ALLIGATION OR MIXTURE PROBLEMS QUIZ

Why generic array logic (GAL) device was invented ?

Mask programmable

Reprogrammable

One-time programmable

None of these

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EBCDIC code is a

10-bit code

5-bit code

8-bit code

7-bit code

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When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

A = 1, B = 0, C = 1

A = 1, B = 1, C = 1

A = 0, B = 0, C = 0

A = 1, B = 1, C = 0

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A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

-128 to 127

-127 to 127

-256 to 255

-256 to 256

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A digital circuit that can store on bit is a

gate

flip-flop

XOR gate

registor

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An 8-square is called

a quad

a pair

an octet

a cube

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In MSI, the number of gate circuits per chip is

50 to 100

12 to 99

< 50

< 500

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The most suitable gate for comparing two bits is

AND

OR

NAND

X-OR

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The main equation for a D flip flop is

Q=1

Q=D'

Q=D

Q=0

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A 15-bit Hamming code requires

none of these.

4 parity bits

5 parity bits

15 parity bits

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