Computer Basic Information
In MODEMS

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

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Computer Basic Information
The Santa Clara Valley, California is popularly known as Silicon Valley of America because

Santa Claus visits it every Christmas
many silicon chip manufacturing firms are located there
huge deposits of silicon are found there
it is full of large grain sand
None of these

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