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Digital Electronics

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

 4
 2
 1
 3

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

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

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 NOR, XNOR
 OR, NOR
 XOR, OR
 XOR, NOR

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

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

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Digital Electronics
Choose the option which is not a code conversion standard

 Truth code
 Excess-3 code
 BCD code
 Gray code

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Digital Electronics
Digital computers are more widely used as compared to analog computers, because they are

Useful over wider ranges of problem types
Always more accurate and faster
Less expensive
Easier to maintain

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MORE MCQ ON Digital Electronics

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