Information and Communication Technology MCQ

1061. Which of the following would not be suitable for Lossy Compression?

Correct Answer: Correct answer is: (D) Text.

Exam Relevance: Computer Science, Information Technology, Data Science

Difficulty: Easy

Concept notes: Lossy compression reduces file size by removing some data, which is acceptable for media like images, music, and videos where some loss of quality is tolerable. However, text requires exact reproduction, making lossy compression unsuitable.

Common Mistakes: Students may mistakenly think that text can be compressed lossily if the compression is minimal, but any loss of data in text can lead to errors and misinterpretation.

Explanations: Lossy compression is designed to reduce file size by discarding some data, which is acceptable for media like images, music, and videos where some loss of quality is tolerable. However, text requires exact reproduction without any loss of data. Any loss in text can lead to errors and misinterpretation, making lossy compression unsuitable for text.

Option Analysis:

Option A: Images can be compressed lossily as some loss of quality is acceptable.
Option B: Music can be compressed lossily as some loss of quality is acceptable.
Option C: Videos can be compressed lossily as some loss of quality is acceptable.
Option D: Text cannot be compressed lossily as any loss of data can lead to errors and misinterpretation.

1062. The ways to verify that data comes from a secure and trusted source

Correct Answer: Correct answer is: (B) Authentication.

Exam Relevance: CISSP, CISA, CompTIA Security+

Difficulty: Moderate

Concept notes: Authentication is the process of verifying the identity of a user, device, or system to ensure that the data comes from a secure and trusted source.

Common Mistakes: Students may confuse authentication with validation, which is the process of checking the correctness and integrity of data, rather than verifying its source.

Explanations: Authentication ensures that data originates from a trusted source by verifying the identity of the sender. This process is crucial for maintaining the security and integrity of data. Reliability, data protection acts, and validation data do not directly address the verification of the source of the data.

Option Analysis:

Option A: Reliability refers to the consistency and dependability of a system or data, but it does not specifically address the verification of the source of the data.
Option B: Authentication is the correct method for verifying that data comes from a secure and trusted source.
Option C: The Data Protection Act is a legal framework for protecting personal data, but it does not directly address the verification of the source of the data.
Option D: Validation data is used to check the correctness and integrity of data, but it does not verify the source of the data.

1063. After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered-

Correct Answer: Correct answer is: (B) Output.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: In computing and digital photography, the term "output" refers to the final product or result of a process. In this context, the print of a picture is the final product after the picture has been taken and processed.

Common Mistakes: Students may confuse "output" with "input," thinking that the picture itself is the input rather than the print being the output.

Explanations: The print of a picture is considered the output because it is the final result after the picture has been taken and processed. The process of taking a picture and then printing it involves several steps, but the print is the tangible result that can be seen and held, making it the output of the entire process.

Option Analysis:

Option A: Data refers to the raw information or digital file of the picture, not the physical print.
Option B: Output is the correct term for the final product, which in this case is the print of the picture.
Option C: Input refers to the initial data or action that starts the process, such as taking the picture, not the final print.
Option D: The process refers to the steps taken to create the print, not the print itself.

1064. HTML stands for

Correct Answer: Correct answer is: (A) Hyper Text Markup Language.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Very Easy

Concept notes: HTML stands for Hyper Text Markup Language, which is the standard markup language for creating web pages.

Common Mistakes: Students may confuse HTML with other acronyms that start with "Hyper Text," such as Hyper Text Transfer Protocol (HTTP).

Explanations: HTML is a markup language used to structure and format content on the web. The acronym stands for Hyper Text Markup Language, where "Hyper Text" refers to the ability to link to other documents and "Markup Language" refers to the use of tags to define the structure and content of a web page.

Option Analysis:

Option A: Correct. HTML stands for Hyper Text Markup Language.
Option B: Incorrect. HTML does not stand for Hyper Text Manipulation Language.
Option C: Incorrect. HTML does not stand for Hyper Text Managing Links.
Option D: Incorrect. HTML does not stand for Hyper Text Manipulating Links.

1065. Suppose you have bought all hardwre components required for assembling a computer. After assembling the Computer System, which will be the very fast software to be installed.

Correct Answer: Correct answer is: (D) Operating System.

Exam Relevance: Computer Science Fundamentals, IT Certification Exams, Undergraduate Computer Science Exams

Difficulty: Easy

Concept notes: The operating system is the first software to be installed after assembling a computer because it provides the fundamental interface between the hardware and other software applications.

Common Mistakes: Students may mistakenly believe that hardware drivers or antivirus software should be installed first, but these are secondary to the operating system.

Explanations: The operating system is essential because it manages the computer's hardware and software resources, providing common services for computer programs. Without an operating system, other software, including hardware drivers and antivirus programs, cannot function. Therefore, the operating system must be installed first to enable the computer to run other software.

Option Analysis:

Option A: Hardware drivers are specific software components that allow the operating system to communicate with hardware devices. They are installed after the operating system.
Option B: Antivirus software is installed to protect the system from malicious software and is not required immediately after assembly.
Option C: Application software is installed to perform specific tasks and requires an operating system to function.
Option D: The operating system is the foundational software that manages hardware and provides services for other software.

1066. Another term for a conditional operator is:

Correct Answer: Correct answer is: (D) Ternary.

Exam Relevance: ACM, GRE Computer Science, Programming Exams

Difficulty: Easy

Concept notes: A conditional operator, also known as a ternary operator, is a shorthand way to write a simple if-else statement in many programming languages.

Common Mistakes: Students may confuse the term "ternary" with "binary," which refers to operations involving two operands.

Explanations: The term "ternary" is used because the conditional operator involves three operands: a condition, a value to return if the condition is true, and a value to return if the condition is false. This makes it distinct from binary operators, which involve only two operands.

Option Analysis:

Option A: Binary operators involve two operands, not three, so this is incorrect.
Option B: Iteration refers to loops, not conditional statements, so this is incorrect.
Option C: Selective is a general term for conditional statements but not the specific term for the conditional operator.
Option D: Ternary is the correct term for the conditional operator because it involves three operands.

Mnemonic: Think "three" for "ternary."

1067. What is a network with continuous loop communication?

Correct Answer: Correct answer is: (B) Ring network.

Exam Relevance: Computer Networks, Data Communications, Network Fundamentals

Difficulty: Moderate

Concept notes: A ring network is a type of network topology where each node is connected to exactly two other nodes, forming a continuous loop.

Common Mistakes: Students may confuse ring networks with star networks, where all nodes connect to a central hub.

Explanations: In a ring network, data travels in one direction around the loop, passing through each node. This continuous loop ensures that each node can communicate with every other node in the network. The ring topology is characterized by its circular structure, which is why it is called a ring network.

Option Analysis:

Option A: A star connected network has a central hub to which all nodes are connected, not a continuous loop.
Option B: A ring network has a continuous loop, making it the correct answer.
Option C: A cascaded network typically refers to a series of connected networks, not a continuous loop.
Option D: A local network can refer to various topologies, not specifically a continuous loop.

Mnemonic: Ring = Round and Round

1068. We can repeat narration by pressing

Correct Answer: Correct answer is: (C) Ctrl + R.

Exam Relevance: GRE, GMAT, CAT, Competitive Programming Exams

Difficulty: Easy

Concept notes: The correct answer is based on the standard keyboard shortcut used in many software applications for repeating the last action or command.

Common Mistakes: Students may confuse the shortcut with other similar shortcuts, such as Shift + R or Alt + R, which are used for different functions in various applications.

Explanations: Ctrl + R is a commonly used keyboard shortcut for repeating the last action in many software applications, including text editors, image editors, and web browsers. This shortcut is designed to enhance productivity by allowing users to quickly repeat a previous command without having to navigate through menus or perform the action manually again.

Option Analysis:

Option A: Shift + R is not the correct shortcut for repeating the last action in most applications.
Option B: Alt + R is not the correct shortcut for repeating the last action in most applications.
Option C: Ctrl + R is the correct shortcut for repeating the last action in many applications.
Option D: Alt + Shift + R is not a commonly used shortcut for repeating the last action.

Mnemonic: Ctrl + R = Repeat

1069. Which of the following statement is true

Correct Answer: Correct answer is: (A) You can insert text boxes from drawing toolbar in PowerPoint.

Exam Relevance: Microsoft Office Specialist, CompTIA A+, ITIL Foundation

Difficulty: Easy

Concept notes: In PowerPoint, text boxes can be inserted using the Drawing toolbar, which provides various tools for adding shapes and text.

Common Mistakes: Students may mistakenly believe that text boxes can only be added through predefined layouts or that the Drawing toolbar does not include text box functionality.

Explanations: The Drawing toolbar in PowerPoint includes a text box tool that allows users to insert text boxes anywhere on a slide. This feature is useful for adding custom text outside of the predefined layout options.

Option Analysis:

Option A: Correct. The Drawing toolbar in PowerPoint includes a text box tool.
Option B: Incorrect. The Drawing toolbar does allow for the insertion of text boxes.
Option C: Incorrect. While predefined layouts may include text boxes, users can also insert text boxes manually using the Drawing toolbar.
Option D: Incorrect. Option A is the correct statement.

1070. Which of the following is the practice of specifying an index of approved software applications that are permitted to be present and active on a computer system?

Correct Answer: Correct answer is: (A) Application Whitelisting.

Exam Relevance: CISSP, CompTIA Security+, CISA

Difficulty: Easy

Concept notes: Application Whitelisting is a security practice that specifies a list of approved software applications that are permitted to be present and active on a computer system.

Common Mistakes: Students may confuse Application Whitelisting with Application Blacklisting, which involves blocking specific applications rather than allowing only approved ones.

Explanations: Application Whitelisting is the practice of specifying an index of approved software applications that are permitted to be present and active on a computer system. This method ensures that only trusted applications can run, enhancing system security by preventing unauthorized or malicious software from executing.

Option Analysis:

Option A: Correct. Application Whitelisting is the practice of specifying an index of approved software applications that are permitted to be present and active on a computer system.
Option B: Incorrect. Attack Surface refers to the sum of the different points where an unauthorized user can try to enter data to or extract data from an environment.
Option C: Incorrect. This option is not applicable as only one of the options is correct.
Option D: Incorrect. This option is not applicable as one of the options is correct.

⬅ Previous SetSet 107Next Set ➡

3 thoughts on “Information and Communication Technology MCQ - Set 107”

Peter Ross April 8, 2020
The MCQ is quite entertaining and will help in increasing knowledge also.
Reyaz Ahmad khan December 26, 2020
plz help me in regard with current Affairs
Eshita Nandpal April 11, 2021
Plz give make a part of unit wise

3 thoughts on “Information and Communication Technology MCQ - Set 107”

Leave a Reply