THE PRIME MINISTER’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

FORM ONE ANNUAL JOINT EXAMINATION

036 COMPUTER SCIENCE

TIME: 2:30 HOURS, NOVEMBER 2026

INSTRUCTIONS

1. This paper consists of Sections A, B and C with a total of ten (10) questions.
2. Answer all questions.
3. Section A carries fifteen (15) marks, Section B carries seventy (70) marks and Section C carries fifteen (15) marks.
4. All answers must be written in blue or black ink.
5. Communication devices and unauthorized materials are not allowed in the examination room.
6. Write your examination name on every page of your answer sheets.

SECTION A (15 MARKS)

Answer all questions in this section.

1. For each of the following items (i)–(x), choose the correct answer from the given alternatives and write its letter in the answer sheet.

i. The following are examples of mobile banking services except

1. M-Pesa

2. Airtel Money

3. Halo Pesa

4. N-Pesa

ii. The branch of Computer Science that deals with making machines intelligent so that they can think and solve problems like humans.

1. Data science

2. Artificial intelligent

3. Quantum Computing

4. Computer Networking

iii. A technology that enables farmers to remotely monitor their farms by receiving real-time updates on critical parameters, such as soil moisture levels, weather, and crop health

1. Drones

2. Smart farming

3. Internet of things

4. Precision farming

iv. A process of selling things online, reaching more people, and making more money

1. E-business

2. E-commerce

3. E-ticketing

4. E-marketing

v. The branch of Computer Science that deals with designing and organizing the parts of a computer to make it work.

1. Computer Architecture

2. Computer Networking

3. Data science

4. Software Engineering

vi. A service which enables patients to remotely receive services via computer systems, when a doctor and patients are not physically in contact is known as:

1. Online hospital

2. Online medicine

3. Telemedicine

4. Telehospital

vii. A computer system that facilitates contactless payment methods in public transport

1. Ride hailing

2. Electronic ticketing

3. Requesting

4. Online booking

viii. The physical components of a computer system that can be seen and touched

1. Software

2. Programs

3. Systems

4. Hardware

ix. Refers to raw facts entered into a computer system that are used to make decisions, solve problems, or gain insights.

1. Data

2. Inputs

3. Information

4. Instruction

x. Which of the following is not part of the internal components of a computer system?

1. Motherboard

2. Memory

3. Central Processing unit

4. Keyboard

2. Match the descriptions of computer generations in List A with their corresponding technology in List B by writing the letter of the correct answer below the corresponding item number in the table provided.

SECTION B (70 MARKS)

Answer all questions in this section.

3. The following figure shows a physical arrangement of internal and external computer components. Study it carefully and answer the questions that follow.

(a) What are the names of the components labelled with letters A, B, C, D, E and F?

1. Letter A
2. Letter B
3. Letter C
4. Letter D
5. Letter E
6. Letter F

(b) State the functions of the hardware components labelled with letters A, B, D and F.

1. Letter A
2. Letter B
3. Letter D
4. Letter F

4. The teacher of Computer Science taught students the application areas of Computer Science. As a Form One student with knowledge of Computer Science, explain how Computer Science is important in the education sector. (Explain five points.)

5.

1. Why is it advised to update your computer regularly?
2. The headmaster of your school complained that some computers in the computer laboratory are running slower than usual and are unable to save his work. As a computer technician at your school, what steps would you take to restore computer functionality?

6.

1. What is computer troubleshooting?
2. Masanja’s office computer shows no image when turning on. As a computer expert:

1. What type of problem is this?
2. What possible measures can be taken to solve the problem?

7. Briefly explain any five (5) aspects of computer troubleshooting.

8. Imagine a school with a tight budget planning to buy computers for its computer laboratory. As an advisor, recommend suitable computers they should buy and give reasons to explain your selection. (Give four points.)

9.

1. What is the difference between flowcharts and pseudocode?
2. Draw a flowchart to calculate the area of a trapezium.
3. Write pseudocode for finding the average of two numbers entered by a user and display the output on the screen.

SECTION C (15 MARKS)

Answer Question Ten (10).

10. Write an essay on the characteristics of computers using the following guidelines:

1. Define computer.
2. Explain four characteristics of computer.
3. Conclusion.

THE UNITED REPUBLIC OF TANZANIA , PRIME MINISTER'S OFFICE– REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPUTER SCIENCE – FORM ONE

ANNUAL EXAMINATION – NOVEMBER

TIME: 2:30 HOURS

INSTRUCTIONS

1. This paper consists of Sections A, B, and C with a total of ten (10) questions.
2. Answer all questions.
3. Use blue or black ink for writing. Use pencil for drawings.
4. Cellular phones and unauthorized materials are not allowed in the examination room.
5. Section A and C each carry 15 marks. Section B carries 70 marks.

SECTION A: MULTIPLE CHOICE AND MATCHING ITEMS (15 MARKS)

1. Choose the correct answer and write its letter in the space provided (i–x):

(i) The term "Computer Science" is best defined as:

1. The study of plants and animals
2. The study of computers and their applications
3. The study of space and stars
4. The study of economic systems

(ii) Which of the following is an example of computer hardware?

1. Microsoft Word

2. Printer
3. Antivirus
4. Spreadsheet

(iii) The brain of the computer which processes data is called:

1. Monitor
2. CPU
3. Keyboard
4. Scanner

(iv) Which of the following is notan input device?

1. Mouse
2. Scanner
3. Printer
4. Keyboard

(v) Which type of software controls all hardware operations in a computer?

1. Utility Software
2. Application Software
3. Operating System
4. Programming Software

(vi) The term "troubleshooting" refers to:

1. Writing a computer program
2. Fixing computer problems
3. Assembling computer parts
4. Playing computer games

(vii) Which of the following is the correct order of information processing in a computer system?

1. Output → Input → Processing → Storage
2. Processing → Input → Output → Storage
3. Input → Processing → Output → Storage
4. Storage → Output → Input → Processing

viii. Preventive maintenance of a computer includes:

1. Ignoring dust
2. Frequent backups
3. Leaving food particles on the keyboard
4. Switching off abruptly

(ix) Which of the following best describes a computer system?

1. Only hardware components
2. Only software programs
3. Hardware, software, and users working together
4. Power supply and electricity

(x) Which of the following is a principle of Computer Science?

1. Guessing solutions to problems
2. Following algorithms and logical steps
3. Ignoring computer ethics
4. Bypassing troubleshooting procedures

2. Match the items in Column A with the correct responses in Column B:

SECTION B: STRUCTURED QUESTIONS (70 MARKS)

3.(a) Define Computer Science. (2 marks)

(b) Mention any two (2) branches of Computer Science. (4 marks)

(c) State four (4) reasons why Computer Science is important in daily life. (4 marks)

4.(a) What is a computer system? (3 marks)

(b) Name the four (4) basic components of a computer system and give one function of each. (7 marks)

5.(a) State three (3) differences between hardware and software. (6 marks)

(b) Give two (2) examples of application software and two (2) examples of system software. (4 marks)

6.(a) Define troubleshooting. (3 marks)

(b)Outline four (4) common computer problems that require troubleshooting. (7 marks)

7.(a) List and explain three (3) preventive maintenance practices for a computer system. (6 marks)

(b)Draw a neat and well-labeled diagram of a computer system showing main components. (4 marks)

8.(a) Define an algorithm. (3 marks)

(b) Describe four (4) characteristics of a good algorithm. (7 marks)

SECTION C: ESSAY QUESTIONS (15 MARKS)

9. Explain the importance of proper maintenance and troubleshooting of computer systems in schools and offices.

10. Discuss the basic principles of Computer Science and explain how they are applied in problem solving and programming.