Computer Basic Information
Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is

None of these
Modem
Base band networking
Local area network
Broad band networking

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Computer Basic Information
An AND gate

is equivalent to a parallel switching circuit
is equivalent to a series switching circuit
None of these
implements logic addition
is an any-or all gate

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

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