OA Exams

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  • December 7, 2024

Question 01

What is the purpose of File Allocation Table (FAT) in a file system?

a) To manage user permissions
b) To encrypt files
c) To direct the read/write arm of the hard drive
d) To backup data

Correct Answer: c) To direct the read/write arm of the hard drive

Explanation: The File Allocation Table (FAT) is used to direct the hard drive's read/write arm to the location of the data, allowing quick access.

Question 02

Which type of computer is typically room-sized and used to process enormous amounts of bulk data?

a) Microcomputer
b) Mainframe computer
c) Midrange computer
d) Desktop computer

Correct Answer: b) Mainframe computer

Explanation: Mainframe computers are large systems capable of processing and storing enormous amounts of bulk data and are often used in large organizations.

Question 03

Which of the following is a language used to compose web pages?

a) HTTP
b) FTP
c) HTML
d) SQL

Correct Answer: c) HTML

Explanation: HTML (Hypertext Markup Language) is used to structure and format content on web pages.

Question 04

Which component of a computer allows data to be accessed in any order?

a) Hard Disk Drive (HDD)
b) Cache memory
c) Random Access Memory (RAM)
d) Solid State Drive (SSD)

Correct Answer: c) Random Access Memory (RAM)

Explanation: RAM allows data to be accessed in any order, improving the speed and flexibility of computer operations.

Question 05

Which of the following describes an application that allows users to create, compose, edit, and format documents?

a) Presentation software
b) Database software
c) Spreadsheet software
d) Word processor

Correct Answer: d) Word processor

Explanation: A word processor, like Microsoft Word, allows users to create, edit, and format documents such as reports, letters, and essays.

Question 06

What type of network connects two or more LANs within a campus?

a) Local Area Network (LAN)
b) Campus Area Network (CAN)
c) Wide Area Network (WAN)
d) Metropolitan Area Network (MAN)

Correct Answer: b) Campus Area Network (CAN)

Explanation: A CAN connects multiple LANs within a campus or organization, enabling communication between buildings.

Question 07

Which software allows for the creation of presentations in slideshow format?

a) Presentation software
b) Database management software
c) Spreadsheet software
d) Word processing software

Correct Answer: a) Presentation software

Explanation: Presentation software, such as Microsoft PowerPoint, allows users to create and display information in a slideshow format.

Question 08

What type of memory is often built directly into the CPU and stores instructions that the CPU accesses frequently?

a) RAM
b) Registers
c) Cache
d) Virtual Memory

Correct Answer: b) Registers

Explanation: Registers are small storage locations built into the CPU that store instructions and data that are frequently accessed by the CPU.

Question 09

Which protocol is used to transfer files between computers on a network?

a) HTTP
b) FTP
c) DNS
d) TCP/IP

Correct Answer: b) FTP

Explanation: FTP (File Transfer Protocol) is used to transfer files between computers over a network.

Question 10

What is the role of a Network Administrator in an organization?

a) Managing software applications
b) Ensuring smooth network operations and performance
c) Securing the network against threats
d) Managing database queries

Correct Answer: b) Ensuring smooth network operations and performance

Explanation: A network administrator ensures the smooth operation of a company's network and maintains its performance, security, and connectivity.

Question 11

Which of the following is a type of malware that automatically displays or downloads advertising to a user’s computer?

a) Spyware
b) Adware
c) Ransomware
d) Phishing

Correct Answer: b) Adware

Explanation: Adware is a type of malware that displays or downloads unwanted advertisements to a user's device.

Question 12

What is the defining characteristic of an operating system (OS)?

a) It allows users to create documents
b) It manages hardware and software resources
c) It prevents unauthorized access
d) It allows the user to browse the internet

Correct Answer: b) It manages hardware and software resources

Explanation: An operating system manages the hardware and software resources of a computer, ensuring all components work together smoothly.

Question 13

Which type of computer is specifically designed for portability and contains all the basic components of a desktop?

a) Microcomputer
b) Mainframe
c) Laptop
d) Handheld

Correct Answer: c) Laptop

Explanation: A laptop is designed for portability, containing all the essential components of a desktop computer, such as the CPU, RAM, and storage.

Question 14

What is the purpose of a cache memory in a computer system?

a) To provide long-term storage
b) To temporarily store frequently accessed data
c) To increase network performance
d) To store operating system data

Correct Answer: b) To temporarily store frequently accessed data

Explanation: Cache memory stores frequently accessed data to allow the CPU to retrieve it quickly, improving overall system performance.

Question 15

What does the acronym CPU stand for?

a) Central Programming Unit
b) Central Processing Unit
c) Central Processor Utility
d) Computer Processing Unit

Correct Answer: b) Central Processing Unit

Explanation: The CPU (Central Processing Unit) is responsible for executing instructions and processing data in a computer.

Question 16

Which of the following describes a Denial-of-Service (DoS) attack?

a) A virus that deletes system files
b) An attack that renders a system or service unavailable
c) A type of malware that tracks keystrokes
d) An attempt to steal login credentials

Correct Answer: b) An attack that renders a system or service unavailable

Explanation: A DoS attack involves overwhelming a system with traffic, rendering it unavailable to legitimate users.

Question 17

Which device allows two or more computers to connect to a network?

a) Router
b) Switch
c) Firewall
d) Ethernet Cable

Correct Answer: a) Router

Explanation: A router connects multiple computers to a network and manages traffic between them, allowing data to be transmitted efficiently.

Question 18

Which device uses an integrated circuit assembly as memory to store data persistently?

a) Hard Drive
b) RAM
c) Solid State Drive (SSD)
d) Optical Disk

Correct Answer: c) Solid State Drive (SSD)

Explanation: An SSD uses integrated circuit assemblies as memory to store data, offering faster access and more durability than traditional hard drives.

Question 19

Which software is responsible for managing the communication between hardware and other software?

a) Application software
b) System software
c) Utility software
d) Security software

Correct Answer: b) System software

Explanation: System software, including the operating system, manages communication between hardware components and other software applications.

Question 20

What is the purpose of Optical Disks in computing?

a) To store data temporarily
b) To read/write data using optical storage techniques
c) To connect multiple computers on a network
d) To process data at high speeds

Correct Answer: b) To read/write data using optical storage techniques

Explanation: Optical disks use light (lasers) to read and write data, making them suitable for long-term data storage and retrieval.

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