DIGITAL ELECTRONICS QUIZ

Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

256 × 1

16 × 16

64 × 4

32 × 8

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If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

000 000 1100.

000 000 1110.

000 000 1000.

000 001 1100.

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10’s complement of 63325600 is

36674400

633256600

36774400

366744399

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The decimal number 0.246 in binary is

0.001111

0.010111

0.001101

0.011011

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Which of the following is equivalant to an ODD function

NOR

AND-NOR

XOR

XNOR

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A small circle or dot on top of an IC represents

Pin1

Pin14

Pin13

Pin2

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What logic function is produced by adding an inverter to each input and output of an AND gate?

X-OR

NAND

OR

NOR

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Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

2, 4, 6, 8, 10, …..

2, 4, 6, 10, 16……..

2, 4, 6, 10, 12, …

2, 3, 4, 5, 6, ….

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Which of the following is a self-complementing code?

XS-3 code

Hamming code

Gray code

cyclic code

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Unit distance code is the other name of

XS-3 code

cyclic code

self-complementing code

sequential code

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