Information and Communication Technology MCQ

791. Which of the following is an example of address range?

Correct Answer: Correct answer is: (A) A1: B3.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: In spreadsheet software, an address range refers to a group of cells defined by the top-left and bottom-right cell addresses separated by a colon.

Common Mistakes: Students may confuse the colon (:) with other symbols like semicolon (;) or hyphen (-) when defining a range.

Explanations: The correct format for an address range in spreadsheet software is to use a colon (:) to separate the top-left and bottom-right cell addresses. Therefore, A1: B3 is the correct format for an address range.

Option Analysis:

Option A: Correct. A1: B3 is the correct format for an address range in spreadsheet software.
Option B: Incorrect. A1; B3 uses a semicolon (;) which is not the correct symbol for defining a range.
Option C: Incorrect. A1-B3 uses a hyphen (-) which is not the correct symbol for defining a range.
Option D: Incorrect. None of the Above is not correct since A1: B3 is the correct format.

Mnemonic: Colon Connects Cells

792. The term that refers to physical equipment or components of an electronic data processing system?

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Very Easy

Concept notes: Hardware refers to the physical components of a computer system, such as the motherboard, CPU, memory, and storage devices.

Common Mistakes: Students may confuse hardware with software, which refers to the programs and data used by the computer.

Explanations: Hardware is the correct term for the physical components of an electronic data processing system. These components include tangible parts like the motherboard, CPU, memory, and storage devices. Software, on the other hand, refers to the programs and data used by the computer, while firmware is a type of software embedded in hardware devices. The central processing unit (CPU) is a specific component of hardware.

Option Analysis:

Option A: Software refers to the programs and data used by the computer, not the physical components.
Option B: Hardware is the correct term for the physical components of an electronic data processing system.
Option C: Firmware is a type of software embedded in hardware devices, not the physical components themselves.
Option D: The central processing unit (CPU) is a specific component of hardware, not the term for all physical components.

Mnemonic: HARDWARE: Hardware Are Real Devices, Wires, And Rigid Electronics.

793. What are the concentric circles on floppy disks know as?

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

Exam Relevance: Computer Science, Information Technology, Digital Literacy

Difficulty: Easy

Concept notes: Tracks on a floppy disk are concentric circles that store data.

Common Mistakes: Students may confuse tracks with sectors, which are segments within tracks.

Explanations: Tracks are the concentric circles on a floppy disk where data is stored. Each track is a circular path on the disk's surface that can hold a certain amount of data. The correct answer is tracks because they are the physical divisions on the disk that organize data storage.

Option Analysis:

Option A: Correct. Tracks are the concentric circles on a floppy disk.
Option B: Incorrect. Cylinders refer to the alignment of tracks across multiple platters in a hard drive, not floppy disks.
Option C: Incorrect. Sectors are segments within tracks, not the tracks themselves.
Option D: Incorrect. Segments is not a standard term used in describing floppy disk structure.

Mnemonic: Think "Tracks are like the rings on a tree, each one a circle."

794. Who is known as the father of supercomputer.....

Correct Answer: Correct answer is: (C) Seymour Cray.

Exam Relevance: Computer Science, Engineering, Information Technology

Difficulty: Moderate

Concept notes: Seymour Cray is known as the father of supercomputers due to his significant contributions to the development of high-performance computing systems.

Common Mistakes: Students may confuse Seymour Cray with other pioneers in computing, such as Gene Amdahl, who also made significant contributions to computer architecture.

Explanations: Seymour Cray is recognized for his pioneering work in the design and development of supercomputers. He founded Cray Research and designed some of the fastest computers in the world during the 1970s and 1980s. His innovations in computer architecture and cooling systems were crucial in advancing the field of supercomputing.

Option Analysis:

Option A: Gene Amdahl is known for Amdahl's Law and contributions to mainframe computers, not specifically for supercomputers.
Option B: Adam Dunkels is known for developing the Contiki operating system for embedded systems, not for supercomputers.
Option C: Seymour Cray is the correct answer as he is widely recognized as the father of supercomputers.
Option D: This option is incorrect as Seymour Cray is the correct answer.

Mnemonic: Cray = Supercomputer

795. Which of the memory holds the information when the Power Supply is switched off?

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

Exam Relevance: Computer Architecture, Digital Electronics, Computer Science Exams

Difficulty: Easy

Concept notes: EEROM (Electrically Erasable Read-Only Memory) retains data even when the power supply is switched off.

Common Mistakes: Students may confuse EEROM with RAM types, which do not retain data when power is off.

Explanations: EEROM is a type of non-volatile memory, meaning it retains data even when the power supply is switched off. This is in contrast to RAM (both Static and Dynamic), which loses data when power is removed.

Option Analysis:

Option A: Static RAM is volatile and loses data when power is off.
Option B: Dynamic RAM is also volatile and loses data when power is off.
Option C: EEROM retains data when power is off, making it the correct choice.
Option D: This option is incorrect as EEROM is the correct answer.

Mnemonic: EEROM - "Eternal Electrically Erasable, Retains On Memory"

796. Ctrl + A is for.....

Correct Answer: Correct answer is: (A) To Select Whole Area.

Exam Relevance: Microsoft Office Certification, Google Workspace Certification

Difficulty: Very Easy

Concept notes: The keyboard shortcut Ctrl + A is commonly used to select all content in a document or text area.

Common Mistakes: Students may confuse Ctrl + A with other keyboard shortcuts like Ctrl + B for bolding text.

Explanations: Ctrl + A is a standard keyboard shortcut used in many applications to select all content within a document or text area. This function is useful for quickly selecting all text or items in a file, making it easier to perform operations such as copying, deleting, or formatting the entire selection.

Option Analysis:

Option A: Correct. Ctrl + A selects the entire area of text or content.
Option B: Incorrect. Ctrl + B is used to make text bold.
Option C: Incorrect. Ctrl + A does have a specific function.
Option D: Incorrect. Not all options are correct.

Mnemonic: A for All, A for Area

797. An error in computer data is called

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

Exam Relevance: AP Computer Science, SAT Subject Test in Computer Science, A-Level Computing

Difficulty: Easy

Concept notes: An error in computer data or software is commonly referred to as a "bug."

Common Mistakes: Students may confuse "bug" with "bit" or "byte," which are related to data storage rather than errors.

Explanations: A "bug" is a term used in computing to describe an error, flaw, or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways. This term is widely used in the context of debugging and error correction in software development.

Option Analysis:

Option A: A "chip" refers to a small piece of silicon that contains integrated circuits, not an error in data.
Option B: A "bug" is the correct term for an error in computer data or software.
Option C: A "bit" is the smallest unit of data in computing, representing a binary digit (0 or 1), not an error.
Option D: A "byte" is a unit of digital information that most commonly consists of eight bits, not an error.

798. Which of the following is not a Computer language? (June-2008)

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

Exam Relevance: GATE, GRE, TOEFL

Difficulty: Easy

Concept notes: UNIX is an operating system, not a programming language.

Common Mistakes: Students may confuse UNIX with a programming language because it is often used in programming environments.

Explanations: UNIX is an operating system designed to manage computer hardware and software resources. It is not a programming language, which is a formal language used to write computer programs. PASCAL, FORTRAN, and COBOL are all programming languages used to create software applications.

Option Analysis:

Option A: PASCAL is a programming language.
Option B: UNIX is an operating system, not a programming language.
Option C: FORTRAN is a programming language.
Option D: COBOL is a programming language.

Mnemonic: UNIX OS, not code

799. The computer shows possible misspellings on the screen.

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The computer showing possible misspellings on the screen is an example of output, which is the process of displaying or transmitting data from a computer to a user or another device.

Common Mistakes: Students might confuse input with output, thinking that entering text into a computer is the same as the computer displaying information.

Explanations: The computer displaying possible misspellings on the screen is an output process. Output involves the computer presenting information to the user, such as displaying text, images, or other data on a screen. This is distinct from input, which involves the user providing data to the computer.

Option Analysis:

Option A: Input involves the user providing data to the computer, such as typing on a keyboard. This is not the correct answer because the question describes the computer showing information, not the user providing it.
Option B: Output involves the computer presenting information to the user, such as displaying text or images on a screen. This is the correct answer because the computer is showing possible misspellings on the screen.
Option C: Processing involves the computer performing operations on data, such as calculations or data manipulation. This is not the correct answer because the question describes the computer displaying information, not performing operations on it.
Option D: Storage involves saving data for later use, such as on a hard drive or in memory. This is not the correct answer because the question describes the computer displaying information, not saving it.

800. Which sorting algorithm splits a list of items into individual lists?

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

Exam Relevance: AP Computer Science, SAT Subject Test in Computer Science, A-Level Computing

Difficulty: Moderate

Concept notes: Merge sort is a divide-and-conquer algorithm that splits a list into individual elements and then merges them back together in sorted order.

Common Mistakes: Students may confuse merge sort with other sorting algorithms like bubble sort or insertion sort, which do not involve splitting the list into individual elements.

Explanations: Merge sort works by recursively dividing the list into smaller sublists until each sublist contains a single element. It then merges these sublists back together in sorted order. This process of splitting the list into individual elements and then merging them is a key characteristic of merge sort.

Option Analysis:

Option A: Merge sort splits a list into individual elements and then merges them back together in sorted order.
Option B: Bubble sort repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order. It does not split the list into individual elements.
Option C: Insertion sort 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. It does not split the list into individual elements.
Option D: This option is incorrect as merge sort is the correct answer.

Mnemonic: Divide and Conquer: Merge

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3 thoughts on “Information and Communication Technology MCQ - Set 80”

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 80”

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