INTRODUCTION AND CONFIGURATION OF A COMPUTER

The word 'computer' is derived from the word 'compute'. It is a fascinating machine, which helps in our day-to-day affairs such as education, business, transport, banking, medicine, industry, agriculture, design, entertainment, and may be defined as an electronic machine that receives data and programs, stores them, processes the data according to the program and presents the results to the user. This is the main reason that the computers have become the part of our everyday life.

The following are the main components of a computer:

• Input unit
• Central Processing Unit (CPU)
• Output Unit
  

A computer system combines the following elements:

• hardware
• software
• people
• procedures
• data
• connectivity(when two or more computers are connected to each other)

THE COMPONENTS OF A COMPUTER

Basic Components:

• Processor
• Motherboard
• Hard disk
• RAM(Random Access Memory)
• Display/Video card
• Keyboard
• Floppy drive
• CD drive
• Mouse
• Monitor(Vedio display unit)
• etc.

Optional Components:

• Printer
• Scanner
• Modem
• DVD Drive
• Speakers
• Microphone
• Zip Drive
• Web Camera
• Joystick
• etc.