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Digital Computer Electronics

Digital Computer Electronics
With a NAND latch a low R and a low S produce a _____ condition.

set
None of these
race
no change
reset

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

byte
nibble
bit
All of these
None of these

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Digital Computer Electronics
The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

XOR
AND
NAND
OR
None of these

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

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

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

Carry-look-ahead adder
Parallel adder
Half adder
None of these
Full adder

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Digital Computer Electronics
Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

10010000000102
10001010001012
11110110000102
10110101110102
None of these

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