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Digital Electronics

Digital Electronics
A + Ā is equal to

 0
 A
 Ā
 1

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Digital Electronics
A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

 2201
 4231
 423
 1324

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Digital Electronics
If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

 000 001 1100.
 000 000 1110.
  000 000 1100.
  000 000 1000.

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor gives two outputs while exor gives one
 xor gives one output while exor gives two
 xor and exor are complement of each other
 both are same

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Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 00001000
 01110011
 00001100

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Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A + B
 A & B
 A.B
 A - B

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