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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NOR
 NAND
 X-OR
 OR

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Digital Electronics
A combinational circuit can be designed using only

 NOR gates
 OR and X-NOR gates
 OR gates
 AND gates

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are different
 The inputs are equal
 All inputs are LOW
 All inputs are HIGH

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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
 X-NOR
 NAND
 NOR

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 cost
 power requirements
All of these
 space requirements

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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
Easier to maintain
Always more accurate and faster
Less expensive

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