CHAPTER - 2
COMPUTER COMPONENTS
Exercise
- Keyboard and Mouse are the standard Input Devices of computer.
- Monitor/LCD is the standard Output Device of Computer.
- Computer's processing Cycle is Input-Process-Output.
- Memory unit, Control unit and ALU are the components of CPU.
- Computer accepts data and instructions through Input Unit.
- Computer gives the result through Output Unit.
- Computer process the given instructions through CPU and produce the result.
- CPU can be divided into three separate units. They are:
- Memory unit
- Control unit
- Arithmetic logical unit
- The control unit is a brain of computer which performs the processing of instructions.
- Memory directly accessible by CPU is also called primary storage.
- Permanent storage of computer is called Secondary storage or auxiliary storage.
- Computer used at home or small business is called Micro-Computer.
- Super Computer is the most powerful computers.