FORM THREE COMPUTER SCIENCE EXAMS SERIES

THE UNITED REPUBLIC OF TANZANIA, PRIME MINISTR'S OFFICE-RALG

FORM THREE JOINT ANNUAL EXAMINATION

INFORMATION AND COMPUTER STUDIES

TIME: 3:00 HOURS NOVEMBER, 2026

INSTRUCTIONS

  1. This paper consists of Sections A, B and C with a total of eleven (11) questions.
  2. Answer all questions in Sections A and B and choose two (2) questions from Section C.
  3. Cellular phones and smart watches are not allowed in the examination room.
  4. Write your name on every page of your answer sheets and question paper.
FOR ASSESSORS’ USE ONLY
QUESTION NUMBER SCORE ASSESSOR’S
INITIAL
1    
2    
3    
4    
5    
6    
7    
8    
9    
10

11

TOTAL    

SECTION A (16 MARKS)

Answer all questions in this section.

1. For each item (i)–(x), choose the most correct answer from among the given alternatives and write its corresponding letter beside the item number in the answer booklet provided.

i. Hardware for a computer system is similar to

  1. The instructions that are given to a clerical system
  2. The equipment in a clerical system
  3. The input data that is used in a clerical system
  4. The output that is generated from a clerical system
  5. The file cabinet in the clerical system

ii. Second-generation computers used

  1. Vacuum tubes
  2. Diodes
  3. Integrated circuits
  4. Transistors
  5. Capacitors

iii. Another name for temporary storage is

  1. Secondary storage
  2. Auxiliary storage
  3. Floppy diskette storage
  4. Magnetic tape storage
  5. Main storage

iv. One byte is approximately equal to

  1. One character
  2. One word
  3. One megabit
  4. Eight characters
  5. Half the random access memory

v. The number system on which the operation of the computer is based is

  1. Hexadecimal system
  2. Decimal system
  3. Binary system
  4. Octal system
  5. Petal system

vi. Output from a printer is normally called

  1. Printer copy
  2. A soft copy
  3. A photocopy
  4. An electronic copy
  5. A hard copy

vii. A single program that provides the functionality of a word processor, spreadsheet, database manager and more is called

  1. Software suites
  2. General-purpose application
  3. Operating system software
  4. Integrated packages
  5. Program manager

viii. Computer programs can be written in

  1. Machine language
  2. Assembler language
  3. Symbolic language
  4. Octal decimal language distance
  5. Ordinary language

ix. A key used when someone needs to abandon the current task is

  1. Esc key
  2. Enter key
  3. Ctrl End key
  4. Home key
  5. Tab key

x. The most important impact of the second generation of computers was

  1. Widespread unemployment among white-collar workers
  2. The development of standardized programming languages
  3. The development of integrated circuits
  4. The introduction of the Internet and World Wide Web
  5. The evolution of time-sharing

2. Match the computer software descriptions in List A with their corresponding names in List B.

LIST A
LIST B
  1. A special program that makes certain computing services run smoothly.
  2. A set of complex programs that manages input, output and storage operations in a computer.
  3. A program designed to help a user accomplish specific tasks.
  4. A type of software used to establish communication between two or more computers.
  5. A type of system software recorded permanently on an electronic chip.
  6. A combination of hardware and software made on a single silicon chip.
  1. Operating system
  2. Malware
  3. Application software
  4. Open-source software
  5. Firmware
  6. Utility software
  7. Storage software
  8. Networking software

SECTION B (54 MARKS)

Answer all questions in this section.

3. Why should a school or any other institution have a website? Give four reasons.

4. (a) What is a computer virus?

(b) Explain how viruses move from one device to another.

(c) Give three advantages of protecting an information system.

5. (a) Define the following:

  1. Word processor
  2. Document

(b) Outline three negative effects of the Internet on society.

(c) Give four advantages of computer networking.

6. (a) Explain the following:

  1. Web server
  2. Web hosting
  3. Domain name

(b) Why do you think each device on a network must have a unique IP address?

7. (a) Give two effects of improper disposal of electronic equipment on the environment.

(b) Outline five roles of ICT applications in our daily life.

8. (a) Define the following terms as used in database systems:

  1. Primary key
  2. Foreign key
  3. Table
  4. Database system
  5. Flat-file database

(b) Garage D specializes in selling cars and uses an electronic database to store information. The database table shown below contains the following records:

ENGINE NUMBER MODEL NUMBER OF DOORS
001 Nadia 05
002 Noah 05
003 Tata 04
004 Suzuki 06
  1. Identify the primary key from each table.
  2. Which field is a foreign key from these two tables?
  3. Write the data type for each field in the product table.

Note: The original question refers to two tables, but only one table is supplied in the source paper.

SECTION C (30 MARKS)

Answer only two (2) questions from this section.

9. (a) What are the methods of data processing?

(b) With the aid of diagrams, explain four steps of a data processing system.

10. (a) What are the essential requirements for publishing web pages?

(b) Differentiate between the following:

  1. Search engine and web browser
  2. Website and web page

(c) Explain how linking web pages occurs in HTML.

11. (a) Explain the four main components of a database system.

(b) Give six advantages of using a database system at school.

FORM THREE COMPUTER EXAM SERIES 302  

FORM THREE COMPUTER EXAM SERIES 302  

THE PRIME MINISTER’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

FORM THREE ANNUAL JOINT EXAMINATION

036: INFORMATION COMPUTER SCIENCE

Instructions

  1. This paper consists of sections A, B and C with a total of eleven (11) questions.
  2. Answer all questions in section A and B, and two (2) questions from section C.
  3. Section A carries sixteen (16) marks, section B fifty four (54) marks and section C carries thirty (30) marks.
  4. Cellular phones and any unauthorized materials are not allowed in the examination room.

FOR ASSESSORS’ USE ONLY

QUESTION NUMBER

SCORE

ASSESSOR’S
 INITIAL

1

 

 

2

 

 

3

 

 

4

 

 

5

 

 

6

 

 

7

 

 

8

 

 

9

 

 

TOTAL

 

 

SECTION A (16 Marks)

Answer all questions in this section

1. For each of the items (i)–(x), choose the correct answer from among the given alternatives and write its letter beside the item number in the answer sheets provided.

i. Which of the following is an example of an input device?

  1. Monitor
  2. Keyboard
  3. Printer
  4. Speaker

ii. Which one of the following represents system software?

  1. Microsoft Word
  2. Google Chrome
  3. Windows 10
  4. Excel

iii. In computer storage hierarchy, which one is the fastest?

  1. Hard disk
  2. Cache memory
  3. RAM
  4. CD-ROM

iv. Which of the following is a correct binary representation of the decimal number 5?

  1. 100
  2. 101
  3. 110
  4. 111

v. The main purpose of an operating system is to:

  1. Connect computers in a network
  2. Control computer hardware
  3. Perform arithmetic operations
  4. Store data permanently

vi. Which of the following represents a spreadsheet formula?

  1. =A1+B1
  2. A1+B1
  3. SUM A1+B1
  4. ADD(A1,B1)

vii. Which one of the following is an example of application software?

  1. Linux
  2. MS Word
  3. BIOS
  4. Windows 11

viii. Which type of computer memory is volatile?

  1. ROM
  2. Flash Disk
  3. RAM
  4. Hard Disk

ix. Which of the following symbols is used to indicate a formula in Excel?

  1. @
  2. $
  3. =
  4. #

x. Which of the following is an example of a network device?

  1. Router
  2. Scanner
  3. Printer
  4. Projector

2. Match the following items in List A with the correct description in List B. Write the letter of the correct answer.

List A

List B

  1. Firewall
  2. HTML
  3. LAN
  4. Cache memory
  5. Compiler
  6. Uploading
  1. The act of copying files from a computer to the internet
  2. Translates source code into machine code
  3. Temporary memory used for faster processing
  4. Protects a computer from unauthorized access
  5. Programming language for web pages
  6. Network covering a small area

SECTION B (54 Marks)

Answer all questions from this section

  1.  
    1. Define the term ‘Computer’.
    2. Explain four characteristics of a computer.
    3. Mention and describe four components of a computer system.
  2.  
    1. Define the term ‘Operating System’.
    2. Explain five functions of an operating system.
    3. Give three examples of operating systems.
  3.  
    1. Explain the difference between hardware and software.
    2. With examples, describe four types of computer hardware.
  4.  
    1. Define a spreadsheet.
    2. Mention five features of Microsoft Excel.
    3. Explain how you can use a spreadsheet to prepare a school budget.
  5.  
    1. Explain three advantages of computer networks.
    2. Describe three types of computer networks based on their geographical coverage.
  6.  
    1. Define the term ‘Database Management System’ (DBMS).
    2. Explain four advantages of using DBMS in organizations.
    3. Describe three examples of database application areas.

SECTION C (30 Marks)

Answer two (2) questions from this section.

  1.  
    1. Define the term computer network. (1 mark)
    2. Differentiate between Local Area Network (LAN) and Wide Area Network (WAN). (2 marks)
    3. A Secondary school wishes to connect its administration office, staff room, and computer laboratory so that files and printers can be shared.
      1. Suggest a suitable type of network and justify your answer. (2 marks)
      2. State four advantages of using such a network in the school. (4 marks)
      3. Describe three common network topologies and give one advantage of each. (6 marks)
  2. ESC Ltd is a company which uses the face to face way of selling its devices. The company marketing officer decided to adapt the electronic commerce to widen their business. However, he/she had limited knowledge of this approach. Explain to him/her three benefits and three limitations that the company will face by adapting the new system. (15 marks)
  3. The director of the Computer Supplier Company Ltd conducted the press conference to inform the customers about proper ways of handling electronic devices. After the conference, most of the customers complained that the communication done was not effective. Analyze four factors that attributed to the reported problem. (15 marks)

 

FORM THREE COMPUTER EXAM SERIES 296  

FORM THREE COMPUTER EXAM SERIES 296  

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

  FORM THREE TERMINAL EXAMINATION – MAY 2026

  INFORMATION AND COMPUTER STUDIES  

TIME: 3:00 Hours May 2026

INSTRUCTIONS

  1. This paper consists of section A, B and C with a total of eleven (11) questions.
  2. Answer all questions in section A and B, and two (2) questions from section C.
  3. Section A carries sixteen (16) marks, section B carries fifty-four (54) marks and section C carries thirty (30) marks.
  4. Cellular phones and any unauthorized materials are not allowed in the examination room

SECTION A: (16 marks)

Answer all questions from this section

1. Choose the correct answer for each of the following questions and write it's letter beside roman number.

(i) What is the meaning of an Icon in computer studies?

  1. A file, option or help menu
  2. An image representing a program or some other object
  3. Instruction contained on notepad
  4. A component on a computer that interpret the instruction.

(ii) How do you open a program such as a Microsoft Word when there are no icons on the desktop?

  1. Click the start button and select program from the menu
  2. Click the start button and select restart option
  3. Click the start button and select the hibernate option
  4. Right click the start button and select the program from the properties option.

(iii)If a file is added to be sent in an e- mail we refer to it as: -

  1. hyperlink 
  2. A downloaded file 
  3. A linked file
  4. An attachment

(iv) The <ul>……</ul>tag in html which is used to specify …...

  1. Underline 
  2. Unordered list 
  3. Underline remover
  4. Horizontal line.

(v) Ctrl, Shift and Alt are called……. keys.

  1. Function 
  2. Alphanumeric 
  3. Modifier  
  4. Adjustment

 (vi) The following are physical network topologies except

  1. Ring topology 
  2. Ethernet topology 
  3. Bus topology.
  4. Star topology.

(vii) Which technology was used in the fifth computer generations? 

  1. Large Scale Integrated 
  2. Vacuum tubes. 
  3. Transistors.  
  4. Artificial intelligence.

 (viii) Suppose you want to find and download computer studies books from the internet, which program would you use?

  1. Google search engine 
  2. Mozilla Firefox 
  3. Web browser
  4. Google chrome

(ix) Why do microcomputers need application software?

  1. Executes a variety of fundamental operations
  2. Executes routine service such as file handling
  3. Executes specific task demanded by the user
  4. Executes a variety of real time operations

 (x) The following spreadsheet was prepared to show the results of the students who did three different tasks. In cell E5 an error occurred. What might be the reason?

image
  1. The column is not wide enough to accommodate the value.
  2. The formula references an invalid intersection of cells.  
  3. The formula uses incorrect argument or operator.  
  4. The reference to a value is not available to a formula.

2. Match the function of different types of operating systems in List A with their corresponding types of operating systems in List B by writing the letter of the most correct answer.

List A

List B

(i) A system that uses priority scheduling to allocate each task a portion of the time in a CPU

(ii) A system that enables more than one user to access a centralized computer.

(iii) A system that runs only one user program at a time.

(iv) A system that performs a task by reading the command after pressing the enter key

(v) A system that cannot allow a user to run both word processor and spreadsheet at time.

(vi) A system that control machinery, scientific instruments and industrial system.

A. Menu operating driven operating system

B. Single task operating system

C. Multi-user operating system

D. Command line operating system

E. Real-time operating system

F. Multi-task operating system G. Mixed user operating system

H. Utility operating system.

I. Single user operating system

 SECTION B (54 MARKS)

Answer all questions from this section

3. Study the passage below

image
  1. Outline four formatting styles that have been applied to the passage.
  2. Give the shortcut control of those formatting style you mention in (a) above
  3. In the paragraph a line space of 1.5 is used, List any other five line spacing specifications available in Microsoft Word
  4. Proofreading helps to identify and correct spelling, grammar, punctuation and typographical error. Name three proofreading tools used in word processing

4. (a) Explain four importance of information in our daily life, with examples

(b) Explain two ways of disseminating information with examples

5. (a) You are helping a neighbor to set up their new cable of AZAM dish. They are ensure about which type of cable to use. To give them information about coaxial cable is good compared to twisted cable and you come up with it as the figure shown below.  

image 

(i) State the function of each part labelled A-D

(ii) What are the two advantages do coaxial cable offer compared to twisted pair cabling for their AZAM dish installation?

(b) You are tasked with designing a network for a small office with 10 computers. Each computer needs to access shared resources like printer and files.

(i) By drawing sketch up diagram show which type of network topology would you suggest for this setup?

(ii) Why would it be the most suitable choice (provide two reasons)

6. “Use of telecommunication technology has meant that many workers can work from home rather than having travel to the office, this is the one of the positive impacts of ICT on employment”, due to this statement.

a) Briefly describe three effects of ICT on employment

b) State three advantages and three disadvantages on each part of working from home, from the point of view of:

(i) The worker

(ii) The company/ institution/ organization

7. Snap shoot below shows the result of form three students at Mtandao Secondary School. Study it carefully and answer the questions that follows:

image

Hints: (The grade is “A” if the average is >=75, “B” if the average is >=65, “C” if the average is >=45, “D” if the average is >=30 Otherwise “F”)

  1. Name the program used to create the snapshot above.
  2. Which cell reference is the active cell?
  3. Identify the size and font type used to create the snapshot above.
  4. Show the function used to calculate the average marks of Monika. 
  5. Write the function used to assign grade and position of ALI

SECTION C (30 Mark)

Answer only two (2) Questions in this section

9. As a form three student taking ICS, you have visited the academic office and after observing the way they are preparing students’ academic reports, office letters by using manual typewriters, write your proposal to convince the school administration to use electronic word processor over manual typewriter.

10. Suppose you are given an opportunity to speak to your fellow students on the motion which states that “Internet causes more harm to students than benefits.” Explain six (6) points that you would use to oppose this motion.

11. The impact of Computers on modern society is to transform various sectors such as Education, Healthcare, Business and Communication. How does this statement become true?

FORM THREE COMPUTER EXAM SERIES 274  

FORM THREE COMPUTER EXAM SERIES 274  

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