BCS-011 is a foundational paper in IGNOU's BCA program that builds your understanding of how computers work — from hardware basics and number systems to networking, cloud computing, and PC software tools like Microsoft Excel. The BCS 011 Question Paper December 2025 tests both theoretical knowledge and applied thinking. Whether you are attempting this paper for the first time or improving a previous score, Unnati Education's solved paper gives you exam-ready answers that match IGNOU's expected format.
About This Solved Paper
| Prepared by | Unnati Education, IGNOU-experienced academic content writer |
| Qualification | Graduate with specialization in Computer Applications and Information Technology |
| Program | IGNOU BCA, Bachelor of Computer Applications |
| Institution Reference | IGNOU Term-End Examination December 2025 |
Download Now — Get BCS-011 Solved Question Paper December 2025 IGNOU
BCA students preparing for the December 2025 Term-End Exam often struggle to find solved material that actually addresses the BCS-011 paper — not a generic computer science PDF from three sessions ago. Our BCOS-011 Solved Question Paper is written specifically for the December 2025 paper. Every answer is structured to match what IGNOU examiners expect, covering the right concepts, the right depth, and the right length for each mark allocation. That is what makes the difference between a pass and a confident score.
What is BCS 011 Question Paper December 2025?
The BCS 011 December 2025 question paper is the official IGNOU Term-End Examination for Computer Basics and PC Software under the BCA program, carrying 100 marks with Question 1 compulsory and any three from the remaining four to be attempted.
The paper was conducted under the IGNOU December 2025 Term-End Examination schedule. Question 1 alone carries 40 marks and covers multiple sub-parts including number systems, programming output, browser security, and hardware concepts. The remaining four questions carry 20 marks each and go deeper into networking, Excel operations, algorithms, cloud computing, and social networking safety.
About BCS-011 — Computer Basics and PC Software
BCS-011 covers the building blocks of computing that every BCA student needs. You study number systems and binary conversions, which are foundational to understanding how computers store and process data. Hardware components, input devices like the mouse, and the Von Neumann Architecture explain how a computer is physically structured. On the software side, the paper covers compilers and interpreters, batch processing, and Microsoft Excel operations including formulas, worksheet navigation, and file protection. Networking topics include URL components, DNS, TCP/IP layers, gateways, routers, and cloud computing. Security — confidentiality, integrity, availability, browser safety, and social networking precautions — is another significant area. Here's the important part: this paper rewards students who can explain technical concepts in plain, structured language.
BCS 011 Question Paper December 2025 — Exam Pattern
The exam is three hours long with 100 total marks. Question 1 is compulsory and carries 40 marks — it has multiple sub-parts each worth 2 to 6 marks. You must attempt any three from Questions 2 to 5, each carrying 20 marks. Most questions in the optional section are further divided into two or three parts. In practice, students who prepare Question 1 thoroughly are already halfway through the paper. Marks are available across a wide range of topics, so selective preparation can hurt your score.
All Questions — BCS 011 Question Paper December 2025 IGNOU
Below are all questions exactly as printed in the official IGNOU December 2025 question paper for BCS-011:
- (a) (i) What is the exact number of bytes in 1 MB? (2) (ii) What is an assembler? (2) (iii) Write down the steps to be followed to protect Microsoft Excel spreadsheet? (2) (iv) Write down any two advantages of e-Learning. (2) (v) What will be the output of the following program fragment? (2) a = 43 b = 19 c = 97 if a > b print (c) else print (d)
- (b) List any three advantages of computers and describe each one of them. (6)
- (c) Convert the decimal number 37.25 to its binary equivalent. (4)
- (d) Suppose you and your friend are communicating by sending each other letters through the postal service. Is this simplex, half duplex or full duplex communication? Justify your answer. (4)
- (e) What is a Browser? How does it work? Also, explain the security aspects of a browser. (6)
- (f) Explain, in the context of security, the meaning and importance of the following: (6) (i) Confidentiality (ii) Integrity (iii) Availability
- (g) What are compilers and interpreters? Explain the advantages of each. (4)
- (a) Describe the components of a Uniform Resource Locator (URL). Also, explain the need of DNS. (8) (b) Write the command to locate the bad sectors and repair the errors in the disk E: on your computer. Explain this command with the help of an example. (4) (c) What is a blog? How can you create and publish your own blog? List the precautions you should take while posting content on your blog. (8)
- (a) Draw the flowchart and write corresponding algorithm to find the sum of all the natural numbers from 101 to 200. (7) (b) In cell D46 of an Excel worksheet called 'first' you have entered the formula to find the rate of return of a series of investments. How will you copy the result of this calculation to the cell L93 in another worksheet called 'target' of the same Excel workbook? (4) (c) What is batch processing? List any two situations where it would be the better approach. (4) (d) Your friend was working on an important document file called "important.docx" on the hard disk. While working he deleted it by mistake. He asks you what the better course of action to take now should be: Create the file from scratch again OR Hunt for the backup he was sure he had made someday and restore the file from there. Is there any better advice you can give your friend to get back the file? Explain its steps in detail. (5)
- (a) Draw the diagram of the Von Neumann Architecture for a computer and explain how it works. (6) (b) What is cloud computing? How is it advantageous? List four of its key features. Explain how the software as a service model works. (7) (c) What are the layers of the TCP/IP stack? Describe the function of each layer briefly. List three benefits of TCP/IP. (7)
- (a) List the precautions one should take while using social networking sites. (6) (b) What is a gateway in a computer network? How does it differ from a router? (6) (c) What is a mouse and what is its function? Explain the features of a mechanical, optical and cordless mouse. (8)
Frequently Asked Questions — BCS 011 Question Paper December 2025 IGNOU
What is BCS-011?
BCS-011, also listed as BCS-111 in the new BCA scheme, is the Computer Basics and PC Software paper under IGNOU's Bachelor of Computer Applications program.
What is the exam pattern for BCS-011 December 2025?
The paper is three hours long with 100 total marks. Question 1 is compulsory and carries 40 marks.
Which topics are most important in BCS-011 December 2025?
Based on the actual December 2025 paper, the most tested topics are byte and binary number systems, assembler and compiler definitions, Excel protection and formula operations, browser working and security, the CIA security triad, URL and DNS, blog creation, TCP/IP layers, Von Neumann Architecture, cloud computing and SaaS, flowcharts and algorithms, batch processing, file recovery, mouse types, gateways, and social networking safety.
How can I access the IGNOU BCS-011 December 2025 question paper?
The full BCS-011 December 2025 question paper with all questions and sub-parts is available on this page exactly as printed in the official IGNOU paper.
Get Your BCS 011 Question Paper December 2025 Solved Paper Now
You have seen the complete question paper. You know the exam pattern and which topics carry the most marks. Now is the time to prepare with answers that are actually written for this paper. The BCS-011 Solved Question Paper December 2025 from Unnati Education covers every question and sub-part with the right structure, technical accuracy, and IGNOU-aligned format. Contact us on WhatsApp or through the form below and receive your solved paper today.