Computer Hardware Components

Hardware Components

Input Devices

• Keyboard: allows users to input text and commands
• Mouse: allows users to interact with graphical user interfaces
• Scanner: captures images or documents
• Webcam: captures video and images
• Microphone: captures audio input

Central Processing Unit (CPU)

• Executes instructions and performs calculations
• Consists of:
  • Control Unit: retrieves and decodes instructions
  • Arithmetic Logic Unit (ALU): performs arithmetic and logical operations
  • Registers: small amount of memory built into the CPU

Memory

• RAM (Random Access Memory): temporary storage for data and applications
• ROM (Read-Only Memory): permanent storage for firmware and BIOS
• Cache Memory: small, fast memory that stores frequently accessed data

Storage Devices

• Hard Disk Drive (HDD): stores data on a magnetic disk
• Solid-State Drive (SSD): stores data on interconnected flash memory chips
• Optical Drives: stores data on CDs, DVDs, or Blu-ray discs
• Flash Drive: portable storage device that stores data on flash memory

Output Devices

• Monitor: displays video and graphics
• Speakers: produces audio output
• Printer: prints text and images on paper

Power Supply

• Converts Alternating Current (AC) power from the wall outlet to Direct Current (DC) power for the computer's components

This quiz covers the basic components of a computer system, including input devices, CPU, memory, storage devices, output devices, and power supply. Learn about the different types of hardware components and their functions.