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Digital Electronics

Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

ECL
CMOS
TTLAS
TTLLS

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

 3 × 8
 8 × 4
 3 × 4
 8 × 8

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Digital Electronics
The number 10000 would appear just immediately after

FFFF (hex)
All of these
7777 (octal)
1111 (binary)

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Digital Electronics
The complement of a function A is

 A
 0
 1
 Ā

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Digital Electronics
Which of the following is a self-complementing code?

 cyclic code
 Gray code
 XS-3 code
 Hamming code

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 1,10101.1001
 0,10110.1001
 0,10110.1011
 1,10110.1001

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