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Digital Electronics

Digital Electronics
EBCDIC code is a

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

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Gray code
 XS-3 code
 8421 code
 Hamming code

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 4
 3 × 8
 8 × 4
 8 × 8

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Digital Electronics
8421 code is

 weighted code
 alphanumeric code
 self-complementing code
 non-weighted code

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 1.
 2.
 both are same
 none

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When all input is LOW
 When any input is HIGH
 When any input is LOW

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