a kind of networking technology that allows a group of users to directly connect to each other for the purpose of accessing and sharing media files, such as e-books, games, music, and movies over a network. In peer-to-peer file sharing, the term peer refers to the individual users over the network. A peer can play a role of both a client and a server as required. BitT-orrent is one such example of peer-to-peer file sharing.
Computer devices communicate through a standard layered set of guidelines known as protocols. Each layer provides different services in order to make communication possible. The OSI model is one such example of a layered model. Seven layers of the OSI model with the services each layer support are described below:
Application Layer: It contains communication services such as message handling and file transfer of all kinds including FTP, peer-to-peer, client-server etc.Presentation Layer: The presentation layer provides rules for the translation of data transferred between applications.Session Layer: It includes guidelines for remote logins to facilitate specific session activation and authorization.Transport Layer: Rules for transparent, reliable data transfer between computers are offered by the transport layer.Network Layer: This layer en-routes the data and packets to their destination over the network, providing end-to-end file sharing and data transfer.Data-Link Layer: The flow of information and error checking is controlled by this layer.Physical Layer: The physical layer governs rules to control hardware.Thus, peer-to-peer file sharing governs by application layer.
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The ____ language was used to write utilities and operating systems, including unix and windows.
The "Basic" language was used to write utilities and operating systems, including Unix and Windows.
When it comes to programming languages, there are a few that stand out above the rest. One of those languages is "Basic."
Basic was originally designed to be a simple, easy-to-use language for writing utilities and operating systems. That includes some of the most popular operating systems today, such as Unix and Windows.
Despite its simplicity, Basic is a powerful language that is still used by many programmers today. In fact, it's one of the most popular languages on GitHub.
If you're looking for a language that is easy to learn and use, Basic is a great choice. And if you're already familiar with other languages, learning Basic will be a breeze.
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Understanding the logic and processes computers use to solve problems and run programs is known as:_________
Answer:
Computational Thinking
Explanation:
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Answer:
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Languages, menus, and other facilities by which users interact with the database are collectively called a(n):_________
Languages, menus, and other facilities by which users interact with the database are collectively called a user interface.
What is user interface?The user interface (UI) is known to be a term that connote the point of human-computer association and communication in any form of device.
This is one that is said to be made up of display screens, keyboards, as well as mouse and the design or view of a desktop.
Therefore, Languages, menus, and other facilities by which users interact with the database are collectively called a user interface.
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The big data v that defines the fact users expect their data to be accurate and trustworthy is?
Veracity is the big data term that describes the reality that people want their data to be reliable and accurate.
What is big data?Big data refers to data collections that are too large or complex for software used for traditional data processing to manage. Despite having greater statistical power, data with more fields may also have a higher probability of false discovery than data with fewer fields.Big data is characterized as data that is more diverse, arrives more quickly, and comes in bigger amounts.Another term for this is the three Vs. Big data is just a word for larger, more complicated data collections, particularly from new data sources.One example of the numerous sources of big data is transaction processing systems, customer databases, documents, emails, medical records, internet clickstream logs, mobile apps, and social networks.To learn more about big data, refer to:
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For a network technician, one benefit of understanding the osi seven-layer model and how traffic in an actual network works through the model is applying this knowledge to __________.
For a network technician, one benefit of understanding the OSI seven-layer model and how traffic in an actual network works through the model is applying this knowledge to: troubleshoot networks.
What is the OSI model?OSI model is an abbreviation for open systems interconnection and it comprises seven (7) main layers, which typically starts from the hardware layers (layers in hardware systems) to the software layers (layers in software systems)
The layers of the OSI model.Basically, there are seven (7) layers in the open systems interconnection (OSI) model and these include the following in sequential order;
Physical LayerData link LayerNetwork LayerTransport LayerSession LayerPresentation LayerApplication LayerIn Computer networking, understanding the OSI seven-layer model and how traffic in an active network works through the OSI model can be used to troubleshoot networks.
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You are servicing a dell inspiron 22 3265/3263 aio desktop and determine that the lcd panel is faulty. what troubleshooting steps will you follow before replacing the lcd assembly?
The steps for the troubleshooting is given below
1.) First you need to Run ePSA, then click on esc to stop testing and then get back control of the cursor. You have to Double click on the screen to see if the cursor will moves to your given location. That will help you to know if hardware is required in terms of been replaced or it is the software that have the problem.
2.)If system boots into windows, you have to check your device manager for the tool call the USB Input device which is known to have a white circle as well as a down arrow, then right click and enable it so that you can be able to test its functionality.
What it means to troubleshooting?Troubleshooting is known to be a systematic method that is used in problem-solving that is often seen or used to know and correct issues with regards to complex machines, computers and also software system.
Therefore, The steps for the troubleshooting are;
1.) First you need to Run ePSA, then click on esc to stop testing and then get back control of the cursor. You have to Double click on the screen to see if the cursor will moves to your given location. That will help you to know if hardware is required in terms of been replaced or it is the software that have the problem.
2.)If system boots into windows, you have to check your device manager for the tool call the USB Input device which is known to have a white circle as well as a down arrow, then right click and enable it so that you can be able to test its functionality.
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With the database approach, data descriptions are stored in a central location known as a:_____.
With the database approach, data descriptions are stored in a central location known as a repository.
What is repository in computer?In regards to the use of information technology, a repository is known to be a term that connote the central region where all work regarding the aggregation of data is known to be kept.
It is known to be the point at which data are said to be maintained in an way that is known to be organized in computer storage.
Therefore, With the database approach, data descriptions are stored in a central location known as a repository.
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The linux/unix command __________ can be used to search for files or contents of files.
Maintaining a detailed study log that identifies the interviews making phones calls. True or false
Maintaining a detailed study log that identifies the interviews making phones calls is a false statement.
What are the interviews?An interview is known to be a kind of a structured form of a conversation and it is seen as the one where one participant is known to be asking the questions, and the other is said to be providing the answers.
In carrying out an interview, there is no need keeping tab of the phone calls made because it is irrelevant.
Note that this is seen in common parlance as a word called "interview" and as such it can be called a one-on-one conversation that tends to exist between an interviewer and that of an interviewee.
Maintaining a detailed study log that identifies the interviews making phones calls is a false statement as it is not necessary.
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How are computer generation classified.
Answer:
The classification and time periods are given below:
Second Generation Computer (1957-1963)
Third Generation Computer (1964-1971)
Fourth Generation Computer (1972 onward)
Fifth Generation Computer (Present and future)
