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Digital Electronics

Digital Electronics
Positive integers must be represented by

 unsigned number
 None of these
 signed numbers
 Both A and B

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Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 4
 2
 3

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 F0F0
 5050
 7070
 1010

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

 12.
  10.
  6.
 24.

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Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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Digital Electronics
OR operation is equivalant to

 Division
 Intersection
 Union
 Both B and C

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