CS302 Midterm Solved Paper

Q1. The maximum number that can be represented using unsigned octal system is _______ (1 marks)

1. 1
2. 7
3. 9
4. 16

Correct answer: 7

Q2. If we add “723” and “134” by representing them in floating point notation i.e. by first, converting them in floating point representation and then adding them, the value of exponent of result will be ________ (1 marks)

1. 0
2. 1
3. 2
4. 3

Correct answer: 2

Q3. The diagram given below represents __________ (1 marks)

1. Demorgans law
2. Associative law
3. Product of sum form
4. Sum of product form

Correct answer: Product of sum form

Q4. The range of Excess-8 code is from ______ to ______ (1 marks)

1. +7 to -8
2. +8 to -7
3. +9 to -8
4. -9 to +8

Correct answer: +7 to -8

Q5. A non-standard POS is converted into a standard POS by using the rule _____ (1 marks)

A A

1. A+B = B+A

Q6. The 3-variable Karnaugh Map (K-Map) has _______ cells for min or max terms (1 marks)

1. 4
2. 8
3. 12
4. 16

Correct answer: 8

Q7. The binary numbers A = 1100 and B = 1001 are applied to the inputs of a comparator. What are the output levels? (1 marks)

1. A > B = 1, A < B = 0, A < B = 1
2. A > B = 0, A < B = 1, A = B = 0
3. A > B = 1, A < B = 0, A = B = 0
4. A > B = 0, A < B = 1, A = B = 1

Correct answer: A > B = 1, A < B = 0, A < B = 1

Q8. A particular Full Adder has (1 marks)

1. 3 inputs and 2 output
2. 3 inputs and 3 output
3. 2 inputs and 3 output
4. 2 inputs and 2 output

Correct answer: 3 inputs and 2 output

Q9. The function to be performed by the processor is selected by set of inputs known as ________ (1 marks)

1. Function Select Inputs
2. MicroOperation selectors
3. OPCODE Selectors
4. None of given option

Correct answer: Function Select Inputs

Q10. For a 3-to-8 decoder how many 2-to-4 decoders will be required? (1 marks)

1. 2