Code Converters and Multiplexers - General Questions Online Exam Quiz

Code Converters and Multiplexers - General Questions GK Quiz. Question and Answers related to Code Converters and Multiplexers - General Questions. MCQ (Multiple Choice Questions with answers about Code Converters and Multiplexers - General Questions

How many outputs are on a BCD decoder?

Options

A : 4

B : 16

C : 8

D : 10

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In a Gray code, each number is 3 greater than the binary representation of that number.

Options

A : True

B : False

C : -

D : -

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Use the weighting factors to convert the following BCD numbers to binary.

Options

A : 01010011    001001101000

B : 11010100    100001100000

C : 110101        100001100

D : 101011        001100001

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Which digital system translates coded characters into a more useful form?

Options

A : encoder

B : display

C : counter

D : decoder

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From the following list of input conditions, determine the state of the five output leads on a 74148 octal-to-binary encoder. I 0 = 1 I 3 = 1 I 6 = 1 I 1 = 1 I 4 = 0 I 7 = 1 I 2 = 1 I 5 = 1 EI = 0

Options

A : GS = L, A 0 = L, A 1 = L, A 2 = H, EO = H

B : GS = L, A 0 = H, A 1 = L, A 2 = L, EO = H

C : GS = L, A 0 = L, A 1 = H, A 2 = L, EO = H

D : GS = L, A 0 = H, A 1 = H, A 2 = L, EO = H

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What is the function of an enable input on a multiplexer chip?

Options

A : to apply V cc

B : to connect ground

C : to active the entire chip

D : to active one half of the chip

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The expansion inputs to a comparator are used for expansion to a(n):

Options

A : 4-bit system

B : 8-bit system

C : BCD system

D : counter system

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What do the mathematical symbols A < b and A > B mean?

Options

A : A < B means A is greater than B . A > B means A is less than B .

B : A > B means A is less than B . A < B means A is greater than B .

C : A < B means A is less than B . A > B means A is greater than B .

D : -

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A basic multiplexer principle can be demonstrated through the use of a:

Options

A : single-pole relay

B : DPDT switch

C : rotary switch

D : linear stepper

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How many inputs will a decimal-to-BCD encoder have?

Options

A : 4

B : 8

C : 10

D : 16

View Answer

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