Information and Communication Technology MCQ

761. Once you load the suitable program and provide required data, computer does not need human intervention. This feature is known as

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The feature of a computer system that allows it to operate without human intervention once the program and data are provided is known as automatic operation.

Common Mistakes: Students may confuse automatic operation with reliability, which refers to the consistency and dependability of the system.

Explanations: Once a suitable program and the necessary data are loaded into a computer, the system can perform tasks without further human intervention. This characteristic is referred to as automatic operation. The computer follows the instructions in the program to process the data, making it an automatic system.

Option Analysis:

Option A: Accuracy refers to the correctness of the output, not the ability to operate without human intervention.
Option B: Reliability refers to the consistency and dependability of the system, not the ability to operate without human intervention.
Option C: Versatility refers to the ability of the computer to perform a wide range of tasks, not the ability to operate without human intervention.
Option D: Automatic operation is the correct term for the feature where the computer can perform tasks without further human intervention once the program and data are provided.

762. Which of the items below are considered removable storage media?

Correct Answer: Correct answer is: (D) All of the above.

Exam Relevance: Computer Science, Information Technology, Data Management

Difficulty: Easy

Concept notes: Removable storage media refers to storage devices that can be easily removed from a computer or other electronic devices. These devices are portable and can be used to store and transfer data between different systems.

Common Mistakes: Students may mistakenly believe that only one type of storage media is removable, overlooking the variety of removable storage options available.

Explanations: Removable hard disk cartridges, magneto-optical disks, and flexible disks cartridges are all examples of removable storage media. Each of these devices can be physically removed from a computer system and used to store and transfer data. Therefore, the correct answer is that all of the above are considered removable storage media.

Option Analysis:

Option A: Removable hard disk cartridges are indeed a form of removable storage media.
Option B: Magneto-optical disks are also a form of removable storage media.
Option C: Flexible disks cartridges are another form of removable storage media.
Option D: Since all the listed options are forms of removable storage media, the correct answer is "All of the above."

Mnemonic: RHF: Removable Hard, Flexible, Optical

763. Mark I is also known as

Correct Answer: Correct answer is: (D) Automatic Sequence Controlled Calculator.

Exam Relevance: Computer Science, History of Computing, Undergraduate Exams

Difficulty: Easy

Concept notes: Mark I, also known as the Automatic Sequence Controlled Calculator, was an early electromechanical computer developed in the 1940s.

Common Mistakes: Students may confuse the name with other early computing devices or misremember the specific term.

Explanations: Mark I was developed by Howard Aiken and was one of the first large-scale automatic digital computers. It was officially named the Automatic Sequence Controlled Calculator, reflecting its ability to perform calculations automatically based on a sequence of instructions.

Option Analysis:

Option A: Incorrect. The term "American Sequence Controlled Calculator" is not accurate for Mark I.
Option B: Incorrect. The term "Automatic Sequence Calculating Controller" is not the correct name for Mark I.
Option C: Incorrect. The term "American Sequence Controlled Computer" is not the correct name for Mark I.
Option D: Correct. The term "Automatic Sequence Controlled Calculator" is the official name for Mark I.

Mnemonic: ASCC for Automatic Sequence Controlled Calculator.

764. What is full form of ISDN.....

Correct Answer: Correct answer is: (A) Integrated Services Digital Network.

Exam Relevance: ITIL Foundation, CompTIA Network+, CCNA

Difficulty: Very Easy

Concept notes: ISDN stands for Integrated Services Digital Network, which is a set of communication standards for sending voice, video, data, and other network services over digital telephone lines or traditional telephone lines.

Common Mistakes: Students may confuse ISDN with other similar acronyms or may not be familiar with the term, leading to incorrect selection of options B or C.

Explanations: The correct answer is Integrated Services Digital Network because ISDN is a telecommunications standard that allows digital transmission of voice and data over ordinary telephone copper wire. It is designed to provide end-to-end digital connectivity for a wide range of services.

Option Analysis:

Option A: Correct. ISDN stands for Integrated Services Digital Network.
Option B: Incorrect. Inter Services Digital Network is not a recognized term.
Option C: Incorrect. Integrated Server Digital Network is not a recognized term.
Option D: Incorrect. The correct answer is provided in Option A.

765. The instructions for starting the computer are housed on.....

Correct Answer: Correct answer is: (C) Read Only Memory.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Read Only Memory (ROM) is a type of non-volatile memory that retains data even when the power is turned off. It is used to store the instructions for starting the computer, known as the BIOS (Basic Input/Output System).

Common Mistakes: Students may confuse ROM with RAM (Random Access Memory), which is volatile and does not retain data when the power is off.

Explanations: The instructions for starting the computer are stored in the BIOS, which is located in the Read Only Memory (ROM). This ensures that the instructions are always available when the computer is powered on, even if the system has been shut down.

Option Analysis:

Option A: Secondary Memory is used for long-term storage and does not contain the startup instructions.
Option B: Cache is a high-speed volatile memory used for temporary storage of frequently accessed data, not for startup instructions.
Option C: Read Only Memory (ROM) is the correct choice as it stores the BIOS, which contains the instructions for starting the computer.
Option D: This option is incorrect as the correct answer is provided by ROM.

766. In what respect computers are superior to human beings?

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

Exam Relevance: GRE, GMAT, CAT, Competitive Programming Exams

Difficulty: Easy

Concept notes: Computers are superior to human beings in terms of diligence because they can perform repetitive tasks without getting tired or making errors due to fatigue.

Common Mistakes: Students may mistakenly believe that computers are superior in intelligence, but while computers can process information quickly, they lack the creativity and adaptability of human intelligence.

Explanations: Computers excel in performing repetitive tasks with high accuracy and without the need for breaks or rest. This characteristic is known as diligence. Unlike humans, who may become fatigued or make errors after prolonged repetitive work, computers can maintain consistent performance over long periods. Therefore, the correct answer is diligence.

Option Analysis:

Option A: Correct. Computers are diligent in performing repetitive tasks without errors due to fatigue.
Option B: Incorrect. While computers can process information quickly, they do not possess human-like intelligence, creativity, or adaptability.
Option C: Incorrect. Computers are not superior in both diligence and intelligence.
Option D: Incorrect. This option is not correct as computers are indeed superior in diligence.

Mnemonic: Diligent Drones Don't Drowse

767. What are two primary disadvantages of a cellular-enabled tablet compared to a Wi-Fi-Only tablet? (Choose two)

Correct Answer: Correct answer is: (D) Only (A) & (B).

Exam Relevance: GRE, GMAT, IT Certification Exams

Difficulty: Easy

Concept notes: The primary disadvantages of a cellular-enabled tablet compared to a Wi-Fi-Only tablet are the higher initial cost and the need for a monthly data plan subscription.

Common Mistakes: Students may mistakenly believe that a cellular-enabled tablet cannot connect to Wi-Fi, which is incorrect.

Explanations: A cellular-enabled tablet has two main disadvantages: it costs more to purchase due to the additional cellular hardware and capabilities, and it requires a monthly data plan subscription to maintain cellular connectivity. Option C is incorrect because cellular-enabled tablets can still connect to Wi-Fi networks.

Option Analysis:

Option A: A cellular-enabled tablet does cost more money to purchase due to the cellular hardware and capabilities.
Option B: A cellular-enabled tablet requires a monthly data plan subscription to maintain cellular connectivity.
Option C: This is incorrect because cellular-enabled tablets can still connect to Wi-Fi networks.
Option D: This is the correct choice as it correctly identifies the two primary disadvantages of a cellular-enabled tablet.

768. Digital video consists of a series of.....

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Digital video is composed of a sequence of still images, known as frames, that are displayed in rapid succession to create the illusion of motion.

Common Mistakes: Students may confuse frames with captures or pictures, which are not the correct term for the individual still images in a digital video.

Explanations: Digital video consists of a series of frames. Each frame is a still image that, when displayed in quick succession, creates the appearance of motion. This is the fundamental principle behind digital video technology.

Option Analysis:

Option A: Captures are not the correct term for the individual still images in a digital video.
Option B: Frames are the correct term for the individual still images that make up a digital video.
Option C: Pictures is a general term and not specific to the context of digital video.
Option D: None of these is incorrect as frames are the correct term.

769. Which class has the largest number of hosts ?

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

Exam Relevance: CCNA, CISSP, CompTIA Network+

Difficulty: Moderate

Concept notes: Class A has the largest number of hosts because it has the smallest network portion and the largest host portion in its IP address structure.

Common Mistakes: Students often confuse the number of networks with the number of hosts, leading to incorrect selection of Class B or C.

Explanations: Class A IP addresses have the first octet ranging from 1 to 126. This leaves three octets (24 bits) for the host portion. The maximum number of hosts in a Class A network is 2^24 - 2, which is significantly larger than the number of hosts in Class B (2^16 - 2) and Class C (2^8 - 2). Therefore, Class A has the largest number of hosts.

Option Analysis:

Option A: Correct. Class A has the largest number of hosts due to its 24-bit host portion.
Option B: Incorrect. Class B has a 16-bit host portion, which is smaller than Class A's 24-bit host portion.
Option C: Incorrect. Class C has an 8-bit host portion, which is much smaller than Class A's 24-bit host portion.
Option D: Incorrect. Class D is reserved for multicast addresses and does not have a host portion.

Mnemonic: A for All, B for Big, C for Common, D for Dedicated

770. Which commands can be used to bring a grid of cells from a spreadsheet into your document?

Correct Answer: Correct answer is: (A) Copy and Paste.

Exam Relevance: Microsoft Office Certification, Google Workspace Certification

Difficulty: Easy

Concept notes: The correct answer is Copy and Paste because these commands are used to transfer data from one location to another within a document or between different documents.

Common Mistakes: Students may mistakenly choose Insert and Special Characters, thinking it is related to inserting data, but this option is for inserting special symbols and characters, not for transferring data.

Explanations: Copy and Paste commands are used to bring a grid of cells from a spreadsheet into a document. Copying the cells from the spreadsheet and pasting them into the document allows for the transfer of data in a structured format. The other options do not serve this purpose.

Option Analysis:

Option A: Correct. Copy and Paste commands are used to transfer data from one location to another.
Option B: Incorrect. Insert and Special Characters are used for inserting special symbols and characters, not for transferring data.
Option C: Incorrect. Open and Close are used for opening and closing files, not for transferring data.
Option D: Incorrect. Insert and View are not standard commands for transferring data.

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3 thoughts on “Information and Communication Technology MCQ - Set 77”

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 77”

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