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Digital Electronics

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

 256 × 1
 32 × 8
 64 × 4
 16 × 16

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Digital Electronics
A single flip-flop can be cleared (reset) to

 0
 None
 1
 Both A and B

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Digital Electronics
To get an excess-3 code from BCD code

 0011 is added
 0110 is added
 0110 is subtracted
 0011 is subtracted

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Digital Electronics
A bubbled NOR gate is equivalent to a

 X-OR gate
 NOR gate
 NAND gate
 AND gate

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Digital Electronics
A Nibble is equal to ________ bit(s)

 4
 2
 1
 8

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 0
 inputs are left open
 all inputs are connected together
 one input is set to 1

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MORE MCQ ON Digital Electronics

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