Automation System
D/A (digital to analog) conversion:

must be fed through a filter to reproduce the original signal accurately
results in a binary code as the final output
has to be sampled at 1/2 the highest input frequency
None of these
both (b) and (c)

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Automation System
Resolution in a CRT refers to:

None of these
the number of addressable elements on the tube
the number of phosphor dots that react when hit by the electron beam
the speed at which the monitor can accept data from the computer
the number of pixels in each square centimeter

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Automation System
A flip-flop:

(a) and (c)
is a sequential logic device
None of these
is a combinational logic device
remembers what was previously stored in it

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