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Digital Electronics

Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 binary code
 BCD code
 Gray code
 XS-3 code

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-OR
 NAND
 X-NOR
 NOR

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 5 V and 0 V
 –1.5 V and – 0.5 V
 1 V and 5 V
 0 V and 5 V

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Digital Electronics
The main equation for a D flip flop is

 Q=0
 Q=1
 Q=D
 Q=D'

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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
 -48 as 11101000
 -89 as 10100111

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

 Gray code
 Hamming code
 XS-3 code
 8421 code

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MORE MCQ ON Digital Electronics

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