Information and Communication Technology MCQ

1171. The space in your computer that loads and works with data

Correct Answer: Correct answer is: (D) RAM memory.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: RAM (Random Access Memory) is the space in a computer that loads and works with data. It is volatile memory, meaning it loses its data when the power is turned off.

Common Mistakes: Students may confuse RAM with ROM (Read-Only Memory), which is non-volatile and used for storing firmware or system settings.

Explanations: RAM is the primary memory used by the computer to load and process data and programs. It provides quick access to data, which is essential for the computer's performance. Unlike ROM, which stores permanent data, RAM is used for temporary data storage and is crucial for the computer's operation.

Option Analysis:

Option A: Cache memory is a small, fast memory that stores frequently accessed data, but it is not the primary space for loading and working with data.
Option B: CPU (Central Processing Unit) processes data but does not store data for loading and working purposes.
Option C: ROM (Read-Only Memory) stores permanent data and is not used for loading and working with data.
Option D: RAM (Random Access Memory) is the correct answer as it is the space in a computer that loads and works with data.

Mnemonic: RAM: Ready Access Memory

1172. Which register stores the address which data will be fetched from?

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

Exam Relevance: Computer Architecture, Computer Organization, Digital Systems

Difficulty: Easy

Concept notes: The Memory Address Register (MAR) stores the address from which data will be fetched or to which data will be sent.

Common Mistakes: Students often confuse MAR with MDR (Memory Data Register), which stores the actual data fetched from or to be sent to memory.

Explanations: The Memory Address Register (MAR) is used to hold the address of the memory location from which data will be fetched or to which data will be sent. This is a fundamental function of the MAR in the context of memory operations in a computer system.

Option Analysis:

Option A: Correct. The MAR stores the address from which data will be fetched.
Option B: Incorrect. The MDR stores the actual data fetched from or to be sent to memory, not the address.
Option C: Incorrect. The Program Counter (PC) holds the address of the next instruction to be executed, not the address for data fetch.
Option D: Incorrect. The Control Instruction Register (CIR) holds the current instruction being executed, not the address for data fetch.

Mnemonic: MAR: Memory Address Register, holds the address.

1173. Secondry storage devices are

Correct Answer: Correct answer is: (D) Both A and C.

Exam Relevance: Computer Science Exams, IT Certification Exams, Engineering Exams

Difficulty: Moderate

Concept notes: Secondary storage devices are characterized by their long-term storage capabilities and high capacity. They include devices such as diskettes, tapes, and other removable storage media.

Common Mistakes: Students may confuse secondary storage with primary storage (RAM), which is temporary and volatile.

Explanations: Secondary storage devices are designed for long-term data storage and have high capacity, making them suitable for storing large amounts of data over extended periods. These devices include diskettes, tapes, and other removable storage media, which are used to store data that is not currently in use but needs to be retained for future access. Therefore, both options A and C are correct, as they accurately describe the characteristics and examples of secondary storage devices.

Option Analysis:

Option A: This option correctly identifies secondary storage devices as long-term and high-capacity devices.
Option B: This option incorrectly describes temporary storage such as RAM, which is a characteristic of primary storage, not secondary storage.
Option C: This option correctly lists examples of secondary storage devices, such as diskettes and tapes.
Option D: This option correctly combines both A and C, making it the correct answer.

1174. In Microsoft Word shortcut CTRL+Z is for

Correct Answer: Correct answer is: (A) Undo something.

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

Difficulty: Very Easy

Concept notes: The shortcut CTRL+Z in Microsoft Word is used to undo the last action performed.

Common Mistakes: Students may confuse CTRL+Z with other shortcuts like CTRL+X (cut) or CTRL+V (paste).

Explanations: CTRL+Z is a standard keyboard shortcut in Microsoft Word and many other applications for undoing the last action. This function allows users to revert changes made in the document, such as typing, deleting, or formatting text.

Option Analysis:

Option A: Correct. CTRL+Z is used to undo the last action.
Option B: Incorrect. Deleting something is typically done with the DELETE key or the BACKSPACE key, not CTRL+Z.
Option C: Incorrect. Pasting something is done with the shortcut CTRL+V, not CTRL+Z.
Option D: Incorrect. The correct function is listed in Option A.

Mnemonic: Undo with Z, like "Zap it back!"

1175. A language reflects the way people think mathematically is known as.....

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

Exam Relevance: Computer Science, Programming Fundamentals, Software Engineering

Difficulty: Moderate

Concept notes: The concept of a language reflecting the way people think mathematically is known as functional programming.

Common Mistakes: Students may confuse functional programming with other programming paradigms such as event-driven or procedural programming.

Explanations: Functional programming is a programming paradigm where programs are constructed by applying and composing functions. It emphasizes the evaluation of mathematical functions and avoids changing-state and mutable data. This paradigm aligns closely with mathematical thinking, making it the correct answer.

Option Analysis:

Option A: Functional programming is the correct answer as it aligns with the concept of a language reflecting mathematical thinking.
Option B: Event-driven programming focuses on responding to events, not on mathematical thinking.
Option C: 3GL business programming is a general term for high-level languages used in business applications, not specifically related to mathematical thinking.
Option D: None of these is incorrect as functional programming is the correct answer.

1176. Comparing with secondary storage, primary storage is.....

Correct Answer: Correct answer is: (C) Fast and expensive.

Exam Relevance: Computer Architecture, Operating Systems, Data Structures

Difficulty: Moderate

Concept notes: Primary storage, also known as main memory, is faster and more expensive than secondary storage. It is directly accessible by the CPU and is used for active data processing.

Common Mistakes: Students may confuse primary storage with secondary storage, which is slower and less expensive.

Explanations: Primary storage is designed to be fast to allow quick access to data by the CPU. This speed comes at a higher cost compared to secondary storage, which is slower but more cost-effective for long-term data storage.

Option Analysis:

Option A: Incorrect because primary storage is not slow and inexpensive.
Option B: Incorrect because primary storage is not inexpensive.
Option C: Correct because primary storage is both fast and expensive.
Option D: Incorrect because not all options are correct.

1177. Which of the following is a general-purpose programming language designed by Sun Microsystems and well suited for use on the web.....

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

Exam Relevance: GRE, GMAT, IT Certification Exams

Difficulty: Easy

Concept notes: Java is a general-purpose programming language designed by Sun Microsystems, now owned by Oracle Corporation. It is well-suited for web development due to its platform independence and robustness.

Common Mistakes: Students may confuse Java with CSS, which is a style sheet language used for describing the look and formatting of a document written in HTML.

Explanations: Java is a general-purpose programming language that was designed to be platform-independent, meaning it can run on any device that supports the Java Virtual Machine (JVM). This makes it well-suited for web development, as it can be used to create applications that run on various platforms. CSS, on the other hand, is a style sheet language used for describing the presentation of a document written in HTML, and VBS Script is a scripting language developed by Microsoft, not a general-purpose programming language.

Option Analysis:

Option A: Java is the correct answer as it is a general-purpose programming language designed by Sun Microsystems and is well-suited for web development.
Option B: CSS is a style sheet language used for describing the look and formatting of a document written in HTML, not a general-purpose programming language.
Option C: VBS Script is a scripting language developed by Microsoft, not a general-purpose programming language designed for web development.
Option D: This option is incorrect as Java is the correct answer.

Mnemonic: Java: Just Another Very Agile language

1178. The term portability refers to

Correct Answer: Correct answer is: (A) How easy it is to carry around/transport the device.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Portability refers to the ease with which a device can be carried or transported.

Common Mistakes: Students may confuse portability with other device characteristics such as storage capacity or speed.

Explanations: The term portability specifically addresses the ease of carrying a device. It does not refer to the device's speed, storage capacity, or physical appearance.

Option Analysis:

Option A: Correct. Portability is about the ease of carrying the device.
Option B: Incorrect. Speed is a performance metric, not related to portability.
Option C: Incorrect. Storage capacity is about the amount of data the device can hold, not its portability.
Option D: Incorrect. The shininess of a device is related to its appearance, not its portability.

1179. Imagine a car as a computer, and its engine as a program. Which of the following is an input for the engine program?

Correct Answer: Correct answer is: (A) Gas pedal.

Exam Relevance: SAT, ACT, AP Physics

Difficulty: Easy

Concept notes: In the analogy of a car as a computer, the engine is the program that processes inputs to produce outputs. The gas pedal is an input device that controls the amount of fuel and air mixture entering the engine, thus affecting its performance.

Common Mistakes: Students might confuse the steering wheel or windshield wipers as inputs, but these do not directly control the engine's operation.

Explanations: The gas pedal is an input for the engine program because it directly controls the amount of fuel and air mixture entering the engine, which affects the engine's speed and power output. The other options (driver's seat, steering wheel, and windshield wipers) do not directly influence the engine's operation.

Option Analysis:

Option A: The gas pedal is an input for the engine program as it controls the fuel and air mixture entering the engine.
Option B: The driver's seat is not an input for the engine program; it is a part of the car's interior.
Option C: The steering wheel controls the direction of the car, not the engine's operation.
Option D: Windshield wipers are used to clear the windshield and do not affect the engine's operation.

1180. Which of these is not a sorting algorithm?

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

Exam Relevance: CS101, Data Structures, Algorithms

Difficulty: Easy

Concept notes: Sorting algorithms are methods used to rearrange elements in a specific order. Common sorting algorithms include Bubble Sort, Insertion Sort, and Merge Sort. Binary is not a sorting algorithm.

Common Mistakes: Students may confuse "Binary" with "Binary Search," which is a search algorithm, not a sorting algorithm.

Explanations: Bubble Sort, Insertion Sort, and Merge Sort are well-known sorting algorithms used to organize data in a specific order. Binary, on the other hand, refers to a base-2 numeral system and is not a sorting algorithm. Therefore, Binary is the correct answer as it is not a sorting algorithm.

Option Analysis:

Option A: Bubble Sort is a sorting algorithm that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.
Option B: Insertion Sort is a sorting algorithm that builds the final sorted array one item at a time by comparing each element with the ones before it and inserting it into its correct position.
Option C: Merge Sort is a sorting algorithm that divides the unsorted list into n sublists, each containing one element, and repeatedly merges sublists to produce new sorted sublists until there is only one sublist remaining.
Option D: Binary is not a sorting algorithm; it is a numeral system with a base of 2.

Mnemonic: BIM - Bubble, Insertion, Merge (not Binary)

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3 thoughts on “Information and Communication Technology MCQ - Set 118”

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 118”

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