Information and Communication Technology MCQ

851. To display system boot menu which of the following command you must press?

Correct Answer: Correct answer is: (C) F8.

Exam Relevance: CompTIA A+, Microsoft Certified: Windows Operating System

Difficulty: Easy

Concept notes: The F8 key is commonly used to access the system boot menu during the startup process of a computer.

Common Mistakes: Students may confuse the function keys used for different system operations, such as F2 for BIOS setup or F12 for boot device selection.

Explanations: During the boot process, pressing F8 allows users to access the Advanced Boot Options menu, which can be used to troubleshoot startup issues or boot into safe mode.

Option Analysis:

Option A: F4 is not typically used for accessing the boot menu.
Option B: F7 is not typically used for accessing the boot menu.
Option C: F8 is the correct key to access the Advanced Boot Options menu.
Option D: F5 is not typically used for accessing the boot menu.

Mnemonic: F8 for Boot Menu

852. Operation used to multipy or divide a binary number by powers of 2.

Correct Answer: Correct answer is: (B) Binary Shift.

Exam Relevance: Computer Science, Digital Electronics, Programming Competitions

Difficulty: Easy

Concept notes: Binary shift operations are used to multiply or divide binary numbers by powers of 2 by shifting the bits to the left or right.

Common Mistakes: Students may confuse binary shift with other operations like binary addition or subtraction.

Explanations: Binary shift operations involve moving the bits of a binary number to the left or right. Shifting to the left multiplies the number by a power of 2, while shifting to the right divides the number by a power of 2. This operation is efficient and commonly used in computer science and digital electronics.

Option Analysis:

Option A: Binary Slide is not a standard term in computer science for multiplying or dividing binary numbers by powers of 2.
Option B: Binary Shift is the correct term for the operation used to multiply or divide binary numbers by powers of 2.
Option C: Binary Change does not refer to the specific operation of multiplying or dividing by powers of 2.
Option D: Binary Move is not a standard term for the operation used to multiply or divide binary numbers by powers of 2.

Mnemonic: Shift Left, Multiply; Shift Right, Divide.

853. Time during which a machine, especially a computer, is out of action or unavailable for use is termed as.....

Correct Answer: Correct answer is: (D) Down Time.

Exam Relevance: Computer Science Exams, IT Certification Exams, Engineering Exams

Difficulty: Easy

Concept notes: Down Time refers to the period when a machine, particularly a computer, is not operational or available for use.

Common Mistakes: Students may confuse Down Time with Access Time, which is the time taken to locate and retrieve data.

Explanations: Down Time is the correct term for the time during which a machine, especially a computer, is out of action or unavailable for use. This term is commonly used in the context of system availability and reliability.

Option Analysis:

Option A: Access Time refers to the time taken to locate and retrieve data, not the time a machine is unavailable.
Option B: Response Time is the time taken for a system to respond to a request, not the time a machine is down.
Option C: Random Time is not a standard term used in the context of machine availability.
Option D: Down Time is the correct term for the time a machine is out of action or unavailable for use.

Mnemonic: Down Time: Downtime, Down Time, Downtime

854. Operating System is the most common type of..... software.

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

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

Difficulty: Easy

Concept notes: Operating systems are a type of system software that manages computer hardware and software resources.

Common Mistakes: Students may confuse operating systems with application software, which are programs designed to perform specific tasks for users.

Explanations: Operating systems are classified as system software because they manage and control computer hardware and software resources, providing common services for computer programs. They are essential for the functioning of a computer and are not designed to perform specific tasks for users like application software.

Option Analysis:

Option A: Communication software is designed to facilitate communication between users or devices, not to manage computer resources.
Option B: Application software is designed to perform specific tasks for users, such as word processing or web browsing, not to manage computer resources.
Option C: System software, including operating systems, manages and controls computer hardware and software resources, making it the correct choice.
Option D: Word processing software is a type of application software designed for creating and editing documents, not for managing computer resources.

855. The vast network of computers that connects millions of people all over the world is called.

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The Internet is a global network of interconnected computers and servers that allows for the sharing and exchange of information across the world.

Common Mistakes: Students may confuse the Internet with the World Wide Web (Web), which is a subset of the Internet that includes websites and web pages.

Explanations: The Internet is the vast network of computers that connects millions of people all over the world. It enables communication, data sharing, and access to a wide range of services and information. The other options, such as LAN (Local Area Network), Web (World Wide Web), and Hypertext, are components or applications within the broader framework of the Internet but do not encompass the entire global network.

Option Analysis:

Option A: LAN (Local Area Network) is a network that connects computers within a limited area, such as a home, school, or office, and is not the global network described in the question.
Option B: Web (World Wide Web) is a system of interlinked hypertext documents accessed via the Internet, but it is not the entire network itself.
Option C: Hypertext is a method of organizing and presenting information in a non-linear format, often used on the Web, but it is not the global network described in the question.
Option D: Internet is the correct answer as it is the global network of interconnected computers and servers that connects millions of people worldwide.

856. Which of the following provides battery backup for a limited period of time?

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

Exam Relevance: GRE, GATE, IT Certification Exams

Difficulty: Easy

Concept notes: A UPS (Uninterruptible Power Supply) provides battery backup for a limited period of time to ensure continuous power supply to connected devices during a power outage.

Common Mistakes: Students may confuse the function of a UPS with other components like the CPU or keyboard, which do not provide battery backup.

Explanations: A UPS is designed to provide immediate battery power when the main power source fails, ensuring that connected devices can continue to operate for a limited time. This is crucial for protecting data and preventing hardware damage during unexpected power outages.

Option Analysis:

Option A: The CPU (Central Processing Unit) is the primary component of a computer that performs most of the processing tasks and does not provide battery backup.
Option B: The keyboard is an input device used to enter data into a computer and does not provide battery backup.
Option C: The UPS (Uninterruptible Power Supply) is specifically designed to provide battery backup for a limited period of time.
Option D: None of these is incorrect because the UPS is the correct answer.

Mnemonic: UPS = Uninterruptible Power Supply

857. Blue tooth technology allows:

Correct Answer: Correct answer is: (B) Wireless communication between equipments.

Exam Relevance: GRE, GMAT, IT Certification Exams

Difficulty: Easy

Concept notes: Bluetooth technology is a wireless technology standard for exchanging data over short distances using short-wavelength UHF radio waves.

Common Mistakes: Students may confuse Bluetooth with other wireless technologies like Wi-Fi or think it is limited to specific devices like mobile phones.

Explanations: Bluetooth technology enables wireless communication between various devices, such as smartphones, laptops, headphones, and other electronic devices. It is not limited to communication between a landline and a mobile phone, nor is it restricted to signal transmission on mobile phones only. It also does not pertain to satellite television communication.

Option Analysis:

Option A: Bluetooth does not specifically enable communication between landline phones and mobile phones.
Option B: This is the correct answer as Bluetooth technology facilitates wireless communication between different types of electronic devices.
Option C: Bluetooth is not limited to signal transmission on mobile phones only.
Option D: Bluetooth technology is not used for satellite television communication.

858. Which of the following is a multi-tenant infrastructure that is shared among several organisations from a specific group with common computing concerns?

Correct Answer: Correct answer is: (A) Community Cloud.

Exam Relevance: CISSP, CompTIA Cloud+, AWS Certified Solutions Architect

Difficulty: Moderate

Concept notes: A community cloud is a multi-tenant infrastructure shared among several organizations within a specific community that have common computing concerns.

Common Mistakes: Students may confuse community cloud with public cloud, which is shared among the general public rather than a specific community.

Explanations: A community cloud is designed to be shared among several organizations that have common computing concerns, such as regulatory compliance or security requirements. This makes it distinct from other cloud types like public, private, or hybrid clouds. The shared infrastructure in a community cloud is tailored to meet the specific needs of a defined group, ensuring that all participants benefit from economies of scale and shared resources while maintaining a level of control and security appropriate for their common concerns.

Option Analysis:

Option A: Correct. Community Cloud is a multi-tenant infrastructure shared among several organizations with common computing concerns.
Option B: Incorrect. Hybrid Cloud combines public and private cloud environments, not specific to a community.
Option C: Incorrect. Dynamic Cloud is not a standard cloud type and does not refer to a multi-tenant infrastructure shared among organizations.
Option D: Incorrect. This option is not applicable as the correct answer is provided.

859. Before a disk can be used to store data. It must be.....

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

Exam Relevance: AP Computer Science, SAT Subject Test in Computer Science

Difficulty: Easy

Concept notes: Before a disk can be used to store data, it must be formatted.

Common Mistakes: Students may confuse formatting with reformatting, which is the process of erasing and reformatting an already formatted disk.

Explanations: Formatting a disk involves preparing the disk for use by creating a file system and organizing the disk into sectors and tracks. This process is necessary to ensure that the disk can be read and written to properly.

Option Analysis:

Option A: Correct. Formatting prepares the disk for data storage.
Option B: Incorrect. Reformatting is not necessary for a new disk.
Option C: Incorrect. Addressing is part of the formatting process, not a separate step.
Option D: Incorrect. There is a specific process required before a disk can be used.

860. What software is best for creating a database?

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

Exam Relevance: AP Computer Science Principles, IB Computer Science, SAT Subject Test in Computer Science

Difficulty: Easy

Concept notes: Access is a database management system designed specifically for creating and managing databases.

Common Mistakes: Students may mistakenly choose Excel because it can handle data, but it is not designed for complex database management.

Explanations: Access is the best software for creating a database because it is specifically designed for database management. It allows for the creation of tables, forms, queries, and reports, which are essential components of a database. Excel, while capable of handling data, is primarily a spreadsheet program and lacks the advanced features needed for comprehensive database management.

Option Analysis:

Option A: Access is the correct choice as it is designed for database management.
Option B: Excel is a spreadsheet program, not a database management system.
Option C: PowerPoint is a presentation software, not suitable for database creation.
Option D: Publisher is a desktop publishing software, not designed for database management.

Mnemonic: A for Access, A for Advanced Database Management.

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3 thoughts on “Information and Communication Technology MCQ - Set 86”

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 86”

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