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Digital Electronics

Digital Electronics
Latches are ________ circuits.

 level triggered
 edge triggered
 pulse triggered
 count triggered

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 –1.5 V and – 5 V
 5 V and 0 V
 0 V and 5 V
 1 V and -5 V

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

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

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 trigger
 tri-state
 inverter
 unstable state

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin2
 Pin13
 Pin14
 Pin1

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Digital Electronics
(FE35)16 XOR (CB15)16 is equal to

 (FF50)16
 (FF35)16
 (3320)16
 (3520)16

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