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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.

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 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.

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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.

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.

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.

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What is the main function of the CPU in a computer system?

  • (A) Process data and execute instructions
  • (B) Store data
  • (C) Manage network connections
  • (D) Provide graphical output

Answer: Process data and execute instructions

The CPU (Central Processing Unit) processes data and executes instructions from programs, making it the heart of the computer.

Which of the following is an example of secondary storage?

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

Answer: Hard Disk Drive

Hard Disk Drives (HDD) are non-volatile storage devices used for storing data permanently.

What is the full form of ROM?

  • (A) Read-Only Memory
  • (B) Random Online Memory
  • (C) Real-Time Operating Memory
  • (D) Random Original Memory

Answer: Read-Only Memory

ROM (Read-Only Memory) is a type of non-volatile memory that retains its data even when the system is powered off.

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What is the purpose of Wi-Fi in computer networking?

  • (A) Connect devices to the internet
  • (B) Increase storage capacity
  • (C) Secure network connections
  • (D) Manage user authentication

Answer: Connect devices to the internet

Wi-Fi (Wireless Fidelity) is a technology that allows devices to connect to the internet and local area networks wirelessly.

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