Explain the principal system components of a PC including input/output devices?

Explain the principal system components of a PC including input/output devices?

Wikipedia have an article explaining all this an more : http://en.wikipedia.org/wiki/computer_co...
input= baby grand, mouse, cd drive, these input data

output= mointer, cd-rw
crucial comp:

cpu

hdd

cd-rom

power supply

ram



input/output

the ivories

mouse

touchpad

printer

scanner
As a concept of Generation 1st computer , it consist of thousands of vacume tubes . In the second generation computer, first modern computer approach is included. Here we use a generalized concept, such as within are mainly three components exists contained by a digital computer system.They are input, output and central system.

Input/Output are of late peripheral components.They are also divided into two blocks,complicated and soft.Hard is the type of components, that take or produce sturdy copy such as tape[input],printer[output],sc... etc.Soft is the type of that components that take or produce soft copy such as keyboard[input],monitor[output...



The crucial system is consist of three components --- memory, ALU[arithmetic-logical unit] and timer[clock]. All these are interconnected with buses. The memory is consist of registers which made beside flip/flops.ALU performs adjectives basic operation and timer synchronized all behaviour.



If you want to learn more consequently learn INTEL 8085 Architecture, INTEL 8086 Architecture (80x86), INTEL 8088, MOTOROLA 6800, MOTOROLA 68000 for basic system and INTEL 8255,8255A,8379,DMA Controller etc.

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