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Digital Electronics

Digital Electronics
An n variable K-map can have

 n2n cells
 n2 cells
 2n cells
  nn cells

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 101001
 100111
 001000
 0001111

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Digital Electronics
In Boolean algebra A.A is equal to

 A
 1
 2A
 A²

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Digital Electronics
Why decoder is used in the digital electronics ?

 To convert coded information into non coded form
None of these
 To convert non coded information into coded form
 It is used to separate address bus and data bus

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Digital Electronics
Which one of the following is 2’s complement of -68?

 11000100
 01111100
 00111100
 10111100

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 X-OR gates
 AND gates
 NOR gates
 NAND gates

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MORE MCQ ON Digital Electronics

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