Computer Basic Information
'ITS' stands for

All of these
International Tutoring Systems
Intelligent Teaching Systems
None of these
Intelligent Tutoring Systems

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Computer Basic Information
In MODEMS

Digital signal is amplified
Several digital signals are multiplexed
A digital signal changes some characteristic of a carrier wave
None of these
All of these

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Computer Basic Information
In a punched card system, data is processed by a

accounting machine, posting machine, and billing machine
keypunch machine, sorter, and posting machine
accounting machine, keypunch machine, and sorter
sorter, posting machine, and billing machine
None of these

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