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

  • (A) Execute instructions
  • (B) Store data
  • (C) Perform input/output operations
  • (D) Connect devices

Answer: Execute instructions

The CPU (Central Processing Unit) is responsible for executing instructions from programs and managing processes.

Which device is used to provide input to a computer?

  • (A) Monitor
  • (B) Keyboard
  • (C) Printer
  • (D) Speaker

Answer: Keyboard

A keyboard is used to input data and commands into a computer system for processing.

What is the function of a firewall in computer networking?

  • (A) Block unauthorized access
  • (B) Manage network connections
  • (C) Store data
  • (D) Provide system backup

Answer: Block unauthorized access

A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

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What is the function of a device driver in computing?

  • (A) Control hardware components
  • (B) Provide internet access
  • (C) Manage software updates
  • (D) Store temporary data

Answer: Control hardware components

A device driver is software that allows the operating system to communicate with hardware components, enabling them to function properly.

What is the function of a hard disk drive (HDD)?

  • (A) Store permanent data
  • (B) Perform calculations
  • (C) Manage memory
  • (D) Connect devices

Answer: Store permanent data

A hard disk drive (HDD) stores data permanently and is the main storage device for long-term data.

Which of the following is a type of optical storage device?

  • (A) Hard Disk Drive (HDD)
  • (B) Flash Drive
  • (C) Blu-ray Disc
  • (D) RAM

Answer: Blu-ray Disc

A Blu-ray disc is an optical storage device that uses laser technology to read and write data.

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Which part of a computer is considered its "brain"?

  • (A) RAM
  • (B) Processor (CPU)
  • (C) Hard Drive
  • (D) Graphics Card

Answer: Processor (CPU)

The CPU (Central Processing Unit) is considered the "brain" of the computer as it processes instructions.

What does IP stand for in networking?

  • (A) Internet Protocol
  • (B) Internal Protocol
  • (C) Input Protocol
  • (D) Internet Procedure

Answer: Internet Protocol

IP stands for Internet Protocol, a set of rules governing the format and transmission of data over the internet.

Which device is used to display information visually to users?

  • (A) Monitor
  • (B) Printer
  • (C) Speaker
  • (D) Keyboard

Answer: Monitor

A monitor is used to visually display information, such as text and images, from the computer.

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What does DNS stand for in networking?

  • (A) Domain Network System
  • (B) Domain Name Server
  • (C) Digital Network Service
  • (D) Data Name Server

Answer: Domain Name Server

DNS (Domain Name System) translates domain names into IP addresses so that browsers can load websites.

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