Date post: | 31-Dec-2015 |
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At the end of this session, the learner will beAble to:
Draw and explain a block diagram of computerIdentify input deviceIdentify output device
CentralProcessingUnit:
The control unit and ALU of the computer are together known as the Central Processing Unit (CPU).TheCPUis like brain performs the following functions
Storage Unit: The storage unit of the computer holds data and instructions that are entered through the input unit, before they are processed.
OutputUnit:
The output unit of a computer provides the information and results of a computation to outside world. Printers, Visual Display Unit (VDU) are the commonly used output devices.
Home work:1.Draw a block diagram of a computer
2.List the name of input and output device of a desktop computer