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Digital Electronics

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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Digital Electronics
In MSI, the number of gate circuits per chip is

 < 50
 < 500
 12 to 99
 50 to 100

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1100
 1001
 1000
 0011

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

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

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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?

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

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Digital Electronics
The decimal number 0.246 in binary is

 0.001101
 0.001111
 0.010111
 0.011011

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