Information and Communication Technology MCQ

1111. Benefits of anti-virus software

Correct Answer: Correct answer is: (A) Protection from Viruses, Protecting Personal Information, Cost Savings, Convenience.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Anti-virus software provides essential protection against malicious software, safeguards personal data, can reduce costs associated with malware infections, and offers user-friendly interfaces for ease of use.

Common Mistakes: Students may confuse the benefits of anti-virus software with the types of operating systems it can protect, or they may overlook the broader benefits beyond just virus protection.

Explanations: Anti-virus software is designed to protect against viruses and other forms of malware, which can compromise personal information and lead to financial loss. By preventing these threats, it also helps in cost savings by avoiding the need for expensive repairs or data recovery services. Additionally, modern anti-virus software is designed to be user-friendly, offering convenience to users.

Option Analysis:

Option A: This option correctly identifies the key benefits of anti-virus software.
Option B: This option lists operating systems, not benefits of anti-virus software.
Option C: This option incorrectly suggests that anti-virus software is harder and more expensive to maintain, which is not a general characteristic.
Option D: This option includes some aspects related to file management and performance, but does not fully capture the core benefits of anti-virus software.

1112. What is Abstraction?

Correct Answer: Correct answer is: (B) Representing 'real world' problems in a computer using variables and symbols and removing unnecessary elements from the problem.

Exam Relevance: AP Computer Science, IB Computer Science, A-Level Computing

Difficulty: Moderate

Concept notes: Abstraction is a fundamental concept in computer science that involves simplifying complex real-world problems by focusing on the essential features and ignoring irrelevant details.

Common Mistakes: Students often confuse abstraction with other problem-solving techniques like decomposition or algorithm design.

Explanations: Abstraction involves representing real-world problems in a computer using variables and symbols, while removing unnecessary elements. This process allows for the creation of simplified models that can be more easily understood and manipulated by a computer. By focusing on the essential features of a problem, abstraction enables the development of efficient and effective solutions.

Option Analysis:

Option A: This option describes the general use of computers to solve problems, which is not specific to abstraction.
Option B: This option correctly defines abstraction as representing real-world problems in a computer using variables and symbols, while removing unnecessary elements.
Option C: This option describes decomposition, which is breaking down a large problem into smaller sub-problems, not abstraction.
Option D: This option describes algorithm design, which is identifying the steps involved in solving a problem, not abstraction.

1113. Which of the following will happen when data is entered into a memory location?

Correct Answer: Correct answer is: (C) It will erase the previous content.

Exam Relevance: Computer Architecture, Operating Systems, Data Structures

Difficulty: Easy

Concept notes: When data is entered into a memory location, the previous content is overwritten.

Common Mistakes: A common misunderstanding is that memory locations can store multiple pieces of data simultaneously.

Explanations: Memory locations in a computer system are designed to hold a single piece of data at a time. When new data is written to a memory location, the previous data is erased and replaced by the new data. This is a fundamental principle of how memory works in digital systems.

Option Analysis:

Option A: Memory locations do not add to the content; they replace it.
Option B: Writing data to a memory location does not change its address.
Option C: This is correct because writing new data to a memory location overwrites the previous content.
Option D: Writing data to a memory location is always fruitful, regardless of previous content.

1114. Which disk interface standard includes support for up to eight peripheral devices?

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

Exam Relevance: Computer Architecture, Operating Systems, Computer Hardware Exams

Difficulty: Moderate

Concept notes: SCSI (Small Computer System Interface) is a standard interface for connecting and transferring data between computers and peripheral devices.

Common Mistakes: Students may confuse SCSI with other disk interface standards like IDE or ESDI, which do not support as many peripheral devices.

Explanations: SCSI supports up to eight peripheral devices on a single bus, making it suitable for environments requiring multiple device connections. This feature distinguishes it from other interface standards like IDE, which typically supports only two devices per channel.

Option Analysis:

Option A: ST50G/412 is not a standard interface for multiple peripheral devices.
Option B: IDE (Integrated Drive Electronics) typically supports only two devices per channel, not up to eight.
Option C: SCSI supports up to eight peripheral devices on a single bus, making it the correct answer.
Option D: ESDI (Enhanced Small Device Interface) is an older interface standard and does not support up to eight peripheral devices.

Mnemonic: SCSI: Small Computers, Several Interfaces

1115. Information Technology merges the study of all of the following EXCEPT

Correct Answer: Correct answer is: (D) Office automation.

Exam Relevance: CISSP, CompTIA A+, ITIL Foundation

Difficulty: Moderate

Concept notes: Information Technology (IT) encompasses a broad range of fields including computer science, computer technology, and information and communications technology. However, office automation, while related to IT, is more specific to the use of technology in office environments and is not a core component of IT as a whole.

Common Mistakes: Students may mistakenly believe that office automation is a fundamental part of IT because it involves the use of technology in an office setting.

Explanations: Information Technology (IT) is a broad field that includes the study of computer science, computer technology, and information and communications technology. These areas focus on the design, development, implementation, and management of information systems. Office automation, while it involves the use of technology to improve office productivity, is more specific to the application of IT in office environments. Therefore, it is not considered a core component of IT.

Option Analysis:

Option A: Computer science is a fundamental part of IT, focusing on the theory and design of computer systems.
Option B: Computer technology is essential to IT, involving the hardware and software used in computing.
Option C: Information and communications technology is a key component of IT, dealing with the transmission and processing of information.
Option D: Office automation, while related to IT, is more specific to the use of technology in office environments and is not a core component of IT.

1116. High-configuration computers that manage the resources of the network.

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

Exam Relevance: CCNA, CompTIA Network+, CISSP

Difficulty: Easy

Concept notes: Servers are high-configuration computers that manage network resources.

Common Mistakes: Students may confuse servers with clients, which are end-user devices that request and use network resources.

Explanations: Servers are specialized computers designed to manage and provide resources to other computers (clients) on a network. They handle tasks such as file storage, email management, and web hosting. High-configuration servers are equipped with powerful processors, large amounts of memory, and robust storage systems to efficiently manage these resources.

Option Analysis:

Option A: Correct. Servers are high-configuration computers that manage network resources.
Option B: Incorrect. Clients are end-user devices that request and use network resources, not manage them.
Option C: Incorrect. A Network Interface Card (NIC) is a hardware component that allows a computer to connect to a network, not a high-configuration computer.
Option D: Incorrect. Transmission Media refers to the physical or wireless means by which data is transmitted over a network, not a high-configuration computer.

Mnemonic: S - Servers, Specialized Systems

1117. The microelectronics is the technology of

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

Exam Relevance: GATE, ECE, EE

Difficulty: Easy

Concept notes: Microelectronics is the technology that deals with the design, manufacture, and use of very small electronic components, primarily integrated circuits or chips.

Common Mistakes: Students may confuse microelectronics with other technologies like microwaves or microcomputers, which are related but distinct fields.

Explanations: Microelectronics specifically refers to the technology of chips, which are integrated circuits that contain numerous electronic components on a single piece of semiconductor material. This technology is fundamental to modern electronics, including computers, smartphones, and other digital devices.

Option Analysis:

Option A: Microwaves are a type of electromagnetic radiation and not directly related to the technology of chips.
Option B: Microcomputers are devices that use microprocessors, which are a type of chip, but microelectronics is more specifically about the chips themselves.
Option C: Chips, or integrated circuits, are the core components of microelectronics technology.
Option D: Automatic processing is a function that can be performed by devices using microelectronics, but it is not the technology itself.

1118. Temporary storage of data in a computer is in the?

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: RAM (Random Access Memory) is used for temporary storage of data in a computer.

Common Mistakes: Students may confuse RAM with ROM, which is used for permanent storage.

Explanations: RAM is volatile memory, meaning it temporarily stores data that the computer is currently using. This allows for quick access to data and programs, which is essential for the computer's operation. Hard drives, USB drives, and ROM are not used for temporary storage; they are used for long-term or permanent storage.

Option Analysis:

Option A: Hard disc drive is used for long-term storage, not temporary.
Option B: The USB drive is also used for long-term storage, not temporary.
Option C: RAM is used for temporary storage of data in a computer.
Option D: ROM is used for permanent storage of data, not temporary.

Mnemonic: RAM: Readily Accessible Memory

1119. The elapsed time between the end of an inquiry on a computer system and the beginning of a response is termed as.....

Correct Answer: Correct answer is: (B) Response Time.

Exam Relevance: Computer Science Exams, Operating Systems Exams, System Performance Exams

Difficulty: Moderate

Concept notes: Response Time is the time elapsed between the end of an inquiry and the beginning of a response in a computer system.

Common Mistakes: Students may confuse Response Time with Access Time, which is the time taken to locate and retrieve data from a storage device.

Explanations: Response Time is defined as the elapsed time between the end of an inquiry and the beginning of a response. This term is specifically used to describe the delay a user experiences from the moment they submit a request to the moment they start receiving a response. Access Time, Seek Time, and Random Time do not accurately describe this specific delay.

Option Analysis:

Option A: Access Time refers to the time taken to locate and retrieve data from a storage device, not the delay between an inquiry and a response.
Option B: Response Time is the correct term for the elapsed time between the end of an inquiry and the beginning of a response.
Option C: Random Time is not a standard term used in computer systems to describe delays or response times.
Option D: Seek Time is the time taken for a read/write head to move to the correct track on a storage device, not the delay between an inquiry and a response.

1120. To undo the last work, press.....

Correct Answer: Correct answer is: (C) Ctrl+Z.

Exam Relevance: Microsoft Office Specialist, CompTIA A+, Google IT Support

Difficulty: Easy

Concept notes: The correct answer is Ctrl+Z, which is the standard keyboard shortcut used in most software applications to undo the last action performed.

Common Mistakes: Students may confuse the undo function with other keyboard shortcuts, such as Ctrl+Y (Redo) or Ctrl+U (Underline in some applications).

Explanations: Ctrl+Z is the universally recognized keyboard shortcut for undoing the last action in most software applications. This function allows users to revert the most recent change, which is particularly useful for correcting mistakes or experimenting with different options without permanently altering the document or file.

Option Analysis:

Option A: Ctrl+U is typically used for underlining text in some applications, not for undoing actions.
Option B: Ctrl+Y is generally used for redoing the last undone action, not for undoing.
Option C: Ctrl+Z is the correct shortcut for undoing the last action in most software applications.
Option D: Ctrl+W is commonly used for closing a window or tab, not for undoing actions.

Mnemonic: Zap it back with Z!

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3 thoughts on “Information and Communication Technology MCQ - Set 112”

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 112”

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