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Digital Electronics

Digital Electronics
The most suitable gate for comparing two bits is

 X-OR
 AND
 NAND
 OR

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 2
 3
 4
 1

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Digital Electronics
The Quine– McClusky method of minimization of a logic expression is a (i) graphical method (ii) algebraic method (iii) tabular method (iv) a computer-oriented algorithm The correct answers are

 (ii) and (iv)
 (iii) and (iv)
 (i) and (iii)
 (i) and (ii)

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Digital Electronics
Most of the digital computers do not have floating point hardware because

It is not possible to perform floating point addition by hardware
It is slower than software
Floating point hardware is costly
Of no specific reason

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 AND, NAND
 NAND, AND
 NOR, OR
 OR, NOR

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Digital Electronics
Which of the following is not a transmission medium?

 Telephone lines.
 Coaxial cables.
 Microwave systems.
  Modem.

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