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Digital Electronics

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

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

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Digital Electronics
The main equation for a D flip flop is

 Q=1
 Q=D'
 Q=0
 Q=D

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 NAND gate
 NOR gate
 X-NOR gate
 X-OR gate

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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

 256 × 1
 32 × 8
 16 × 16
 64 × 4

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Digital Electronics
The decimal number 0.246 in binary is

 0.001111
 0.011011
 0.001101
 0.010111

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Digital Electronics
AND operation is equivalant to

 Division
 Intersection
 Both B and C
 Union

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MORE MCQ ON Digital Electronics

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