Topic No. 2.2 5. Computer Bus, 6. Memory Controller, 7. Direct Memory Access

I'll start Information Technology Topic for education purpose which are relates with Intermediate Professional Competence Course.

Topic No. 2.2

5. Computer Bus, 6. Memory Controller, 7. Direct Memory Access

5. Computer Bus :-

• Computer Bus is a communication system that transfer data between components inside a computer, or between computers.
• Example:- Data transfer from E drive to F drive. or, With the help of temp. data can be transfer from one computer to another computers.
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 6. Memory Controller :-

• It is a Digital Circuit which manages flow of data going to and from the main memory and can be separate chip or integrated into another chip.

7. Direct Memory Access :-

• DMA is a feature of modern computers that allows certain hardware subsystems within the computer to access system memory independently of CPU.