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Digital Electronics

Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 none of these
 OR
 AND
 NOR

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 NAND
 OR
 none of these
 AND

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an AND or a NOR
 an AND or an OR
 an OR or an X-OR
 a NAND or a NOR

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

OR gates
NAND gates
NOT gates
None of these

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 an X-OR or an X-NOR
 an AND or an X-NOR
 an OR or a NAND
 a NAND or a NOR

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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.

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

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