Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q431: How can you convert from Excess 4 to Binary notation?
- A: Subtract 4 from the Excess value
- B: Add 4 to the Excess value
- C: Multiply the Excess value by 4
- D: Divide the Excess value by 4
View Answer
A
Q432: What is the primary purpose of floating-point notation?
- A: To represent integers only
- B: To represent values with fractional parts
- C: To store character data
- D: To encode images
View Answer
B
Q433: In floating-point notation, what does the high-order bit of the byte represent?
- A: The exponent
- B: The sign
- C: The mantissa
- D: The radix point
View Answer
B
Q434: How many bits are used for the mantissa field in the 8-bit floating-point example?
- A: 3
- B: 4
- C: 7
- D: 8
View Answer
B
Q435: In the floating-point notation example 01101011, what is the value of the exponent field?
- A: 11
- B: 101
- C: 110
- D: 0
View Answer
C
Q436: What does the mantissa field represent in floating-point notation?
- A: The fractional part of the number
- B: The whole number part
- C: The sign of the number
- D: The position of the radix point
View Answer
A
Q437: How is the radix point adjusted when the exponent is positive in floating-point notation?
- A: It moves to the right
- B: It moves to the left
- C: It stays in the same position
- D: It doubles
View Answer
A
Q438: What does the floating-point pattern 00111100 represent?
- A: 23/4
- B: 45359
- C: 45293
- D: 45295
View Answer
B
Q439: How do you determine the sign of the value in floating-point notation?
- A: By examining the mantissa
- B: By checking the exponent field
- C: By looking at the sign bit
- D: By reading the radix point
View Answer
C
Q440: What is the normalized form in floating-point notation?
- A: A form where the mantissa starts with 1
- B: A form where the mantissa ends with 1
- C: A form where the exponent is zero
- D: A form where the radix point is fixed
View Answer
A