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Digital Computer Electronics

Digital Computer Electronics
In boolean algebra, the times sign stands for the _____ operation

OR
None of these
NOR
NAND
AND

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Digital Computer Electronics
Which TTL sub-family has maximum speed?

low power TTL
high speed TTL
standard TTL
None of these
schottky-clamped TTL

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

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

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

All of these
AF
9E
8C
None of these

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Digital Computer Electronics
Which of the following is not functionally a complete set?

NAND
None of these
AND, OR
AND, OR, NOT
NOR

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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

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

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