Multiple choice

Match the following:

A. A shift-register can be used 1. for code conversion
B. A multiplexer can be used 2. to generate memory chip select
C. A decoder can be used 3. for parallel to serial conversion
4. as many-to-one switch
5. for analog to digital conversion

  1. A-3, B-1, C-2

  2. A-4, B-3, C-5

  3. A-3, B-4, C-2

  4. A-2, B-3, C-4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A shift-register converts parallel data to serial format (A-3). A multiplexer acts as a many-to-one switch, selecting one input from multiple (B-4). A decoder generates unique outputs for each input combination and can generate memory chip select signals (C-2).

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