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Digital Electronics

Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 32
 1024
 16
 65536

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NAND
 OR
 X-OR
 NOR

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Conversion
 Combinational
 Sequential
 Both A and B

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 none
 both are same
 1.
 2.

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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

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

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Digital Electronics
The only function of NOT gate is to ___________.

None of these
Stop signal
Act as a universal gate
Invert input signal

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