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Digital Electronics

Digital Electronics
The universal gate is ___________

AND gate
None of these
NAND gate
OR gate

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be 0 V and 5 V
 must necessarily be negative
 may be positive or negative
 must necessarily be positive

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

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

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

 NAND
 AND
 NOR
 X-OR

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Digital Electronics
In MSI, the number of gate circuits per chip is

 < 500
 12 to 99
 < 50
 50 to 100

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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
Less expensive
Always more accurate and faster
Easier to maintain

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