Information and Communication Technology MCQ

691. The circuitry that includes the CPU and memory chips is located on the:

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

Exam Relevance: AP Computer Science Principles, A+ Certification Exam

Difficulty: Easy

Concept notes: The motherboard is the main circuit board of a computer that houses the CPU, memory chips, and other essential components.

Common Mistakes: Students may confuse the motherboard with the system unit, which is the case that houses the motherboard and other components.

Explanations: The motherboard is the primary circuit board in a computer that connects and supports the CPU, memory chips, and other hardware components. It provides the necessary pathways for data and power to flow between these components. The CPU and memory chips are directly mounted on the motherboard, making it the correct answer.

Option Analysis:

Option A: The system unit is the case that houses the motherboard and other components, not the circuitry itself.
Option B: The operating system is software, not hardware, and does not include the CPU and memory chips.
Option C: The motherboard is the correct answer as it is the circuit board that houses the CPU and memory chips.
Option D: The computer platform refers to the hardware and software environment, not specifically the circuitry that includes the CPU and memory chips.

692. Which disk is created using laser beam?

Correct Answer: Correct answer is: (A) CD-ROM.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: CD-ROMs are created using a laser beam to etch pits into a reflective surface, which can then be read by a laser in a CD-ROM drive.

Common Mistakes: Students may confuse CD-ROMs with magnetic disks, which use magnetic fields to store data rather than laser etching.

Explanations: CD-ROMs are created using a laser beam to etch pits into a reflective surface. This process allows the data to be stored in a way that can be read by a laser in a CD-ROM drive. Magnetic disks and hard disks, on the other hand, use magnetic fields to store data, not a laser beam.

Option Analysis:

Option A: Correct. CD-ROMs are created using a laser beam to etch pits into a reflective surface.
Option B: Incorrect. Magnetic disks use magnetic fields to store data, not a laser beam.
Option C: Incorrect. Hard disks use magnetic fields to store data, not a laser beam.
Option D: Incorrect. This option is not applicable as CD-ROMs are created using a laser beam.

Mnemonic: Laser Etch, CD-ROM, Reflective Pits

693. What is one advantage of using fiber-optic cable in networks?

Correct Answer: Correct answer is: (D) It is capable of higher data rates than either coaxial or twisted-pair cable.

Exam Relevance: Network+ Certification, CCNA, CompTIA A+

Difficulty: Moderate

Concept notes: Fiber-optic cables use light to transmit data, which allows for significantly higher data rates compared to traditional copper cables like coaxial and twisted-pair.

Common Mistakes: Students may mistakenly believe that fiber-optic cables are less expensive or easier to install than other types of cables, which is not accurate.

Explanations: Fiber-optic cables transmit data using light pulses, which can travel at very high speeds over long distances without significant signal degradation. This capability allows fiber-optic cables to support much higher data rates compared to coaxial and twisted-pair cables, which use electrical signals that are more prone to interference and attenuation.

Option Analysis:

Option A: Fiber-optic cables are generally more expensive than coaxial or twisted-pair cables due to the cost of materials and installation.
Option B: Fiber-optic cables are not necessarily easier to install; they require specialized equipment and expertise.
Option C: While fiber-optic cables are widely used, they are not as readily available at general electronics stores as coaxial or twisted-pair cables.
Option D: Fiber-optic cables can support higher data rates due to their use of light pulses for data transmission, which is less susceptible to interference and can travel at higher speeds.

Mnemonic: Light Speed Fiber

694. A data packet header will not contain.....

Correct Answer: Correct answer is: (D) The senders name.

Exam Relevance: Computer Networks, Data Communications, Network Security

Difficulty: Easy

Concept notes: Data packet headers contain essential information for routing and identifying packets, but they do not include the sender's name.

Common Mistakes: Students may mistakenly believe that the sender's name is included in the header for identification purposes.

Explanations: Data packet headers include fields such as the sending address, recipient address, and packet number, which are necessary for routing and identifying packets. However, the sender's name is not included because it is not a standardized or necessary piece of information for the packet's transmission and delivery.

Option Analysis:

Option A: The sending address is included in the header for routing purposes.
Option B: The packet number is included in the header to track and sequence packets.
Option C: The recipient address is included in the header to ensure the packet reaches the correct destination.
Option D: The sender's name is not included in the header as it is not a standardized or necessary piece of information for packet transmission.

695. Which of the following is the definition of pseudocode?

Correct Answer: Correct answer is: (B) A language that is similar to a real programming language, but is easier for humans to understand although it doesn't actually run on a computer. It can easily be converted to a regular programming language.

Exam Relevance: AP Computer Science, IB Computer Science, GCSE Computer Science

Difficulty: Easy

Concept notes: Pseudocode is a simplified, high-level description of a computer program or algorithm that uses natural language and programming constructs to outline the steps of a process.

Common Mistakes: Students often confuse pseudocode with actual programming code or comments within code.

Explanations: Pseudocode is a tool used to plan and design algorithms before writing actual code. It is not executable but serves as a blueprint that can be easily translated into a programming language. This makes it easier for humans to understand the logic and flow of the program without the need to adhere to strict syntax rules.

Option Analysis:

Option A: This describes a variable, not pseudocode.
Option B: This correctly defines pseudocode as a human-readable, non-executable language that can be converted into a programming language.
Option C: This describes a constant, not pseudocode.
Option D: This describes comments in code, not pseudocode.

696. The term 'giga byte' equals to.....

Correct Answer: Correct answer is: (C) 1024 MB.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: The term 'giga byte' (GB) is a unit of digital information that equals 1024 megabytes (MB).

Common Mistakes: Students often confuse the conversion between different units of digital storage, such as kilobytes (KB), megabytes (MB), and gigabytes (GB).

Explanations: A gigabyte (GB) is defined as 1024 megabytes (MB). This is based on the binary system used in computing, where each unit is 1024 times larger than the previous one. Therefore, 1 GB = 1024 MB.

Option Analysis:

Option A: 1024 KB is incorrect because 1024 KB equals 1 MB, not 1 GB.
Option B: 1024 GB is incorrect because it is a much larger unit than a single gigabyte.
Option C: 1024 MB is correct because 1 GB is defined as 1024 MB.
Option D: All the above is incorrect because not all options are correct.

Mnemonic: Giga Giggle: 1024 MB makes a giggle (GB).

697. HDMI stands for

Correct Answer: Correct answer is: (C) High-Definition Multimedia Interface.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: HDMI is a widely used digital interface for transmitting audio and video data from a source device to a display device.

Common Mistakes: Students may confuse HDMI with other similar acronyms or terms related to digital interfaces.

Explanations: HDMI stands for High-Definition Multimedia Interface. It is a digital interface that allows for the transmission of high-definition video and audio signals between devices. The term "High-Definition Multimedia Interface" accurately describes its function and purpose.

Option Analysis:

Option A: Incorrect, as HDMI does not stand for High-Definition Multimedia Input.
Option B: Incorrect, as HDMI does not stand for High-Density Multichip Interconnect.
Option C: Correct, as HDMI stands for High-Definition Multimedia Interface.
Option D: Incorrect, as HDMI does not stand for High-Definition Multichip Interconnect.

698. Which of the following is not processing?

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

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: Processing involves manipulating, arranging, or calculating data. Gathering is the act of collecting data, which is a separate step before processing.

Common Mistakes: Students may confuse gathering with processing because both involve handling data, but gathering is the initial step of collecting data, not manipulating it.

Explanations: Processing refers to the actions taken on data after it has been gathered, such as arranging, manipulating, or calculating. Gathering, on the other hand, is the act of collecting data, which is a prerequisite step before any processing can occur. Therefore, gathering is not considered a form of processing.

Option Analysis:

Option A: Arranging is a form of processing as it involves organizing data.
Option B: Manipulating is a form of processing as it involves changing or transforming data.
Option C: Calculating is a form of processing as it involves performing mathematical operations on data.
Option D: Gathering is not a form of processing; it is the act of collecting data.

699. What does FAT stands for?

Correct Answer: Correct answer is: (B) File allocation table.

Exam Relevance: AP Computer Science, A+ Certification, CompTIA A+

Difficulty: Easy

Concept notes: FAT stands for File Allocation Table, which is a file system used to manage how data is stored and retrieved on a disk.

Common Mistakes: Students may confuse FAT with other file system terms or acronyms, such as FAT32 or NTFS.

Explanations: FAT is a file system that organizes and tracks the storage of files on a disk. It uses a table to keep track of the allocation of clusters on the disk, which helps in managing file storage and retrieval efficiently. The acronym FAT directly corresponds to "File Allocation Table," making it the correct answer.

Option Analysis:

Option A: File attribute type is incorrect as it does not relate to the file system's method of managing file storage.
Option B: File allocation table is the correct answer as it accurately describes the function of FAT in managing file storage on a disk.
Option C: Format All Tabs settings is incorrect as it does not relate to the file system's method of managing file storage.
Option D: File for all type is incorrect as it does not accurately describe the function of FAT.

Mnemonic: FAT: Find All Tracks

700. ..... is a generic term for organized collection of computer data and instructions.

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

Exam Relevance: Computer Science, Information Technology, Software Engineering

Difficulty: Easy

Concept notes: Software is a generic term for organized collections of computer data and instructions.

Common Mistakes: Students may confuse software with hardware, which refers to physical computer components.

Explanations: Software encompasses all types of computer programs and data that instruct a computer to perform specific tasks. It includes applications, operating systems, and system utilities. Firmware, while a type of software, is more specific to embedded systems and is not a generic term. Hardware refers to the physical components of a computer system, not the data and instructions.

Option Analysis:

Option A: Firmware is a type of software embedded in hardware devices, not a generic term for all software.
Option B: Software is the correct term for organized collections of computer data and instructions.
Option C: Hardware refers to the physical components of a computer system, not the data and instructions.
Option D: None of the above is incorrect because software is the correct term.

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3 thoughts on “Information and Communication Technology MCQ - Set 70”

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 70”

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