Information and Communication Technology MCQ

381. In MS Powerpoint, shortcut for creating new new slide is.....

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

Exam Relevance: Microsoft Office Specialist, CompTIA A+, High School IT exams

Difficulty: Easy

Concept notes: In Microsoft PowerPoint, the shortcut Ctrl+M is used to create a new slide.

Common Mistakes: Students may confuse Ctrl+M with other shortcuts like Ctrl+N (new presentation) or Ctrl+S (save).

Explanations: The shortcut Ctrl+M is specifically designed to add a new slide to the current presentation in PowerPoint. This is a commonly used shortcut for quick slide creation without navigating through the menu options.

Option Analysis:

Option A: Ctrl+N is used to create a new presentation, not a new slide.
Option B: Ctrl+S is used to save the current presentation, not to create a new slide.
Option C: Ctrl+M is the correct shortcut for creating a new slide.
Option D: Ctrl+P is used to print the current presentation, not to create a new slide.

Mnemonic: Mnemonic: "M for More slides"

382. An intentionally disruptive program that spreads from program to program or from disk to disk is known as a.....?

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

Exam Relevance: AP Computer Science Principles, CompTIA Security+, CISSP

Difficulty: Easy

Concept notes: A virus is a type of malicious software that can replicate itself and spread to other computers or programs.

Common Mistakes: Students may confuse a virus with a trojan horse, which is a type of malware that appears to be legitimate software but has hidden malicious functions.

Explanations: A virus is defined as a program that can replicate itself and spread from one program to another or from one disk to another. This matches the description given in the question. A trojan horse, time bomb, and time-related bomb sequence do not fit this definition.

Option Analysis:

Option A: A trojan horse is a type of malware that disguises itself as legitimate software but performs malicious actions. It does not replicate or spread like a virus.
Option B: A virus is a malicious program that can replicate itself and spread to other programs or disks, fitting the description in the question.
Option C: A time bomb is a piece of code that activates at a specific time or date, but it does not replicate or spread like a virus.
Option D: A time-related bomb sequence is similar to a time bomb, but it does not replicate or spread like a virus.

383. What would be used to collect personal information from your computer?

Correct Answer: Correct answer is: (A) Spyware.

Exam Relevance: AP Computer Science Principles, CompTIA Security+, CISSP

Difficulty: Easy

Concept notes: Spyware is a type of malicious software designed to collect personal information from a user's computer without their knowledge or consent.

Common Mistakes: Students may confuse spyware with other types of software like defragmenters, which are used to optimize computer performance rather than collect data.

Explanations: Spyware is specifically designed to collect personal information from a user's computer. It operates covertly, often without the user's knowledge, to gather data such as browsing habits, login credentials, and financial information. Defragmenters, on the other hand, are used to optimize the performance of a computer by organizing files and free space on the hard drive. Therefore, spyware is the correct choice for collecting personal information.

Option Analysis:

Option A: Spyware is the correct choice as it is designed to collect personal information.
Option B: Defragmenters are used to optimize computer performance, not to collect personal information.
Option C: This option is incorrect because only spyware is used to collect personal information.
Option D: This option is incorrect because spyware is indeed used to collect personal information.

Mnemonic: S-P-Y: Spyware Peeks Your privacy.

384. ASCII and EBCDIC are the popular character coding systems. What does ASCII stand for?

Correct Answer: Correct answer is: (C) American Standard Code for Information Interchange.

Exam Relevance: AP Computer Science, SAT Subject Test in Computer Science

Difficulty: Easy

Concept notes: ASCII is a character encoding standard used to represent text in computers and other devices. It assigns unique binary codes to each character, including letters, numbers, and symbols.

Common Mistakes: Students may confuse ASCII with other encoding systems like EBCDIC or may misremember the full name of ASCII.

Explanations: ASCII stands for American Standard Code for Information Interchange. It is a widely used character encoding system that assigns unique binary codes to each character, enabling computers to store and process text data. The correct answer is C because it accurately reflects the full name of the ASCII standard.

Option Analysis:

Option A: Incorrect, as "Stable" and "International" are not part of the correct acronym.
Option B: Incorrect, as "Case" and "Institutional" are not part of the correct acronym.
Option C: Correct, as it accurately represents the full name of ASCII.
Option D: Incorrect, as the order of "Information" and "Interchange" is reversed.

Mnemonic: ASCII: All Students Can Interpret Correctly

385. Devices used to store massive amounts of information so that it can be readily retrieved. Devices include RAIDs, CD-ROMs, DVDs.

Correct Answer: Correct answer is: (A) Storage.

Exam Relevance: Computer Science, Information Technology, Data Management

Difficulty: Easy

Concept notes: Storage devices are used to store large amounts of data for easy retrieval. Examples include RAIDs, CD-ROMs, and DVDs.

Common Mistakes: Students may confuse storage devices with streaming devices, which are used for real-time data transmission rather than storage.

Explanations: Storage devices are designed to hold large amounts of data for retrieval. RAIDs, CD-ROMs, and DVDs are all examples of storage devices. RAIDs are used for high-capacity storage and redundancy, while CD-ROMs and DVDs are optical storage media used for storing data in a compact form. Therefore, the correct answer is Storage.

Option Analysis:

Option A: Correct. Storage devices are used to store large amounts of data for retrieval.
Option B: Incorrect. Streaming refers to the real-time transmission of data, not storage.
Option C: Incorrect. Default refers to a standard setting or configuration, not storage.
Option D: Incorrect. None of the above is not applicable since Storage is the correct answer.

386. First Generation of computer was based on which technology.

Correct Answer: Correct answer is: (C) Vaccum Tube.

Exam Relevance: CS101, Computer Architecture, History of Computing

Difficulty: Easy

Concept notes: The first generation of computers used vacuum tubes as their primary electronic components.

Common Mistakes: Students may confuse the technology used in different generations of computers, such as mistaking transistors or integrated circuits for the technology used in the first generation.

Explanations: The first generation of computers, which emerged in the 1940s and 1950s, utilized vacuum tubes for their electronic operations. Vacuum tubes were large, consumed a lot of power, and generated significant heat, but they were the only available technology at the time for creating electronic circuits. This technology was replaced in subsequent generations by more efficient components like transistors and integrated circuits.

Option Analysis:

Option A: LSI (Large Scale Integration) is a technology used in the third generation of computers, not the first.
Option B: VLSI (Very Large Scale Integration) is a technology used in the fourth generation of computers, not the first.
Option C: Vacuum tubes were the primary technology used in the first generation of computers.
Option D: Transistors were used in the second generation of computers, not the first.

387. We can create multiple users in Tally activating

Correct Answer: Correct answer is: (B) Use Security Control.

Exam Relevance: CA Final, CS Executive, CS Professional

Difficulty: Easy

Concept notes: In Tally, the Security Control feature allows the creation and management of multiple users with different access levels and permissions.

Common Mistakes: Students may mistakenly believe that Tally Audit is the feature used to create multiple users, but Tally Audit is primarily for reviewing and verifying transactions.

Explanations: The correct answer is to use Security Control in Tally. This feature enables the creation of multiple users with varying levels of access and permissions, ensuring that different users can have different roles and responsibilities within the system. Tally Audit, on the other hand, is used for reviewing and verifying transactions, not for creating users.

Option Analysis:

Option A: Tally Audit is used for reviewing and verifying transactions, not for creating users.
Option B: Security Control is the correct feature for creating and managing multiple users in Tally.
Option C: While Security Control is correct, Tally Audit is not used for creating users, so this option is incorrect.
Option D: This option is incorrect because Security Control is the correct feature for creating multiple users.

388. Consider the following three string variables:String myString1 = "not so loud!";String myString2 = "NOT SO LOUD!";String myString3 = "No thanks";What is returned by the expression myString2.substring(1)

Correct Answer: Correct answer is: (A) OT SO LOUD!.

Exam Relevance: AP Computer Science A, Java Programming Exams

Difficulty: Easy

Concept notes: The substring method in Java extracts a portion of a string starting from a specified index to the end of the string.

Common Mistakes: Students often forget that the index in substring is zero-based, meaning the first character is at index 0.

Explanations: The expression myString2.substring(1) starts extracting the substring from the second character (index 1) of the string "NOT SO LOUD!". Therefore, the result is "OT SO LOUD!".

Option Analysis:

Option A: Correct. The substring starts from index 1, which is the second character 'O'.
Option B: Incorrect. This would be the result if the substring started from index 0.
Option C: Incorrect. This would be the result if the substring started from the last character.
Option D: Incorrect. The expression is valid and will not produce a compiler error.

389. The transistorized computer circuits were introduced in the

Correct Answer: Correct answer is: (A) Second generation.

Exam Relevance: Computer Science, Information Technology, Engineering

Difficulty: Easy

Concept notes: The second generation of computers, which spanned from the late 1950s to the mid-1960s, introduced transistorized circuits, which replaced the vacuum tubes used in the first generation.

Common Mistakes: Students may confuse the second generation with the third generation, which introduced integrated circuits.

Explanations: Transistorized circuits were a key technological advancement in the second generation of computers. These circuits were smaller, more reliable, and consumed less power compared to the vacuum tubes used in the first generation. This advancement significantly improved the performance and efficiency of computers during this period.

Option Analysis:

Option A: Correct. Transistorized circuits were introduced in the second generation of computers.
Option B: Incorrect. The third generation introduced integrated circuits, not transistorized circuits.
Option C: Incorrect. The fourth generation introduced microprocessors, not transistorized circuits.
Option D: Incorrect. The fifth generation focused on artificial intelligence and parallel processing, not transistorized circuits.

Mnemonic: Transistors = Second Generation, Think "TSG"

390. A group of related items /section of program coding treated as a unit is referred as

Correct Answer: Correct answer is: (A) Block.

Exam Relevance: Computer Science Fundamentals, Programming Languages, Data Structures and Algorithms

Difficulty: Easy

Concept notes: A block in programming refers to a group of related statements or a section of code that is treated as a single unit.

Common Mistakes: Students may confuse a block with other programming constructs like loops or functions, which are specific types of blocks.

Explanations: In programming, a block is a collection of statements that are grouped together and treated as a single unit. This concept is fundamental in structured programming, where blocks can be used to define the scope of variables, control the flow of execution, and organize code logically. The term "block" is widely used in various programming languages to denote a section of code that is executed together.

Option Analysis:

Option A: Correct. A block is a group of related statements treated as a unit.
Option B: Incorrect. Duplex is not a term used in programming to describe a group of statements.
Option C: Incorrect. Street is not a term used in programming to describe a group of statements.
Option D: Incorrect. The correct answer is provided in option A.

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3 thoughts on “Information and Communication Technology MCQ - Set 39”

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 39”

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