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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
XNOR followed by a NOT gate is equivalant to ________ gate

 NOR
 XOR
 OR
 XNOR

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Digital Electronics
One bit full adder has ________ outputs.

 4
 3
 2
 any number

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 2’s complement is used to represent the numbers, then the range will be

 -128 to 127
 -256 to 255
 -256 to 256
 -128 to 128

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follow input
 the output is LOW
 the output follows clock
 the output is HIGH

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

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

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