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Digital Signal Processing - Technical MCQs

Q1:

Which term applies to the maintaining of a given signal level until the next sampling?

A Holding

B Aliasing

C Shannon frequency sampling

D "Stair-stepping"

ANS:A - Holding

Holding is the operation to hold the sinal level of the previous sample until and unless next sample arrives.

An ideal sampler consists of two circuits I. E,

1. Sampler circuit &
2. Hold circuit.

So from that conclusion I came to the answer as holding. That's it.