The O Level Question Paper January 2021 for M1-R4: IT Tools & Business Systems is useful for students preparing for the NIELIT O Level examination. This solved paper includes the MCQs with all four options, correct answers, True/False questions, matching questions, fill-in-the-blanks, and descriptive questions with answers.
The original paper is bilingual (Hindi and English), has a 3-hour duration, and carries 100 marks. Part One contains objective questions for 40 marks, while Part Two contains subjective questions for 60 marks. Candidates were instructed to answer any four questions from Part Two.
O Level January 2021 Question Paper – Overview
| Particular | Details |
|---|---|
| Examination | O Level January 2021 |
| Module | M1-R4: IT Tools & Business Systems |
| Paper Code | M1-R4-01-21 |
| Duration | 3 Hours |
| Maximum Marks | 100 |
| Part One | Objective Type – 40 Marks |
| Part Two | Subjective Type – 60 Marks |
| Language | Hindi & English |
Download: Original O Level M1-R4 January 2021 Question Paper
Part One – Objective Questions
Section 1 – Multiple Choice Questions
Each question has four options. The correct answer is given below each question.
1.1 Numbers in base 16 are called:
(A) Octal System
(B) Hexadecimal System
(C) Decimal System
(D) Binary System
Answer: (B) Hexadecimal System
Explanation: The hexadecimal number system has a base of 16 and uses digits 0–9 and letters A–F.
1.2 The formula in cell A2 is =B2+C3. On copying this formula in cell C2, the formula will be:
(A) =D3+E4
(B) =D2+E3
(C) =D2+E4
(D) =D3+E3
Answer: (B) =D2+E3
Explanation: When the formula is moved from A2 to C2, the relative references move two columns to the right.
1.3 Which of the following file extensions indicates a file created in Paint?
(A) BMP
(B) DOC
(C) STK
(D) PPT
Answer: (A) BMP
Explanation: BMP is a bitmap image format commonly associated with Paint.
1.4 Which of the following is an input device?
(A) Screen
(B) Speakers
(C) Keyboard
(D) Printer
Answer: (C) Keyboard
Explanation: A keyboard is an input device because it is used to enter data and commands into a computer.
1.5 The cost of storing a bit is minimum in:
(A) Cache
(B) RAM
(C) Register
(D) Magnetic Disk
Answer: (C) Register
1.6 ________ is known as a high-level language.
(A) Windows 7
(B) Operating System
(C) Java
(D) Apple
Answer: (C) Java
Explanation: Java is a high-level programming language.
1.7 ROUND(1363.45, -2) returns:
(A) -1364
(B) 1400
(C) 1363.45
(D) 1300
Answer: (B) 1400
Explanation: A negative second argument rounds the number to the corresponding position to the left of the decimal point. Here, -2 rounds to the nearest hundred.
📥 Download O Level Previous Year Papers PDF 2021 (Subject Wise)
| विषय | डाउनलोड लिंक |
|---|---|
| M1-R4 IT Tools & Business Systems | 🔗 Download PDF |
| M1-R4 (Web Designing & Publishing) | 🔗 Download PDF |
| M3-R5 (Programming & Problem Solving through Python) | 🔗 Download PDF |
| M4-R5 (Internet of Things and Applications) | 🔗 Download PDF |
| Practical Papers | 🔗 Download PDF |
| Model Test Papers | 🔗 Download PDF |
O Level January 2021 Answer Key – Quick Revision
MCQ Answer Key
| Question | Answer |
|---|---|
| 1.1 | B – Hexadecimal System |
| 1.2 | B – =D2+E3 |
| 1.3 | A – BMP |
| 1.4 | C – Keyboard |
| 1.5 | C – Register |
| 1.6 | C – Java |
| 1.7 | B – 1400 |
| 1.8 | B – Mail Merge |
| 1.9 | C – Real Time Processing |
| 1.10 | C – Backup |
True/False Answer Key
| Question | Answer |
|---|---|
| 2.1 | True |
| 2.2 | False |
| 2.3 | False |
| 2.4 | True |
| 2.5 | False |
| 2.6 | False |
| 2.7 | True |
| 2.8 | False |
| 2.9 | False |
| 2.10 | False |
Match the Following – Answer Key
| Question | Answer |
|---|---|
| 3.1 | B – Algorithm |
| 3.2 | F – Desktop |
| 3.3 | G – Interpreter |
| 3.4 | H – MS-Word |
| 3.5 | M – @ |
| 3.6 | A – Application Software |
| 3.7 | D – Bug |
| 3.8 | C – ARPANET |
| 3.9 | E – Programmer |
| 3.10 | I – Resolution |
Fill in the Blanks – Answer Key
| Question | Answer |
|---|---|
| 4.1 | Ctrl+E |
| 4.2 | CPU |
| 4.3 | 1024 |
| 4.4 | Scanner |
| 4.5 | Slide |
| 4.6 | RAM |
| 4.7 | Chown |
| 4.8 | Clip Art |
| 4.9 | Transpose |
| 4.10 | Modem |
Important Topics for O Level M1-R4 Preparation
The January 2021 paper covers several important areas of IT Tools & Business Systems, including:
- Number systems
- Computer fundamentals
- Input and output devices
- Computer memory
- Operating systems
- High-level languages
- MS-Word
- Mail Merge
- MS-Excel
- Excel formulas and functions
- PowerPoint presentations
- Linux commands
- Internet technology
- Multimedia
- Storage devices
- Database systems
- Referential integrity
- Data models
- Financial Information Systems
- Resolution and display concepts
Students preparing for the O Level examination can use this paper to understand the type of objective and descriptive questions asked in the examination.
Download O Level January 2021 Question Paper PDF
The original M1-R4 January 2021 question paper uploaded for this page.
The original document contains 12 pages. Pages 2–8 contain the objective section, while pages 9–10 contain the subjective questions; pages 11–12 are marked as space for rough work.
Frequently Asked Questions
What is the O Level January 2021 Question Paper?
The O Level January 2021 Question Paper is the previous examination paper for the M1-R4: IT Tools & Business Systems module. It contains objective and subjective questions.
How many marks is the O Level M1-R4 paper?
The paper carries 100 marks. Part One carries 40 marks and Part Two carries 60 marks.
How much time was given for the January 2021 O Level exam?
The duration mentioned on the question paper is 3 hours.
Are answers included with the January 2021 question paper?
Yes. This page provides the MCQs with all options and answers, True/False answers, matching answers, fill-in-the-blank answers and descriptive answers for Questions 5–9.
How many questions should be attempted in Part Two?
According to the instructions on the paper, candidates were required to answer any four questions from Part Two.
Which topics are covered in the January 2021 M1-R4 paper?
The paper includes questions on computer fundamentals, Linux, MS-Word, MS-Excel, PowerPoint, Internet technology, multimedia, storage devices, databases, financial information systems and related IT concepts.
Final Note
This O Level Question Paper January 2021 with Answers is intended as a study and revision resource. For the original wording, options and examination instructions, students should also refer to the original PDF. The uploaded question paper is the source used for the question structure and paper details on this page.

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