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What is the purpose of the Firewall in computer security?

  • (A) Allow internet access
  • (B) Block unauthorized access
  • (C) Manage internet traffic
  • (D) Provide data backup

Answer: Block unauthorized access

A firewall is a security system that monitors and controls incoming and outgoing network traffic, blocking unauthorized access.

What is the main function of the Hard Disk Drive (HDD)?

  • (A) Store temporary data
  • (B) Store permanent data
  • (C) Process calculations
  • (D) Run applications

Answer: Store permanent data

The HDD (Hard Disk Drive) is a non-volatile storage device used to store data permanently on a computer.

Which of the following is an example of volatile memory?

  • (A) ROM
  • (B) Flash Drive
  • (C) Hard Drive
  • (D) RAM

Answer: RAM

RAM is volatile memory, which means it loses its data when the computer is turned off.

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What is the main purpose of the Cache memory in a computer?

  • (A) Store permanent data
  • (B) Store frequently used data for faster access
  • (C) Store instructions
  • (D) Store operating system data

Answer: Store frequently used data for faster access

Cache memory stores frequently accessed data temporarily to speed up the processing by the CPU.

What does MAC stand for in networking?

  • (A) Media Access Control
  • (B) Main Access Control
  • (C) Memory Access Control
  • (D) Managed Access Control

Answer: Media Access Control

MAC stands for Media Access Control, a unique identifier assigned to network interfaces for communication.

What is the role of the Operating System?

  • (A) Manage hardware and software
  • (B) Run web applications
  • (C) Transmit data to devices
  • (D) Store data

Answer: Manage hardware and software

The operating system is responsible for managing the computer?s hardware and software resources.

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Which of the following is an example of secondary memory?

  • (A) RAM
  • (B) Hard Disk
  • (C) Flash Drive
  • (D) CPU

Answer: Hard Disk

Hard Disk is secondary memory used to store data permanently, as opposed to temporary memory like RAM.

What is an example of primary storage in a computer?

  • (A) RAM
  • (B) Hard Disk
  • (C) Flash Drive
  • (D) DVD Drive

Answer: RAM

RAM (Random Access Memory) is primary memory used for temporarily storing data that the CPU needs to access quickly.

What is the primary function of the Cache in a computer?

  • (A) Store permanent data
  • (B) Store frequently accessed data
  • (C) Process program instructions
  • (D) Connect to the internet

Answer: Store frequently accessed data

The cache stores frequently accessed data to speed up operations and reduce access times for the CPU.

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What is the purpose of the BIOS in a computer?

  • (A) Manage network traffic
  • (B) Perform arithmetic operations
  • (C) Initialize hardware on startup
  • (D) Process user inputs

Answer: Initialize hardware on startup

BIOS (Basic Input Output System) is responsible for initializing and testing hardware components during startup.

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