Computer Hardware

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Computer hardware refers to the different types of equipment that a computer is able to run, and also refers to the internal components of the computer. This section will also cover the connections that these peripheral devices connect to the computer.

Contents

Peripheral Devices

There are different types of peripheral devices such as output devices like printers and portable storage devices aswell as input devices such as scanners and digital cameras. The following table outlines a number of different devices and whether they are either input or output devices, there application and connection to the computer:

Name Input/Output Application Connection

Moniter

Output

Displays output of computer.

  • Serial

Mouse

Input

Moves cursor

  • USB
  • PS2

Keyboard

Input

Enter text on computer

  • USB
  • PS2

Portable Storage Device

Input and Output

Extra/portable storage

  • USB

Digital Camera

Input

Loads pictures from camera to computer

  • USB
  • Firewire

Scanner

Input

Scans images/ hard copies of documents to reproduce onto the computer

  • USB
  • Parallel

Webcam

Input

Captures image and transports it to computer

  • USB

Printer

Output

Prints documents from computer

  • USB
  • Parallel

Speakers

Output

Produces sound from audio files played on computer

  • Audio ports

Peripheral Ports

Types of peripheral ports that peripheral devices use to connect to the computer:

Name of Port USB Serial Firewire PS2 Parallel

Image of Port

Image:USB_port.jpg

Hardware Components and Their Function

CPU RAM Graphics Hard drive


Removal and Replacement of Hardware Components

Selection of Hardware Components and Peripherals

Considerations

Hardware and Software Interoperability

Environmental Conditions

Set-up Procedures of Peripherals

OH&S Standards Regarding Computer Hardware