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Digital Computer Electronics

Digital Computer Electronics
A bus is a group of _____ carrying digital signals.

registers
wires
transistors
gates
None of these

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Digital Computer Electronics
An OR gate has 6 inputs. How many input words are in its truth table?

None of these
128
16
32
64

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Digital Computer Electronics
The output of the following gate is 0 only if at least one of the inputs is 1:

EX-OR gate
NOR gate
OR gate
None of these
AND gate

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Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

(n-l)T
(n+l)T
2nT
None of these
nT

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Digital Computer Electronics
The control and arithmetic-logic sections are called the _____

None of these
Control Unit
Central Processing Unit
Block diagram
Input / Output Unit

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Digital Computer Electronics
ASCII and EBCDIC differ in

the random and sequential access method
their efficiency in storing data
None of these
their collecting sequences
the number of bytes used to store characters

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