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Digital Electronics

Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 none of these
 AND
 NAND
 NOR

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Digital Electronics
The devices commonly used for making digital circuits are

 semiconductor devices
 relays
 mechanical switches
 contact switches

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are equal
 The inputs are different
 All inputs are LOW
 All inputs are HIGH

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Digital Electronics
The fan put of a 7400 NAND gate is

8TTL
10TTL
5TTL
2TTL

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Digital Electronics
In LSI, the number of gate circuits per chip is

 < 10,000
 100 to 9,999
 100 to 999
 1000 to 10,000

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 self-complementing codes
 cyclic codes
 sequential codes
 BCD codes

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MORE MCQ ON Digital Electronics

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