Computer Basic Information
The disadvantage of dynamic RAM over static RAM is

variable speed
higher bit density
need to refresh the capacitor charge every once in two milliseconds
None of these
higher power consumption

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

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

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