Programming for Problem Solving Unit 1 – Introduction to Computer System and C Basics: AKTU previous year questions
71 AKTU questions from Unit 1 (Introduction to Computer System and C Basics) asked in 2019–2026, tagged by marks, year and topic. In short: about 31 marks of every paper come from this unit; the most asked topic is Data Types Variables Storage (19 times); 68 questions came back in a later year. The latest ones are listed below; on the page you can filter them by 2-mark or long questions, topic and repeats.
Unit 1 previous year questions
- Write the fundamental data types used in C Programming, along with their range, byte size and format specifier. (2 marks, 2026, Data Types Variables Storage)
- Draw the memory hierarchy of a computer. (2 marks, 2026, Components of Computer System)
- Differentiate between compiler and interpreter. Also differentiate between syntax error and logical error. (7 marks, 2026, Language Processors)
- Write an algorithm to calculate sum of digits of a number entered by the user. (7 marks, 2026, Algorithm Representation)
- Discuss various storage classes used in C with examples. (7 marks, 2026, Data Types Variables Storage)
- Write an algorithm to find the greatest of three numbers. Also draw the flowchart for the algorithm. (7 marks, 2026, Algorithm Representation)
- What is the difference between compiler and interpreter? (2 marks, 2025, Language Processors)
- Define Tokens and its use in Programming language. (2 marks, 2025, Structure of C Program)
- Write a short note on flowchart and its use. (2 marks, 2025, Algorithm Representation)
- Differentiate between low level language and high-level language. (2 marks, 2025, Language Processors)
- Explain the purpose of the scanf() and printf() functions in C. (2 marks, 2025, Data Types Variables Storage)
- Explain various components of a computer system with a neat diagram. (7 marks, 2025, Components of Computer System)
Most asked Unit 1 topics
- Data Types Variables Storage – asked 19 times
- Components of Computer System – asked 17 times
- Algorithm Representation – asked 17 times
Unit 1 question pattern
- 2-mark questions: 27 asked in 2019–2026
- 7-mark questions: 25 asked in 2019–2026
- 10-mark questions: 19 asked in 2019–2026
- About 31 marks from Unit 1 in every paper
- 68 questions were asked again in a later year
Unit 1 questions year by year
- 2026: 6 Unit 1 questions asked (32 marks across that year's papers)
- 2025: 12 Unit 1 questions asked (59 marks across that year's papers)
- 2024: 9 Unit 1 questions asked (48 marks across that year's papers)
- 2023: 12 Unit 1 questions asked (64 marks across that year's papers)
- 2022: 16 Unit 1 questions asked (104 marks across that year's papers)
- 2021: 5 Unit 1 questions asked (34 marks across that year's papers)
- 2020: 5 Unit 1 questions asked (34 marks across that year's papers)
- 2019: 6 Unit 1 questions asked (44 marks across that year's papers)