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Digital Electronics

Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 32
 1024
 65536
 16

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Digital Electronics
Excess-3 code is known as

Algebraic code
Cyclic redundancy code
Weighted code
Self-complementing code

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

 Decay time
 start time
 run time
 propagation time

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +(2n-1-1),-2n-1
 +2n-1,-2n-1
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1+1)

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

None of these
 three 3-input NAND gates and one 3-input NOR gate
 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 BCD code
 binary code
 Gray code
 XS-3 code

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