Information and Communication Technology MCQ

141. Which of the following memory has stored data in large number?

Correct Answer: Correct answer is: (C) Hard Disk.

Exam Relevance: GRE, GMAT, Computer Science Exams

Difficulty: Easy

Concept notes: Hard disks are storage devices that can store large amounts of data, making them suitable for long-term storage of files and programs.

Common Mistakes: Students may confuse cache memory or ROM with hard disks, as both are types of memory, but cache and ROM have much smaller storage capacities.

Explanations: Hard disks are designed to store large amounts of data, including files, programs, and operating systems. They have significantly larger storage capacities compared to ROM and cache memory. ROM (Read-Only Memory) is used for storing firmware and has limited storage capacity. Cache memory is a small, fast memory used to speed up data access but has a very limited storage capacity. Therefore, the correct answer is Hard Disk.

Option Analysis:

Option A: ROM is used for storing firmware and has limited storage capacity.
Option B: Cache memory is a small, fast memory used to speed up data access but has a very limited storage capacity.
Option C: Hard disks are designed to store large amounts of data, making them suitable for long-term storage.
Option D: None of the Above is incorrect as Hard Disk is the correct answer.

142. A standard tape recorder used to save or load computer information is known as

Correct Answer: Correct answer is: (B) Cassette drive.

Exam Relevance: AP Computer Science Principles, A Level Computing

Difficulty: Easy

Concept notes: A cassette drive is a device used to read and write data on magnetic tape cassettes, which were commonly used for saving and loading computer information in the past.

Common Mistakes: Students might confuse magnetic tape with a cassette drive, as both use magnetic tape, but a cassette drive is specifically designed for cassettes.

Explanations: A cassette drive is the correct answer because it is a device specifically designed to handle magnetic tape cassettes, which were used to save and load computer information. Magnetic tape (Option A) is a broader term that includes various types of tape, not just cassettes. Punched paper tape (Option C) and card punch (Option D) are older technologies used for data storage and input, but they are not related to magnetic tape cassettes.

Option Analysis:

Option A: Magnetic tape is a broader term and not specific to cassettes.
Option B: Cassette drive is the correct device for handling magnetic tape cassettes.
Option C: Punched paper tape is an older technology not related to magnetic tape cassettes.
Option D: Card punch is used for inputting data on punch cards, not for magnetic tape cassettes.

Mnemonic: Cassette for Computers, C for Cassettes.

143. An application that locates information about Web pages and then stores this information in searchable databases that you can access from your browsers is called.....

Correct Answer: Correct answer is: (A) Search Engine.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: A search engine is a software system that searches for information on the internet and returns a list of relevant results.

Common Mistakes: Students may confuse a search engine with a domain, which is a specific part of the internet identified by a name.

Explanations: A search engine is designed to locate information about Web pages and store this information in searchable databases. This allows users to access and search this information through their browsers. Therefore, the correct answer is a search engine.

Option Analysis:

Option A: Correct. A search engine is the application that locates and stores information about Web pages in searchable databases.
Option B: Incorrect. A domain is a part of the internet identified by a name, not an application that searches for information.
Option C: Incorrect. This option is not applicable as the correct answer is provided.
Option D: Incorrect. This option is not applicable as the correct answer is provided.

144. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is.....

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

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: A worm is a type of self-replicating program that can spread across networks without user intervention. This concept is derived from John Brunner's 1970s science fiction novel "The Shockwave Rider."

Common Mistakes: Students may confuse the term "worm" with "virus," as both are types of malicious software. However, a worm operates independently and does not require a host program to spread.

Explanations: In "The Shockwave Rider," the term "worm" was used to describe a self-replicating program that could spread through a network. This concept aligns with the modern definition of a worm, which is a type of malware that can replicate itself and spread across networks without needing a host program. The other options (bug, vice, lice) do not accurately describe this self-replicating program.

Option Analysis:

Option A: A bug is a software error or flaw, not a self-replicating program.
Option B: Vice is a moral weakness or bad habit, not related to computer programs.
Option C: Lice are parasitic insects, not a type of software.
Option D: A worm is a self-replicating program that can spread across networks, matching the description from the novel.

Mnemonic: Worms Walk Without Worry, Worms Wriggle Wildly

145. The Command to access the memory or the I/O device is carried by.....

Correct Answer: Correct answer is: (B) Control Bus.

Exam Relevance: Computer Architecture, Digital Systems, Computer Organization

Difficulty: Moderate

Concept notes: The Control Bus is responsible for carrying the commands that control the flow of data between the CPU and memory or I/O devices.

Common Mistakes: Students often confuse the Control Bus with the Data Bus, which is used for transferring actual data, not commands.

Explanations: The Control Bus carries the commands that instruct the memory or I/O devices to perform specific actions, such as read or write operations. The Data Bus, on the other hand, is used for transferring the actual data between the CPU and memory or I/O devices. The Control Bus ensures that the correct operations are performed at the right time, making it essential for the proper functioning of the system.

Option Analysis:

Option A: The Data Bus is used for transferring data, not commands.
Option B: The Control Bus carries the commands to access memory or I/O devices.
Option C: This option is incorrect as the Control Bus is the correct answer.
Option D: This option is incorrect as the Control Bus is the only correct choice.

Mnemonic: Control Bus = Command Control

146. A part located in the central processing unit that stores data& information is known as

Correct Answer: Correct answer is: (A) Core memory.

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

Difficulty: Moderate

Concept notes: Core memory is a type of early magnetic memory technology used in computers to store data and information. It was widely used in the 1950s and 1960s before being replaced by semiconductor memory.

Common Mistakes: Students may confuse core memory with other types of memory like ROM, PROM, or EPROM, which are also used to store data but have different characteristics and functions.

Explanations: Core memory is a correct answer because it refers to a specific type of memory technology used in the central processing unit (CPU) to store data and information. Core memory uses small magnetic rings (cores) to store bits of data, which can be read and written magnetically. This technology was a significant advancement in early computing, providing a reliable and relatively fast method of data storage.

Option Analysis:

Option A: Core memory is the correct answer as it refers to a type of magnetic memory used in early computers.
Option B: PROM (Programmable Read-Only Memory) is a type of memory that can be programmed once and is not typically used for dynamic data storage in the CPU.
Option C: EPROM (Erasable Programmable Read-Only Memory) is a type of memory that can be erased and reprogrammed, but it is not typically used for dynamic data storage in the CPU.
Option D: ROM (Read-Only Memory) is a type of memory used to store firmware or software that does not need to be changed, and it is not typically used for dynamic data storage in the CPU.

147. Which of the following would indicate that the motherboard battery has failed?

Correct Answer: Correct answer is: (D) Hardware settings, including the current date and time reverts to default values.

Exam Relevance: CompTIA A+, CCNA, CIW

Difficulty: Moderate

Concept notes: The motherboard battery, also known as the CMOS battery, is crucial for maintaining the BIOS settings and the system clock when the computer is powered off. When the battery fails, the system loses the ability to retain these settings.

Common Mistakes: Students may confuse the motherboard battery's function with the hard drive's power supply, leading to the incorrect belief that data loss on the hard drive is related to the battery.

Explanations: The motherboard battery is responsible for maintaining the BIOS settings and the system clock. When the battery fails, the system loses the ability to retain these settings, including the current date and time. This is why the correct answer is that hardware settings, including the current date and time, revert to default values.

Option Analysis:

Option A: Operating system passwords are not stored in the BIOS and are not affected by the motherboard battery.
Option B: Files on the hard disk are not affected by the motherboard battery and are stored separately.
Option C: Virtual memory settings are not part of the BIOS settings and are managed by the operating system.
Option D: Correct. The motherboard battery maintains BIOS settings, including the current date and time, which revert to default values when the battery fails.

Mnemonic: CMOS Clocks Out, Time Resets (CCOTR)

148. Printer resolution is usually measured in.....

Correct Answer: Correct answer is: (C) Dots Per Inch (DPI).

Exam Relevance: GED, SAT, ACT

Difficulty: Easy

Concept notes: Printer resolution is a measure of the sharpness and clarity of the printed image, typically expressed in dots per inch (DPI).

Common Mistakes: Students may confuse DPI with PPI (Pixels Per Inch), which is used for screen resolution, not printer resolution.

Explanations: Printer resolution is measured in Dots Per Inch (DPI). DPI indicates the number of dots a printer can produce within a linear inch. This measurement is crucial for determining the quality and clarity of the printed output. Pixels Per Inch (PPI) is a different metric used for screen resolution, not printer resolution.

Option Analysis:

Option A: Pixels Per Inch (PPI) is used for screen resolution, not printer resolution.
Option B: Pages Per Minute (PPM) is a measure of printer speed, not resolution.
Option C: Dots Per Inch (DPI) is the correct measure for printer resolution.
Option D: All the above is incorrect because only DPI is the correct measure for printer resolution.

Mnemonic: DPI for Print, PPI for Screen.

149. Microsoft Office and similar software is an example of:

Correct Answer: Correct answer is: (A) Off the shelf.

Exam Relevance: ITIL, CompTIA A+, CISSP

Difficulty: Easy

Concept notes: Off-the-shelf software refers to commercial software products that are ready for use and available for purchase without customization.

Common Mistakes: Students may confuse off-the-shelf software with bespoke software, which is custom-made for specific needs.

Explanations: Microsoft Office and similar software are examples of off-the-shelf software because they are commercially available, pre-packaged solutions that do not require customization for general use.

Option Analysis:

Option A: Correct. Off-the-shelf software is commercially available and ready for use without customization.
Option B: Incorrect. Bespoke software is custom-made for specific needs and not commercially available in a ready-to-use form.
Option C: Incorrect. Open source software is freely available and can be modified, but it is not necessarily a commercial product.
Option D: Incorrect. The correct answer is provided among the options.

150. The assembly language uses symbols instead of numbers which are known as

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

Exam Relevance: Computer Architecture, Assembly Language Programming, Computer Science Exams

Difficulty: Easy

Concept notes: In assembly language, symbols that represent machine instructions are called mnemonics.

Common Mistakes: Students may confuse mnemonics with other programming language elements like compilers or interpreters.

Explanations: Assembly language uses symbols known as mnemonics to represent machine instructions. These symbols are easier for programmers to remember and use compared to binary codes. Mnemonics are not the same as compilers or interpreters, which are tools used to translate high-level programming languages into machine code.

Option Analysis:

Option A: A compiler is a program that translates high-level programming languages into machine code, not a symbol used in assembly language.
Option B: Mnemonics are the symbols used in assembly language to represent machine instructions.
Option C: An interpreter is a program that directly executes instructions written in a programming or scripting language without previously compiling them into a machine language program, not a symbol used in assembly language.
Option D: This option is incorrect as only mnemonics are the correct symbols used in assembly language.

Mnemonic: Mnemonic: "Mnemonics Make Memory Easier"

⬅ Previous SetSet 15Next Set ➡

3 thoughts on “Information and Communication Technology MCQ - Set 15”

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 15”

Leave a Reply