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Digital Electronics

Digital Electronics
The only function of NOT gate is to ___________.

Invert input signal
Act as a universal gate
Stop signal
None of these

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Digital Electronics
How many input and output required for multiplexer ?

None of these
 Many input and one output
 One input and many output
 One input and one output

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 9
 8
 7
 6

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

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

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Digital Electronics
A 16-square eliminates

 2 variables
 3 variables
 4 variables
 8 variables

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