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Digital Electronics

Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 8 bits
 10 bits
 16 bits
 12 bits

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Digital Electronics
Why generic array logic (GAL) device was invented ?

 Reprogrammable
 Mask programmable
None of these
 One-time programmable

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Digital Electronics
The time required for a gate to change its output is called as

 propagation time
 run time
 start time
 Decay time

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Digital Electronics
A combinational circuit can be designed using only

 OR and X-NOR gates
 AND gates
 OR gates
 NOR gates

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 10100010
 11011110
 01011101
 11011101

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Digital Electronics
An X-OR gate gives a high output

 for odd decimal value.
 if the decimal value of digital word is even
 if it has even number of 0s
 if there are odd number of 1s

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