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Digital Electronics

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

 1,00,000 to 10,00,000
 > 50,000
 50,000 to 99,999
 > 1,00,000

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 sequential codes
 BCD codes
 self-complementing codes
 cyclic codes

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 NOT gate followed by a NOR gate
 X-OR gate followed by an inverter
 inverter followed by an X-OR gate
 complement of a NOR gate

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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

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

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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
 2
 3
 4

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Digital Electronics
A debouncing circuit is

An astable MV
A latch
A monostable MV
A bistable MV

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