Computer Basic Information
A memory bus is mainly used for communication between

processor and memory
processor and I/O devices
input device and output device
I/O devices and memory
None of these

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Computer Basic Information
Which of the following statements best describes the batch method of input?

Data is processed as soon as it is input
None of these
Data is input at the time it is collected
Data is collected in the form of source documents, placed into groups, and then input to the computer
Source documents aren't used

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