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Digital Electronics

Digital Electronics
The XS-3 code is a

 cyclic code
 weighted code
 self-complementing code
 error-correcting code

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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

 011100001
 00011111
 11100000
 10101111

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 NOR
 X-OR
 OR
 NAND

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 9
 7
 8
 6

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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
Input operation
Tristate output operation
All of these

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Digital Electronics
What is the 2’s complement of 10110000?

 01010000
 01001111
 10110000
 10001110

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