CS302 Midterm Solved MCQs Mega File with References by Hacker Group

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Paper # 1

MIDTERM EXAMINATION · Spring 2010 · CS302- Digital Logic Design · Time: 60 min Marks: 38

Q1. A SOP expression is equal to 1 ______________ (1 marks)

1. All the variables in domain of expression are present
2. At least one variable in domain of expression is present.
3. When one or more product terms in the expression are equal to 0.
4. When one or more product terms in the expression are equal to 1. Page86

Correct answer: When one or more product terms in the expression are equal to 1. Page86

Q2. The output A < B is set to 1 when the input combinations is (1 marks)

1. A=10, B=01
2. A=11, B=01
3. A=01, B=01
4. A=01, B=10

Correct answer: A=01, B=10

Q3. Please choose one Two 2-bit comparator circuits can be connected to form single 4-bit comparator (1 marks)

1. True
2. False

Correct answer: True

Q4. High level Noise Margins (VNH) of CMOS 5 volt series circuits is (1 marks)

1. 0.3 V
2. 0.5 V
3. 0.9 V
4. 3.3 V

Correct answer: 0.9 V

Q5. If we multiply “723” and “34” by representing them in floating point notation i.e. by first, converting them in floating point representation and then multiplying them, the value of mantissa of result will be ________ (1 marks)

1. 24.582
2. 2.4582
3. 24582
4. 0.24582

Correct answer: 24.582

Q6. The output of the expression F=A+B+C will be Logic ________ when A=0, B=1, C=1. the symbol‟+‟ here represents OR Gate. (1 marks)

1. Undefined
2. One
3. Zero
4. 10 (binary)

Correct answer: One

Q7. If an active-HIGH S-R latch has a 0 on the S input and a 1 on the R input and then the R input goes to 0, the latch will be (1 marks)

1. SET
2. RESET
3. Clear
4. Invalid

Correct answer: RESET