Digital Signal Processing Questions and Answers | Digital Signal Processing MCQs

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Questions
1 What is the resolution to cover a range of numbers xmax-xmin with ‘b’ number of bits?
A (xmax+xmin)/(2b-1)
B (xmax+xmin)/(2b+1)
C (xmax-xmin)/(2b-1)
D (xmax-xmin)/(2b+1)

Answer:(xmax-xmin)/(2b-1)
2 What are the mantissa and exponent required respectively to represent ‘5’ in binary floating point representation?
A 011,0.110000
B 0.110000,011
C 011,0.101000
D 0.101000,011

Answer:0.101000,011
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3 If the two numbers are to be multiplied, the mantissa are multiplied and the exponents are added.
A True
B False

Answer:True
4 What is the smallest floating point number that can be represented using a 32-bit word?
A 3*10-38
B 2*10-38
C 0.2*10-38
D 0.3*10-38

Answer:0.3*10-38
5 If 0< E<255, then which of the following statement is true about X?
A Fractional number
B Infinity
C Mixed number
D Zero

Answer:Mixed number
6 For a twos complement representation, the truncation error is ____________
A Always positive
B Always negative
C Zero
D None of the mentioned

Answer:Always negative
7 Due to non-uniform resolution, the corresponding error in a floating point representation is proportional to the number being quantized.
A True
B False

Answer:True
8 What is the binary equivalent of (-3/8)?
A (10011)2
B (0011)2
C (1100)2
D (1101)2

Answer:(1101)2
9 Which of the following is the correct representation of a floating point number X?
A 2E
B M.2E(1/2<M<1)
C 2M.2E(1/2<M<1)
D None of the mentioned

Answer:M.2E(1/2<M<1)
10 What is the mantissa and exponent respectively obtained when we add 5 and 3/8 in binary float point representation?
A 0.101010,011
B 0.101000,011
C 0.101011,011
D 0.101011,101

Answer:0.101011,011

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