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Arithmetic Operations and Circuits MCQ Questions & Answers

Arithmetic Operations and Circuits MCQs : This section focuses on the "Arithmetic Operations and Circuits". These Multiple Choice Questions (MCQs) should be practiced to improve the Arithmetic Operations and Circuits skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

The range of an 8-bit two's complement word is from:

A. +12810 to –12810
B. –12810 to +12710
C. +12810 to –12710
D. +12710 to –12710

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Question 2

How many basic binary subtraction operations are possible?

A. 4
B. 3
C. 2
D. 1

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Question 3

How many basic binary subtraction combinations are possible?

A. 4
B. 3
C. 2
D. 1

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Question 4

The selector inputs to an arithmetic-logic unit (ALU) determine the:

A. selection of the IC
B. arithmetic or logic function
C. data word selection
D. clock frequency to be used

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Question 5

What are the two types of basic adder circuits?

A. half adder and full adder
B. half adder and parallel adder
C. asynchronous and synchronous
D. one's complement and two's complement

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Question 6

Adding in binary, the decimal values 26 + 27 will produce a sum of:

A. 111010
B. 110110
C. 110101
D. 101011

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Question 7

Binary subtraction of a decimal 15 from 43 will utilize which two's complement?

A. 101011
B. 110000
C. 11100
D. 110001

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Question 8

Adding the two's complement of –11 + (–2) will yield which two's complement answer?

A. 1110 1101
B. 1111 1001
C. 1111 0011
D. 1110 1001

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Question 9

When 1100010 is divided by 0101, what will be the decimal remainder?

A. 2
B. 3
C. 4
D. 6

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Question 10

When multiplying in binary the decimal values 13 × 11, what is the third partial product?

A. 100000
B. 100001
C. 0
D. 1011

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Question 11

The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:

A. increase ripple delay
B. add a 1 to complemented inputs
C. reduce propagation delay
D. determine sign and magnitude

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