Computer Basic Information
Why is the width of the data bus so important to the processing speed of a computer?

The wider it is, the more data that can fit into main memory
The wider it is, the greater the computer's processing speed
The narrower it is, the greater the computer's processing speed
The data bus isn't important to the processing speed of a computer
The wider it is, the slower the computer's processing speed

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Computer Basic Information
The function of CPU is

to provide a hard copy
to communicate with the operator
to provide external storage of text
None of these
to read, interpret and process the information and instruction

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