What is computer

1st semester

Unit:-1

1.What is computer ?
INTRODUCTION :
                          Computer is a electronic device which stores data, process it, and gives the result consistently, accurately at very high speed according to our instruction. The word computer is derived from the word "compute". It means perform or calculate. So a powerful computer can handle 3 to 4 million instruction per second (MIPS)
PARTS OF COMPUTER :

• Monitor
• Keyboard
• Mouse
• Cpu

Monitor : output unit (soft copy and display result)

Keyboard : input unit (gives instructions)

Mouse : input unit (control Cussor)

Cpu : central process unit