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All Computer Questions CS101 Virtual University

Question 1:In Binary notation, quantity associated with each position is twice the quantity associated with the position to its ___________. ?
A) Top
B) Bottom
C) Left
D) Right
Explanation: In binary notation, each position represents a power of 2, and the quantity associated with each position is twice the quantity associated with the position to its left. This is because binary is a base-2 numbering system, where each digit's value is determined by its position.
Question 2: Negative numbers can be represented using binary notation in computers?
A) Yes
B)No
Explanation: Yes, negative numbers can be represented using binary notation in computers! One common method is Two's Complement, which allows computers to handle both positive and negative numbers efficiently..
Question 3: For signed numbers, _________ bit is used to represent sign ?
A) Central
B) Left Most
C) Right Most
D) No
Explanation: For signed numbers, the leftmost bit is used to represent the sign. A 0 usually indicates a positive number, while a 1 represents a negative number in two’s complement notation.
Question 4: The popular method to store fractional number is _______________?
A) Decimal Notation
B) Binary Notation
C) Radix Notation
D) Floating Point Notation
Explanation: To store fractional numbers, the position of the radix point is also stored. This helps in accurately representing decimal values in floating-point notation.
Question 5: The number of bits to represent each value in two’s complement notation is/are __________?
A) Diffrent
B) Fixed
C) Always0
D) Always8
Explanation: In two’s complement notation, the number of bits used to represent each value is fixed. This ensures that the system consistently handles both positive and negative numbers without ambiguity.
Question 6: To store a fractional numbers, ____________ of radix point is also stored ?
A) Position
B) Value
C) Name
D) None of the given
Explanation: To store fractional numbers, the position of the radix point is also stored. This helps in accurately representing decimal values in floating-point notation.
Question 7: In floating point notation, _________ has the actual value of the given number?
A) Sign bit
B) Mantissa
C) Radix
D) Exponent
Explanation: In floating point notation, the mantissa holds the actual value of the given number. It represents the significant digits of the number, while the exponent helps in scaling the value.
Question 8: ?
A)
B)
C)
D)
Explanation:
Question 9: In floating point notation, _______ bit(s) is/are reserved to store the sign of the value?
A) N
B) 0
C) 2
D) 1
Explanation: To store fractional numbers, the position of the radix point is also stored. This helps in accurately representing decimal values in floating-point notation.

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