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Digital Electronics

Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 5
 4
 3
 6

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Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 ROM
All of these
 EAROM
 PROM

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 4
 any number
 2
 1

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Digital Electronics
The NOR gate can function as a NOT gate if

 all inputs are connected together
 inputs are left open
 one input is set to 1
 one input is set to 0

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

 2
 1
 4
 3

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 6
 4
 5
 8

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