OS · System calls & traps in RISC-V

3 questions · 8 marks · 1 paper

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Operating Systems

System calls & traps in RISC-V

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Q1MCQ2 Marks·Choose one option
Key ↓
In RISC-V, during system calls, which register stores the current mode of operation of the processor?
1. A
2. B
3. C
4. D
Q2MCQ3 Marks·Choose one option
Key ↓
1. AThe base address of the process stack.
2. BThe return value of the system call.
3. CThe number of arguments passed to the system call.
4. DThe number identifying the requested system call.
Q3MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D

Official Key

Master Answer Key & Explanations

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

Reveal Key

Q1C

Q2D

Q3C

Questions and answer keys are reproduced from the official IIT Madras BS papers. Topics and repeated question types are BTechi’s own grouping. BTechi is not affiliated with IIT Madras.