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Digital Electronics

Digital Electronics
If clock time period is 1ms, what is its frequency

 1 mHz
 1 kHz
 1 MHz
None of these

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Digital Electronics
A boolean function can be transformed into logical ________.

 map
 matrix
 diagram
 graph

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

64
32
128
6

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Digital Electronics
The output of a NOR gate is high

 only when all the inputs are high
 only when at least one input is high
 only when all the inputs are low
 only when at least one input is low

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all input is LOW
 When all inputs are HIGH
 When any input is LOW
 When any input is HIGH

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 11100000
 10101111
 00011111
 011100001

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