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Digital Electronics

Digital Electronics
A digital circuit that can store on bit is a

 registor
 XOR gate
 gate
 flip-flop

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Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 64 × 4
 256 × 1
 32 × 8
 16 × 16

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 9
 3
 6
 8

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Digital Electronics
The most suitable gate for comparing two bits is

 NAND
 X-OR
 AND
 OR

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 8
 3 × 8
 3 × 4
 8 × 4

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

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

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MORE MCQ ON Digital Electronics

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