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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

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

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

 12 bits
 16 bits
 8 bits
 10 bits

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 cost
 weight
 volume
 size

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 none
 2
 1
 both have same

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Digital Electronics
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view?

Bi-directional I/O pin access
Tristate output operation
All of these
Input operation

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Digital Electronics
1’s complement of 17 is

 10001.
 11100.
 10111.
  01110.

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