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Digital Electronics

Digital Electronics
How many bits are required to store one BCD digit ?

 1
 4
 2
 3

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 65536
 32
 1024
 16

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

128
6
64
32

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Digital Electronics
EBCDIC code is a

 5-bit code
 7-bit code
 10-bit code
 8-bit code

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Digital Electronics
Excess-3 code is known as

Weighted code
Cyclic redundancy code
Self-complementing code
Algebraic code

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Digital Electronics
Which one of the following is 2’s complement of -68?

 00111100
 01111100
 11000100
 10111100

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