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Digital Electronics

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

 8 × 8
 3 × 8
 3 × 4
 8 × 4

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

 XS-3 code
 cyclic code
 Gray code
 Hamming code

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 3, 4, 5, 6, ….
 2, 4, 6, 10, 16……..
 2, 4, 6, 10, 12, …
 2, 4, 6, 8, 10, …..

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Digital Electronics
How many output is high of NOR GATE ?

 1
 3
 2
 4

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NAND gates
 X-OR gates
 NOR gates
 AND gates

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -37 as 11011011
 -32 as 11100000
 -89 as 10100111
 -48 as 11101000

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