Information and Communication Technology MCQ

861. Which of the following is the smallest measure of storage?

Correct Answer: Correct answer is: (C) Byte.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: The byte is the smallest unit of digital information storage commonly used in computing.

Common Mistakes: Students may confuse the order of storage units, thinking that MB (megabyte) or TB (terabyte) are smaller than a byte.

Explanations: A byte is the smallest unit of storage typically used in computing, consisting of 8 bits. MB (megabyte) and TB (terabyte) are much larger units of storage, with 1 MB equaling 1,048,576 bytes and 1 TB equaling 1,099,511,627,776 bytes. Therefore, the byte is the smallest measure of storage among the given options.

Option Analysis:

Option A: MB (megabyte) is a larger unit of storage, equal to 1,048,576 bytes.
Option B: TB (terabyte) is a much larger unit of storage, equal to 1,099,511,627,776 bytes.
Option C: Byte is the smallest unit of storage, consisting of 8 bits.
Option D: This option is incorrect because not all the above are the smallest measure of storage.

Mnemonic: Bite is small, Byte is small.

862. A computer program is best described as a series of .....

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

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

Difficulty: Easy

Concept notes: A computer program is a set of instructions that a computer follows to perform specific tasks.

Common Mistakes: Students may confuse a program with data or output, thinking it consists of numbers or answers.

Explanations: A computer program is a sequence of instructions that tell the computer what to do. These instructions are written in a programming language and are executed by the computer to achieve a desired outcome. The other options (questions, answers, numbers) do not accurately describe the nature of a computer program.

Option Analysis:

Option A: Correct. A program is a series of instructions.
Option B: Incorrect. A program is not a series of questions.
Option C: Incorrect. A program is not a series of answers.
Option D: Incorrect. A program is not a series of numbers.

863. AutoCorrect was originally designed to replace..... words as you type.

Correct Answer: Correct answer is: (C) Misspelled.

Exam Relevance: SAT, ACT, TOEFL, IELTS

Difficulty: Easy

Concept notes: AutoCorrect is a feature designed to automatically correct misspelled words as you type.

Common Mistakes: Students may confuse AutoCorrect with features that correct grammar or repetitive text.

Explanations: AutoCorrect was originally designed to replace misspelled words as you type. This feature helps in maintaining the accuracy and readability of the text by automatically correcting common spelling errors.

Option Analysis:

Option A: AutoCorrect does not specifically target grammatically incorrect words, but rather misspelled words.
Option B: While AutoCorrect can replace short, repetitive words, its primary function is to correct misspelled words.
Option C: AutoCorrect is designed to replace misspelled words as you type, making this the correct answer.
Option D: This option is incorrect as AutoCorrect does have a specific function related to misspelled words.

864. Match the server response codes with the proper description: 200

Correct Answer: Correct answer is: (A) Request was successful.

Exam Relevance: CISSP, CompTIA Security+, Network+

Difficulty: Very Easy

Concept notes: HTTP status code 200 indicates that the request has succeeded.

Common Mistakes: Students may confuse 200 with other status codes like 301 (Moved Permanently) or 401 (Unauthorized).

Explanations: The HTTP status code 200 signifies that the request was successful and the server has completed the request. This is the standard response for successful HTTP requests.

Option Analysis:

Option A: Correct. 200 means the request was successful.
Option B: Incorrect. 301 is the code for a resource moved permanently.
Option C: Incorrect. 401 is the code for requiring authentication with the server.
Option D: Incorrect. 403 is the code for access denied.

Mnemonic: 200 = Success, 200 = OK

865. How was the generation of computer classified?

Correct Answer: Correct answer is: (A) By the device used in memory & processor.

Exam Relevance: CSIR NET, GATE, GRE, TOEFL

Difficulty: Moderate

Concept notes: The classification of computer generations is based on the technology used in the memory and processor.

Common Mistakes: Students often confuse the classification with the speed or model of the computer.

Explanations: The classification of computer generations is primarily based on the technological advancements in memory and processor devices. For example, the first generation used vacuum tubes, the second generation used transistors, the third generation used integrated circuits, and the fourth generation used microprocessors. This technological progression is the key factor in defining each generation.

Option Analysis:

Option A: Correct. The classification of computer generations is based on the device used in memory and processor.
Option B: Incorrect. Speed is a characteristic of a computer but not the basis for generation classification.
Option C: Incorrect. The model of a computer is not a basis for generation classification.
Option D: Incorrect. Accuracy is a performance metric but not the basis for generation classification.

Mnemonic: Vacuum, Transistor, Integrated, Micro (VTIM)

866. Which two statements are used to implement iteration?

Correct Answer: Correct answer is: (C) FOR and WHILE.

Exam Relevance: ACM, GRE Computer Science, Programming Fundamentals Exams

Difficulty: Easy

Concept notes: Iteration in programming refers to the repetition of a block of code until a certain condition is met. The FOR and WHILE loops are commonly used to implement iteration.

Common Mistakes: Students often confuse iteration with conditional statements like IF and ELSE, which are used for decision-making rather than repetition.

Explanations: FOR and WHILE loops are used to implement iteration in programming. The FOR loop is used when the number of iterations is known beforehand, while the WHILE loop is used when the number of iterations is not known and depends on a condition. The IF and ELSE statements are used for conditional execution, not for iteration.

Option Analysis:

Option A: IF and WHILE are not both used for iteration. IF is used for conditional execution.
Option B: ELSE and WHILE are not both used for iteration. ELSE is used for conditional execution.
Option C: FOR and WHILE are both used for iteration.
Option D: IF and ELSE are not used for iteration. They are used for conditional execution.

Mnemonic: FOR loops FOR known iterations, WHILE loops WHILE conditions hold.

867. Which of the following should you use if you want all the slides in the presentation to have the same "look"?

Correct Answer: Correct answer is: (D) A presentation design template.

Exam Relevance: Microsoft Office Specialist, Google Workspace Certification

Difficulty: Easy

Concept notes: A presentation design template ensures a consistent look across all slides in a presentation.

Common Mistakes: Students may confuse slide layouts with templates, thinking layouts alone can provide a consistent look.

Explanations: A presentation design template is a pre-designed set of slide layouts, color schemes, fonts, and other design elements that can be applied to an entire presentation. This ensures that all slides have a uniform and professional appearance. Slide layouts, while they can be consistent, do not encompass the full range of design elements that a template does.

Option Analysis:

Option A: The slide layout option only affects the arrangement of content on individual slides and does not ensure a consistent look across all slides.
Option B: The add a slide option simply allows you to insert new slides but does not control the design consistency.
Option C: Outline view is a way to view the structure of the presentation and does not affect the design consistency.
Option D: A presentation design template ensures all slides have the same look by applying a consistent set of design elements.

868. Alerts are mostly appear in.....?

Correct Answer: Correct answer is: (C) Dialog box.

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

Difficulty: Easy

Concept notes: Alerts are typically displayed in dialog boxes to notify users about important information or actions.

Common Mistakes: Students may confuse alerts with other UI elements like check boxes or combo boxes, which do not serve the same purpose.

Explanations: Alerts are designed to interrupt the user's workflow to draw attention to a specific message or action. Dialog boxes are the most common UI element used for this purpose, as they can be modal (forcing the user to interact with them before continuing) and can contain text, buttons, and other interactive elements to convey the alert message effectively.

Option Analysis:

Option A: Check boxes are used for selecting options, not for displaying alerts.
Option B: Combo boxes are used for selecting from a list of options, not for displaying alerts.
Option C: Dialog boxes are used to display alerts and other important messages to the user.
Option D: This option is incorrect as alerts are commonly displayed in dialog boxes.

869. In which generation Computers vacuum tube were used?

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

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

Difficulty: Easy

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

Common Mistakes: Students may confuse the use of vacuum tubes with later generations that used transistors or integrated circuits.

Explanations: Vacuum tubes were used in the first generation of computers, which spanned from the 1940s to the mid-1950s. These tubes were large, consumed a lot of power, and generated significant heat. They were used for both logic and memory functions in early computers. The subsequent generations of computers used more advanced technologies such as transistors and integrated circuits, which were smaller, more reliable, and more energy-efficient.

Option Analysis:

Option A: Correct. Vacuum tubes were used in the first generation of computers.
Option B: Incorrect. The second generation used transistors, not vacuum tubes.
Option C: Incorrect. The third generation used integrated circuits, not vacuum tubes.
Option D: Incorrect. The fourth generation used microprocessors, not vacuum tubes.

870. What frequencies does Wi-Fi use in the UK?

Correct Answer: Correct answer is: (D) 2.4GHz and 5GHz.

Exam Relevance: GCSE Computer Science, A-Level Computing

Difficulty: Easy

Concept notes: Wi-Fi operates on specific frequency bands to ensure reliable communication between devices.

Common Mistakes: Students may confuse Wi-Fi frequencies with those used by other wireless technologies, such as cellular networks.

Explanations: Wi-Fi in the UK uses the 2.4GHz and 5GHz frequency bands. These bands are part of the globally recognized ISM (Industrial, Scientific, and Medical) bands, which are unlicensed and available for use by various wireless technologies. The 2.4GHz band is widely used for its longer range but can suffer from interference, while the 5GHz band offers faster speeds but has a shorter range.

Option Analysis:

Option A: Incorrect because 9GHz is not a standard Wi-Fi frequency band.
Option B: Incorrect because 2.6GHz and 3.9GHz are not standard Wi-Fi frequency bands.
Option C: Incorrect because 1.2GHz is not a standard Wi-Fi frequency band.
Option D: Correct because 2.4GHz and 5GHz are the standard Wi-Fi frequency bands used in the UK.

Mnemonic: 2.4 and 5, the Wi-Fi twins.

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3 thoughts on “Information and Communication Technology MCQ - Set 87”

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 87”

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