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Digital Electronics

Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 4
 3 × 8
 8 × 8
 8 × 4

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 an OR or a NAND
 a NAND or a NOR
 an X-OR or an X-NOR
 an AND or an X-NOR

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Digital Electronics
An all or nothing gate is the other name of

 OR gate
 X-OR gate
 AND gate
 X-NOR gate

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

 < 20
 < 12
 < 25
 < 6

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

 16
 1024
 32
 65536

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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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