Hardware


What is hardware?

Hardware is the physical part of the computer, the part you can touch.

http://www.coolnerds.com/newbies/hardware/hw01.gif
http://www.coolnerds.com/newbies/hardware/hw01.gif

monitor.jpg
http://en.community.dell.com/cfs-file.ashx/__key/communityserver-blogs-components-weblogfiles/00-00-00-00-07/1050.Dell-S2340T-multi_2D00_touch-Windows-8-monitor-_2800_front_2900_.jpg

Example:
  • Monitor
  • Mouse
  • Keyboard
  • Speakers
  • The CPU
  • etc.
The Hardware supports the software, the programs of the computer.

The CPU is divided in three Main Areas:

  • The Control Unit
  • Arithmetic and Logic Unit (ALU)
  • Main Storage or Memory

The CPU

CPU stands for Central Processing Unit.
It is the brain of the computer, it is contained in a microchip and the speed in which the CPU manipulates data is measured in GHz or the number of million cycles per second.