IGNOU MCSL-017(SET-IV) Previous Year Question Papers – Download TEE Papers
About IGNOU MCSL-017(SET-IV) – C AND ASSEMBLY LANGUAGE PROGRAMMING LAB
C and Assembly Language Programming Lab focuses on the practical application of low-level and high-level programming concepts, specifically targeting students in the MCA and BCA programs. This lab course bridges the gap between hardware architecture and software logic, requiring students to demonstrate proficiency in writing efficient code for both the C language and 8086 assembly instructions. It serves as a foundational component for understanding how computers execute instructions at the processor level while maintaining the structured approach of modern programming.
What MCSL-017(SET-IV) Covers — Key Themes for the Exam
Understanding the core themes of the practical examination is essential for any student looking to excel in their Term-End Examination (TEE). By analyzing the recurring patterns in these papers, candidates can identify which specific programming logic and assembly instructions are favored by examiners. Focusing on these themes ensures that your preparation is targeted and efficient, reducing the time spent on less relevant topics while mastering high-weightage areas.
- Array Manipulation in C — Examiners frequently test the ability to perform operations like sorting, searching, and matrix multiplication using pointers and arrays. These questions assess the student’s understanding of memory allocation and index management in a high-level language environment.
- File Handling and Structures — Many TEE papers include tasks involving the creation, reading, and writing of files using C structures. This theme tests whether a student can manage complex data types and persistent storage, which are critical skills for system-level software development.
- 8086 Assembly Arithmetic — A significant portion of the lab exam involves writing assembly programs for basic arithmetic operations like 16-bit addition, subtraction, or finding the largest number in a memory block. This tests a student’s grasp of registers (AX, BX, CX, DX) and flag manipulation.
- Interrupts and Input/Output — Assembly language questions often require the use of BIOS or DOS interrupts to take input from the keyboard or display strings on the screen. Knowing how to call INT 21h or INT 10h is a recurring requirement that proves a student understands system calls.
- Logical Instructions in Assembly — Questions regarding bitwise operations, such as AND, OR, XOR, and bit-shifting (SHL/SHR), appear regularly to test low-level data processing skills. These are vital for tasks like parity checking or masking specific bits within a byte or word.
- String Processing — Both C and Assembly sections frequently feature string reversal, concatenation, or palindrome checking. In assembly, this specifically tests the use of string instructions like MOVSB, CMPSB, and the use of the SI and DI registers.
Mapping these past papers to the themes mentioned above allows students to build a comprehensive mental framework of the syllabus. By practicing these specific categories, you prepare yourself for the varying difficulty levels typically found in the different sets of the MCSL-017 practical exam. Consistent practice with these themes is the most reliable way to ensure a high score in the laboratory session.
Introduction
Accessing the IGNOU MCSL-017(SET-IV) Previous Year Question Papers is a strategic move for any student enrolled in the computer application programs. These past papers provide a clear window into the expectations of the university’s evaluators, showing exactly how problems are framed and what level of complexity is expected in the lab environment. Utilizing these documents allows you to simulate the actual exam atmosphere, helping to build the confidence needed to write and debug code under time constraints during the final TEE.
The examination pattern for C and Assembly Language Programming Lab usually divides the marks between the C programming section, the Assembly language section, and a viva-voce. Typically, the practical component carries the majority of the weightage, where students must demonstrate working code on a terminal. Reviewing these papers helps students understand the balance between the two languages and the type of logical problems that frequently recur, ensuring that no surprises occur during the three-hour practical session.
IGNOU MCSL-017(SET-IV) Previous Year Question Papers
| Year | June TEE | December TEE |
|---|---|---|
| 2024 | Download | Download |
| 2023 | Download | Download |
| 2022 | Download | Download |
| 2021 | Download | Download |
| 2020 | Download | Download |
| 2019 | Download | Download |
| 2018 | Download | Download |
| 2017 | Download | Download |
| 2016 | Download | Download |
| 2015 | Download | Download |
| 2014 | Download | Download |
| 2013 | Download | Download |
| 2012 | Download | Download |
| 2011 | Download | Download |
| 2010 | Download | Download |
Download MCSL-017(SET-IV) Question Papers December 2024 Onwards
IGNOU MCSL-017(SET-IV) Question Papers — December 2024
| # | Course | TEE Session | Download |
|---|---|---|---|
| 1 | MCSL-017(SET-IV) | Dec 2024 | Download |
→ Download All December 2024 Question Papers
IGNOU MCSL-017(SET-IV) Question Papers — June 2025
| # | Course | TEE Session | Download |
|---|---|---|---|
| 1 | MCSL-017(SET-IV) | June 2025 | Download |
→ Download All June 2025 Question Papers
How Past Papers Help You Score Better in TEE
Exam Pattern
The TEE for this course is a 3-hour practical session usually divided into C (40 marks) and Assembly (40 marks), followed by a 20-mark viva-voce based on the code performed.
Important Topics
High-frequency areas include recursive functions in C, pointer-based array manipulation, and 8086 assembly code for array summation or number system conversions (BCD to Hex).
Answer Writing
For practical labs, clarity of logic and proper comments in the code are vital. Always write a brief algorithm or flowchart before coding to show the examiner your structured approach.
Time Management
Spend 75 minutes on the C program, 75 minutes on the Assembly task, and reserve the final 30 minutes for debugging and preparing for the viva-voce demonstration.
Important Note for Students
⚠️ Question papers for the upcoming 2026 session will be updated
here after IGNOU releases them. Always cross-reference with the latest syllabus
at ignou.ac.in. Past papers work best alongside the official IGNOU study blocks,
not as a replacement for them.
Also Read
More resources for MCSL-017(SET-IV) preparation:
FAQs – IGNOU MCSL-017(SET-IV) Previous Year Question Papers
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✔ Last updated: April 2026
