Showing posts with label Hardware. Show all posts
Showing posts with label Hardware. Show all posts

Wednesday, 2 March 2011

Hardware software

everything that happens in a computer goes from
Input-Processor-Output
                ||
                ||
           Storage
storage

The CPU infact dose not connect directly with the hard drive but instead with the RAM stick. As trying to connect the CPU to hard drive is like talking to someone from a jet plane to a bike.

Software:
Software= sets of instructions which will tell the system how to do something. These instructions are collected together in a workable group which is called a program.

Operating system
  • User interface software
Provides a GUI
Provides a Platform for apps top so on it
Middle, am between apps and hardware e.g Word dose not know anything about printers but OS dose
  • Translate software (TS)
An OS provides its own TS
Translate high level language into machine code
  • Untilities
Allows you to change the sysetm to a certain extent
  • Common Applications
i.e Iphoto