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C Programming · Quiz 1 · 26 Oct 2025 (Afternoon)

17 questions · 50 marks · 60 min

Answer key Take as mock

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Programming in C

Quiz 1 · 26 Oct 2025 (Afternoon)

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
MSQ: One or more options correct. Select all to score.
NAT: Numerical response. No negative marking.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Q1MCQ2 Marks·Choose one option
Key ↓
Which of the following correctly ranks the memory units from fastest to slowest access time?
1. ACache → Registers → RAM → Hard Disk → Optical Disk
2. BRegisters → Cache → RAM → SSD → Hard Disk
3. CRAM → Registers → Cache → SSD → Hard Disk
4. DRegisters → RAM → Cache → HDD → SSD
Q2MCQ2 Marks·Choose one option
Key ↓
In an N-bit signed integer representation using 2’s complement, what is the range of values?
1. A
2. B
3. C
4. D
Q3MCQ2 Marks·Choose one option
Key ↓
Which of the following statements about Boolean conditions in C is true?
1. AIn C, 0 represents true, and any non-zero value represents false.
2. BIn C, 0 represents false, and any non-zero value represents true.
3. CC treats only positive integers as true.
4. DIn C, positive integers represent true, and negative integers represent false.
Q4MCQ3 Marks·Choose one option
Key ↓
The decimal number 2748 is represented in hexadecimal as:
1. A0xABC
2. B0xABD
3. C0xABE
4. D0xABF
Q5MCQ3 Marks·Choose one option
Key ↓
What is the minimum number of bits required to represent all integer values from −120 to +120 in a signed binary representation?
1. A5 Bits
2. B6 bits
3. C7 bits
4. D8 bits
5. E9 bits
Q6MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. Aa = 13, b = -4, c = 12
2. Ba = 12, b = -3, c = 11
3. Ca = 14, b = -5, c = 13
4. Da = 11, b = -2, c = 10
Q7MCQ3 Marks·Choose one option
Key ↓
1. A100
2. B200
3. C300
4. D400
Q8MCQ3 Marks·Choose one option
Key ↓
1. A6 5 4
2. B6 4 5
3. C6 3 5
4. D6 5 3
Q9MCQ4 Marks·Choose one option
Key ↓
1. ASum of first N natural numbers
2. BSum of squares of first N natural numbers
3. CSum of cubes of first N natural numbers
4. DFactorial of N
Q10MCQ4 Marks·Choose one option
Asked 3 times Key ↓
1. A0 1 2 5 6
2. B0 1 5 6
3. C1 2 3 6
4. D1 2 3 5 6
Q11MSQ2 Marks·Choose all correct options
Key ↓
Which of the following are key functions of the Arithmetic Logic Unit (ALU)?
1. AAddition and subtraction
2. BLogical comparisons (>, <, =)
3. CMemory storage management
4. DMultiplication and division
5. EInstruction decoding
Q12MSQ2 Marks·Choose all correct options
Asked 2 times Key ↓
Which statement is true about short-circuit evaluation in C?
1. AIn expr1 && expr2, if expr1 is false, expr2 is not evaluated.
2. BIn expr1 || expr2, if expr1 is true, expr2 is not evaluated.
3. CIn expr1 && expr2, if expr1 is true, expr2 is not evaluated.
4. DIn expr1 || expr2, if expr1 is false, expr2 is not evaluated.
Q13MSQ3 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
5. E
Q14MSQ3 Marks·Choose all correct options
Key ↓
1. Aa = 6, b = 4
2. Ba = 3, b = 5
3. Ca = 2, b = -3
4. Da = 4, b = 6
Q15NAT3 Marks·Write the number
Key ↓
Your answer:
Q16NAT4 Marks·Write the number
Key ↓
Your answer:
Q17NAT4 Marks·Write the number
Asked 3 times Key ↓
Your answer:

Official Key

Master Answer Key & Explanations

Official answer keys from IIT Madras BS past papers. Click any question to review.

Reveal Key

Q1B

Q2A

Q3B

Q4A

Q5D

Q6A

Q7D

Q8D

Q9B

Q10C

Q11A, B, D

Q12A, B

Q13B, C, E

Q14C, D

Q1513

Q165

Q1721

Questions and answer keys are reproduced from the official IIT Madras BS papers. BTechi is not affiliated with IIT Madras.