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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 2
 1
 4
 3

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Digital Electronics
Transfer of data from one register to another register is known as ________ register operation.

 In between
 Inter
 Intra
 Inside

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

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

 50 to 100
 < 50
 12 to 99
 < 500

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 1 V and -5 V
 0 V and 5 V
 –1.5 V and – 5 V
 5 V and 0 V

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Digital Electronics
In decimal number system what is MSD

 First digit from left to right
 First digit from right to left
 Mean of all digits
 Middle digit

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