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Welcome to the Digital Data Representation MCQs Page

Dive deep into the fascinating world of Digital Data Representation with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Digital Data Representation, a crucial aspect of Computer Architecture. In this section, you will encounter a diverse range of MCQs that cover various aspects of Digital Data Representation, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Computer Architecture.

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Check out the MCQs below to embark on an enriching journey through Digital Data Representation. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Architecture.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Digital Data Representation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Digital Data Representation MCQs | Page 4 of 7

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Q31.
2’s complement is used to represent signed integers, especially __________ integers.

a.

Negative

b.

Positive

c.

Both a and b

d.

None of the above

Discuss
Answer: (a).Negative
Q32.
In ___________________, to encode a negative number, first the binary representation of its magnitude is taken, complement each bit and then add 1.

a.

Signed integer representation

b.

1’s complement representation

c.

2’s complement representation

d.

Radix complement representation

Discuss
Answer: (c).2’s complement representation
Q33.
Which one of the following is the type of complement for each base R system?

a.

Diminished radix-complement representation [(R – 1)’s complement]

b.

Radix- complement representation [R’s complement]

c.

1’s and 2’s complement representation

d.

Both a and b

Discuss
Answer: (d).Both a and b
Q34.
For subtraction of binary number, subtract the _________________.

a.

Minuend from the subtrahend digit

b.

Subtrahend digit from the minuend

c.

MSB from the LSB

d.

None of the above

Discuss
Answer: (b).Subtrahend digit from the minuend
Q35.
Which of the following condition is true for determining overflow condition in 2’s complement?

a.

When adding two positive numbers gives a negative result or when two negatives give a positive result.

b.

If sign bit (MSB) of result and sign bit of two operands are of different signs.

c.

The ‘1’ in the MSB position indicates a negative number after adding two positive numbers.

d.

All of the above

Discuss
Answer: (d).All of the above
Q36.
What does the leftmost bit represents, according to the IEEE standards?

a.

Sign of the number

b.

Position of the number

c.

Weight of the number

d.

None of the above

Discuss
Answer: (a).Sign of the number
Q37.
Floating-point numbers are those numbers, which include ______________.

a.

Decimals

b.

Fractional parts

c.

Integer values

d.

All of the above

Discuss
Answer: (d).All of the above
Q38.
The binary representation of 0.875 is 0 01111110 11000000000000000000000 in _______________presentation.

a.

128- bit

b.

Excess 127

c.

32- bit

d.

16-bit

Discuss
Answer: (c).32- bit
Q39.
1000001 represents as (65)10 in which code?

a.

ASCII code

b.

Straight binary code

c.

Gray code

d.

BCD code

Discuss
Answer: (b).Straight binary code
Q40.
In straight binary code, N-bits or N binary digits can represent ______________ different values.

a.

2^N

b.

2^(N+1)

c.

2^(N-1)

d.

2^N -1

Discuss
Answer: (a).2^N
Page 4 of 7

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