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Digital Electronics

Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m
 2m+1
 2m-1
 2m-1

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 11100000
 10101111
 00011111
 011100001

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin13
 Pin14
 Pin1
 Pin2

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Digital Electronics
Storage of 1 KB means the following number of bytes

1064
1024
1000
964

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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

 32 × 8
 16 × 16
 64 × 4
 256 × 1

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 A= G
None of these
 G = A
 G = Ā

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