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Digital Electronics

Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 10
 11
 13
 12

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Digital Electronics
Which one of the following is 2’s complement of -68?

 01111100
 00111100
 11000100
 10111100

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 128
 256
 255
 8

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Digital Electronics
How many input and output required for multiplexer ?

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

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 OR gate
 X-OR gate
 X-NOR gate
 AND gate

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

None of these
 the input is LOW
 the input is HIGH and LOW
 the input is HIGH

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