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Digital Electronics

Digital Electronics
2's Complement of 10101011 is

 00111100
 10101100
 01010101
 10101011

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 1
 A = 1, B = 1, C = 0
 A = 1, B = 0, C = 1
 A = 0, B = 0, C = 0

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +(2n-1-1),-2n-1
 None of these
 +2n-1,-(2n-1-1)
 +(2n-1-1),-(2n-1-1)

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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
Which of the following is equivalant to an ODD function

 XOR
 NOR
 AND-NOR
 XNOR

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Digital Electronics
All the integers and decimal numbers are represented by

 real numbers
 whole numbers
 odd numbers
 even numbers

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