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Digital Electronics

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

 12 to 99
 50 to 100
 < 500
 < 50

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Digital Electronics
OR operation is equivalant to

 Union
 Intersection
 Division
 Both B and C

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 1
 2
 none
 both have same

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

None of these
 three 3-input OR gates and one 3-input AND gate
 three 3-input NAND gates and one 3-input NOR gate
 four input NAND gates only

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

 < 25
 < 6
 < 12
 < 20

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Digital Electronics
A NAND gate is called a universal logic element because

Many digital computers use NAND gates.
All the minization techniques are applicable for optimum NAND gate realization
Any logic function can be realized by NAND gates alone
It is used by everybody

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