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Introduction to Computing MCQs with Answers

Practice important Introduction to Computing MCQs with answers and explanations.

Chapter: 23
Q381:
What do you do if there is no carry in binary addition?
A. Place the sum in the result column
B. Place 0 and move to the next column
C. Ignore the result
D. Add an extra bit
Correct Answer: A
Chapter: 23
Q382:
How do binary addition rules compare to decimal addition?
A. Binary addition has only two possible digits and requires carry
B. Binary addition has more digits and no carry is used
C. Decimal addition has fewer digits but requires multiple carries
D. Binary addition is simpler with no need for carry
Correct Answer: A
Chapter: 23
Q383:
What is the result of adding 0001 and 0001 in binary?
A. 10
B. 11
C. 100
D. 1
Correct Answer: A
Chapter: 23
Q384:
In binary addition, what happens when adding 111 and 111?
A. The result is 1110 with a carry
B. The result is 1111 with no carry
C. The result is 1000 with a carry
D. The result is 1001 with no carry
Correct Answer: A
Chapter: 23
Q385:
What is the result of adding binary numbers 1010 and 0110 from right to left?
A. 10000
B. 10100
C. 11000
D. 10010
Correct Answer: B
Chapter: 23
Q386:
How is a carry handled in binary addition?
A. It is moved to the next higher bit position
B. It is added to the current bit position
C. It is ignored
D. It is subtracted from the current bit position
Correct Answer: A
Chapter: 23
Q387:
What is the binary sum of 0011 and 0101?
A. 1000
B. 110
C. 1010
D. 1100
Correct Answer: C
Chapter: 24
Q388:
What does the radix point in binary represent?
A. Whole number part only
B. Fractional part only
C. Both whole number and fractional parts
D. Decimal point equivalent
Correct Answer: C
Chapter: 24
Q389:
How is the radix point used in binary numbers?
A. Separates the integer part from the fractional part
B. Separates digits in the whole number
C. Indicates the end of a binary number
D. Marks the start of binary addition
Correct Answer: A
Chapter: 24
Q390:
What is the result of adding 10.011 and 100.11 in binary?
A. 110.101
B. 111.001
C. 111.011
D. 101.101
Correct Answer: B
Chapter: 24
Q391:
When adding binary fractions, what should be aligned?
A. Radix point
B. Whole number part
C. Fractional part
D. Both whole number and fractional parts
Correct Answer: A
Chapter: 24
Q392:
How do you read the fractional part in binary numbers?
A. As a series of bits to the right of the radix point
B. As part of the whole number
C. As a decimal point value
D. As an exponent value
Correct Answer: A
Chapter: 24
Q393:
What is the binary addition result of 101.1 and 10.01?
A. 1000.11
B. 111.11
C. 111.01
D. 100.11
Correct Answer: C
Chapter: 24
Q394:
In binary, where is the radix point placed?
A. Between the whole number and fractional parts
B. After the last digit of the whole number
C. Before the first digit of the fractional part
D. After the last digit of the fractional part
Correct Answer: A
Chapter: 24
Q395:
How do you perform addition of binary fractions?
A. Align the radix point and add as in decimal
B. Add the numbers directly without aligning
C. Convert to decimal, add, and convert back
D. Only add the whole number parts
Correct Answer: A
Chapter: 24
Q396:
What is the correct way to handle binary fractions during addition?
A. Align the radix point and perform bitwise addition
B. Treat as integer addition without radix alignment
C. Ignore the radix point and add normally
D. Convert to decimal format before addition
Correct Answer: A
Chapter: 24
Q397:
What does the binary number 101.011 represent with radix point?
A. 5.375
B. 5.5
C. 5.625
D. 5.25
Correct Answer: C
Chapter: 24
Q398:
If you add 100.11 and 11.001, what is the sum in binary?
A. 111.111
B. 101.111
C. 101.01
D. 111.01
Correct Answer: A
Chapter: 24
Q399:
In binary fraction addition, what does aligning the radix point ensure?
A. Correct placement of the decimal result
B. Accurate representation of integer values
C. Proper alignment of fractional and whole parts
D. Uniform binary digit width
Correct Answer: C
Chapter: 24
Q400:
How is the binary radix point similar to the decimal point?
A. Both separate whole and fractional parts
B. Both represent the start of a number
C. Both indicate the end of the number
D. Both are used for integer only
Correct Answer: A

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