Computer Studies Exam Questions for JSS2 First Term

You’re welcome to our school exams series where we provide you with termly examination questions in different subjects. In today’s post, we will focus on Computer Studies exam questions. We will cover Computer Studies exam questions for JSS2 First term with answers. This means that we’ll be providing you with answers to the questions at the end. Also, you will get a few success tips on how to pass Computer Studies examinations with flying colors. Remember to use the comments sections if you have questions, and don’t forget to join our Free Online Tutorial Classes on YouTube. (Subscribe to the Channel)

Introduction to Computer Studies as a School Subject

Before we venture into Past Computer Studies Exam Questions for JSS2 First term, here’s a brief introduction to the subject:

Computer Studies is an important subject that introduces students to the world of information and communication technology (ICT). It helps learners understand how computers work, how to use them effectively, and how they can be applied in different fields of life.

Through Computer Studies, students acquire basic skills in operating a computer, typing, using software applications, and exploring the internet safely. The subject also teaches logical thinking, problem-solving, and creativity—skills that are essential in today’s digital world.

By studying Computer Studies, students are better prepared to meet the demands of modern education, business, science, and technology-driven careers.

Computer Studies Exam Questions for JSS2 First Term

Computer Studies Exam Questions for JSS2 First Term are divided into two sections:

• Section A
• Section B

The first section, namely, Section A is the objective test, and students are expected to attempt all questions in the section. Section B is the theory part, and students are expected to follow specific instruction and answer the required number of questions.

Note that what you have below are JSS2 Computer Studies First Term Exam Past Questions made available to assist students in their revision for 1st term examinations and also teachers in structuring standard examinations.

SECTION A: Objective Test

Instruction: Answer all questions in this section by choosing from the options lettered A—D. Each question carries equal marks.

1. Which of the following is an example of a system software?
A. Microsoft Word
B. Microsoft Windows
C. CorelDraw
D. WPS Office

2. The smallest unit of data in a computer system is called a
A. Byte      B. Nibble
C. Bit         D. Word

3. Which of the following devices is used to enter data into a computer?
A. Monitor        B. Printer
C. Keyboard      D. Speaker

4. Which of the following is not an example of computer hardware?
A. Scanner
B. Keyboard
C. Antivirus software
D. Monitor

5. The part of the computer that can be touched and seen is called
A. Output       B. Hardware
C. Data           D. Software

6. The main function of a computer system is to
A. Process data into useful information
B. Store printed documents
C. Display pictures and videos
D. Enter information into memory

7. Which of the following is an example of an application software?
A. Linux           B. CorelDraw
C. Android       D. MS-DOS

8. Which of the following is not an example of an operating system?
A. Android
B. Unix
C. macOS
D. Microsoft Word

9. What is the main purpose of utility software?
A. Performing housekeeping tasks for the computer
B. Creating and editing documents
C. Managing user accounts
D. Running entertainment programs

10. The software used to prepare slides and visual presentations is
A. Microsoft Word
B. Microsoft PowerPoint
C. Microsoft Access
D. Microsoft Excel

11. Which of the following statements best describes an operating system?
A. It manages the computer’s resources and coordinates its operations
B. It helps users to draw and design graphics
C. It converts data into information
D. It is used only for programming

12. A collection of related data stored and organized for easy retrieval is called
A. Word processing
B. Database
C. Spreadsheet
D. Program

13. The binary number system uses
A. Two digits
B. Eight digits
C. Ten digits
D. Sixteen digits

14. How many bits make one byte?
A. 2           B. 4
C. 8           D. 16

15. How many nibbles make one byte?
A. 8          B. 2
C. 4          D. 16

16. How many bytes make one kilobyte?
A. 1000        B. 1024
C. 2000        D. 500

17. The hexadecimal number system consists of
A. 6 digits
B. 8 digits
C. 10 digits
D. 16 symbols

18. Which number system uses digits 0 to 7?
A. Decimal
B. Octal
C. Binary
D. Hexadecimal

19. In the hexadecimal system, the letter ‘A’ represents the value
A. 6         B. 9
C. 10       D. 15

20. Which of the following is not an input device?
A. Mouse       B. Light pen
C. Printer       D. Keyboard

21. Which of the following is used to produce hard copies of documents?
A. Projector       B. Printer
C. Monitor         D. Speaker

22. The part of the CPU that carries out logical operations is
A. ALU         B. CU
C. MU          D. CPU case

23. The full meaning of ALU is
A. Arithmetic Logic Unit
B. Arithmetic Logic Utility
C. Advanced Logic Unit
D. Algorithmic Logic Unit

24. Which of the following is an example of a storage device?
A. Plotter
B. Hard disk
C. Microphone
D. Monitor

25. The type of memory that loses its contents when power is off is
A. ROM         B. RAM
C. CMOS       D. Flash

26. Which of these is used to convert high-level programming language into machine language?
A. Translator
B. Utility software
C. Application software
D. System software

27. Which type of software helps in converting programs into machine-readable code?
A. Operating system
B. Utility software
C. Translators
D. Drivers

28. Software designed to perform specific tasks like accounting or video editing is called
A. Word processing software
B. Specialized application software
C. General-purpose software
D. Programming software

29. The program that checks for and removes viruses from a computer is called
A. File manager
B. Antivirus
C. Compiler
D. Disk defragmenter

30. An example of spreadsheet software is
A. Microsoft Excel
B. Microsoft Word
C. CorelDraw
D. PowerPoint

31. The software that allows users to store, manage and retrieve large amounts of information is called
A. Utility software
B. Database software
C. Word processor
D. Presentation software

32. Which of the following is not a characteristic of a computer?
A. Speed          B. Accuracy
C. Emotion       D. Storage

33. A single-user, single-task operating system can
A. Run only one program at a time
B. Run several programs at once
C. Support many users simultaneously
D. Perform multitasking

34. A single-user, multi-tasking operating system can
A. Support many users
B. Run multiple programs for one user
C. Allow one task at a time
D. Be used only in servers

35. A multi-user operating system allows
A. Several users to access a computer at the same time
B. Only one user to use the computer
C. Data entry at a time
D. File creation only

36. Which of the following is not an example of a utility program?
A. Disk cleanup
B. Virus scanner
C. Word processor
D. File compression

37. The full meaning of CPU is
A. Central Processing Unit
B. Central Programming Unit
C. Computer Power Unit
D. Central Peripheral Unit

38. The brain of the computer is
A. RAM        B. CPU
C. ROM        D. Monitor

39. Which of these storage devices is portable and removable?
A. Hard disk drive
B. Flash drive
C. DVD drive
D. Scanner

40. Which of the following is not a function of an operating system?
A. Managing hardware
B. Providing user interface
C. Performing arithmetic calculations
D. Controlling peripheral devices

41. An example of an output device is
A. Mouse      B. Speaker
C. Joystick     D. Keyboard

42. The component that interprets and executes instructions is called
A. Control Unit
B. Arithmetic Logic Unit
C. Motherboard
D. Power Supply Unit

43. Which of the following software types is designed for entertainment purposes?
A. System software
B. Application software
C. Utility software
D. Translator software

44. The main part of the computer that houses the CPU, memory, and motherboard is called
A. System unit
B. Monitor
C. Hard disk
D. Keyboard

45. Which of these represents the correct order of data processing cycle?
A. Output → Processing → Input → Storage
B. Input → Processing → Output → Storage
C. Processing → Input → Storage → Output
D. Input → Storage → Output → Processing

46. Which of the following is a characteristic of a good computer system?
A. Slow processing
B. Reliability
C. High cost
D. Frequent breakdown

47. A computer program that translates high-level language into machine code one line at a time is called
A. Compiler       B. Assembler
C. Interpreter     D. Debugger

48. The term “booting” means
A. Turning off the computer
B. Starting up the computer
C. Copying files
D. Formatting a disk

49. The collection of programs that controls how computer hardware works is called
A. Operating system
B. Application software
C. Device driver
D. Database

50. Which of these is not a computer peripheral?
A. Mouse
B. Printer
C. Motherboard
D. Scanner

Read Also: Computer Studies Exam Questions for JSS3 First Term

SECTION B: Subjective

1. Convert 46 nibbles to bit.

2. Convert 14 Kilobyte to byte.

3. Convert 4GB to Megabyte.

4. Convert 34 base 8 to base two.

5. Convert 100111 base 2 to base eight.

6. What is a presentation software.

7. Provide two examples of graphics software.

8. Define system software.

9. List two examples of operating system.

10. Give an example of an input device.

SECTION C: Essay / Theory

INSTRUCTION – Answer only five (5) questions in this section. Write your answers clearly and show working where necessary.

1. Define the following terms:
a. Hardware
b. Software

2. Differentiate between system software and application software, giving two examples of each.

3. Explain the difference between a single-user, single-task operating system and a single-user, multi-tasking operating system. Give one example each.

4. Describe three types of number systems used in computing.

5. List and explain four main functions of an operating system.

6. State five characteristics of a computer system.

7. Describe the data processing cycle with a neat, labeled diagram.

Remember to use the comments sections if you have questions, and don’t forget to join our Free Online Tutorial Classes on YouTube. (Subscribe to the Channel)

Answers to Computer Studies Exam Questions for JSS2 First Term

Answers to Section A (Objective Test)

The following table gives the correct answers to the objective section of Computer Studies exam questions for JSS2 First term. If you are using a mobile device, hold the table and scroll to the right or left for a complete view.

So here you have the answers to the objective section of Computer Studies Exam Questions for JSS2 First term. Use the comments section to let me know if you have any questions you would want me to clarify or discuss further.

Answers to Section B (Subjective Test)

1. To convert 46 nibbles to bits:
1 nibble = 4 bits
Therefore, 46 nibbles = 46 × 4 = 184 bits.

2. To convert 14 Kilobytes to bytes:
1 Kilobyte = 1024 bytes
Therefore, 14 KB = 14 × 1024 = 14,336 bytes.

3. To convert 4 GB to Megabytes:
1 GB = 1024 MB
Therefore, 4 GB = 4 × 1024 = 4096 MB.

4. Convert 34 base 8 to base 2:
Step 1: Convert 34₈ to decimal → (3 × 8¹) + (4 × 8⁰) = 24 + 4 = 28₁₀
Step 2: Convert 28₁₀ to binary → 11100₂.

5. Convert 100111 base 2 to base 8:
Group the binary digits into 3 bits from right: 100 111
100 = 4, 111 = 7
Therefore, 100111₂ = 47₈.

6. A presentation software is an application used to create slideshows that include text, images, charts, and multimedia for displaying information to an audience. Example: Microsoft PowerPoint.

7. Two examples of graphics software are:
1. CorelDraw
2. Adobe Photoshop

8. System software is a type of computer program designed to manage and control the computer hardware and provide a platform for running application software. Examples include operating systems and utility programs.

9. Two examples of operating systems are:
1. Microsoft Windows
2. Android

10. An example of an input device is a keyboard.

Answers to Section C (Theory)

1. Define the following terms:

(a) Hardware: Hardware refers to the physical components of a computer system that can be touched and seen. Examples include the keyboard, monitor, mouse, CPU, and printer.

(b) Software: Software refers to the set of instructions or programs that tell the computer what to do. It is intangible and cannot be touched. Examples include Microsoft Word, Windows, and CorelDraw.

2. Differentiate between system software and application software, giving two examples of each.

System Software: This type of software controls and manages the hardware components of the computer and allows other software to run. Examples include Windows Operating System and Linux.

Application Software: This type of software is designed to help users perform specific tasks such as typing documents or drawing pictures. Examples include Microsoft Word and CorelDraw.

3. Explain the difference between a single-user, single-task operating system and a single-user, multi-tasking operating system. Give one example each.

Single-user, Single-task Operating System: This operating system allows only one user to perform one task at a time. An example is MS-DOS.

Single-user, Multi-tasking Operating System: This operating system allows one user to perform multiple tasks at the same time. An example is Windows 10.

4. Describe three types of number systems used in computing.

(a) Binary Number System: This system uses only two digits, 0 and 1. It is the fundamental number system used by computers to represent data and instructions.

(b) Octal Number System: This system uses eight digits, from 0 to 7. It is sometimes used as a shorthand representation of binary numbers.

(c) Decimal Number System: This system uses ten digits, from 0 to 9. It is the number system commonly used by humans in daily life.

5. List and explain four main functions of an operating system.

(a) File Management: The operating system manages files on storage devices, including saving, retrieving, and deleting files.

(b) Memory Management: It allocates and controls the use of memory by various programs running on the computer.

(c) Device Management: The operating system controls and coordinates the operation of hardware devices such as printers and disk drives.

(d) Process Management: It manages the execution of different programs and ensures that the CPU is used efficiently.

6. State five characteristics of a computer system.

1. Speed – Computers can process data very fast.

2. Accuracy – Computers give very accurate results when properly programmed.

3. Storage – They can store large amounts of data and retrieve it when needed.

4. Versatility – Computers can perform a wide range of tasks.

5. Diligence – Computers do not get tired or bored and can work continuously.

7. Describe the data processing cycle with a neat, labeled diagram.

The data processing cycle refers to the sequence of steps followed to convert raw data into meaningful information. The main stages are:

(a) Input: This is the stage where raw data is collected and entered into the computer using input devices such as keyboards or scanners.

(b) Processing: The CPU processes the data by performing calculations, comparisons, and logical operations.

(c) Output: The processed information is displayed or printed for the user using output devices such as monitors or printers.

(d) Storage: The processed data or information can be stored for future use on storage devices like hard drives or flash drives.

Diagram of Data Processing Cycle:

          +---------+
          |  Input  |
          +----+----+
               |
               v
          +---------+
          |Processing|
          +----+----+
               |
               v
          +---------+
          |  Output |
          +----+----+
               |
               v
          +---------+
          | Storage |
          +---------+

How to Pass Computer Studies Exam Questions for JSS2 First Term

Passing your Computer Studies exam questions for JSS2 First term requires a combination of preparation, understanding, and strategy. Here are actionable tips to help you excel:

1. Know the syllabus

Get the JSS2 first-term scheme of work. List the topics you must cover. Focus on core areas: basic computer parts, operating systems, software types, number systems (binary, octal, hexadecimal), storage units, input/output devices, and simple applications like PowerPoint and Excel.

2. Make a simple study plan

• Study a bit every day — 30–60 minutes is better than cramming.
• Break topics into small parts (e.g., one topic per day).
• Use weekends to review and practise more questions.

3. Learn definitions and keywords

Memorise short, clear definitions: hardware, software, operating system, utility, application, bit, byte, nibble, KB, MB, GB. Use flashcards or short notes you can read quickly.

4. Practice number conversions

Practice converting between binary, octal, decimal, and hexadecimal. Learn these facts by heart: 1 nibble = 4 bits, 1 byte = 8 bits, 1 KB = 1024 bytes, 1 MB = 1024 KB, 1 GB = 1024 MB. Do several conversion exercises until you are fast and confident.

5. Do past questions and quizzes

Answer many objective questions. Time yourself. Check your mistakes and learn from them. For theory, practise writing short, clear answers.

6. Write neat theory answers

• Start with a short definition.
• Use bullet points for lists.
• Give examples where needed.
• Keep sentences simple and direct.

7. Exam techniques

• Read each question carefully before answering.
• For multiple choice, eliminate wrong options first.
• Answer easy questions first, then harder ones.
• Show working for conversion and calculation questions.
• Manage your time — do not spend too long on one question.

8. Use practical tools

Open a computer and try programs: type in Word, make a simple PowerPoint slide, create a small Excel sheet. Hands-on practice makes concepts stick.

9. Stay calm and confident

Get good rest before the exam. Read each question slowly. Trust your preparation. If you get stuck, move to the next question and return later.

10. Quick checklist before submission

• Have you answered all questions?
• Did you show conversions and steps for calculations?
• Are your theory answers brief, correct and well-labelled?
• Is your paper neat and legible?

Follow these steps and practise regularly. Small, steady effort wins. Good luck — you can do this.

It’s a wrap!

If you need more clarification on JSS2 First Term Questions on Computer Studies, you can use the comments box below. We’ll be there to answer you asap. Don’t forget to join our Free Online Tutorial Classes on YouTube. (Subscribe to the Channel)

Best wishes..