DIGITAL ELECTRONICS QUIZ

The output of a NAND gate is low

only when at least one input is high

only when all the inputs are low

only when all the inputs are high

only when at least one input is low

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

an OR or an X-OR

a NAND or an X-OR

an AND or a NOR

an OR or an X-NOR

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Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?

PLCC

BGA

PGA

QFP

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The universal gate is ___________

NAND gate

AND gate

OR gate

None of these

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Boolean algebra is also known as

Gate algebra

Switching algebra

Counting algebra

Transistor algebra

TRUE ANSWER : ?
YOUR ANSWER : ?

In Boolean algebra A.A is equal to

A²

A

2A

1

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What will be Excess - 3 code for decimal ( 584 )?

(1011 0111 1000).

(1000 1011 0111).

(0111 0100 1000).

(1000 0111 1110).

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YOUR ANSWER : ?

Extremely low power dissipation per gate can be gained from

MOS ICs

TTL ICs

CMOS ICs

ECL ICs

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Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLAS

CMOS

TTLLS

ECL

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The number of rows in the truth table of a 4-input gate is

16

4

8

12

TRUE ANSWER : ?
YOUR ANSWER : ?

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