Student's Assessment Number....................

PRIME MINISTER'S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT 

FORM TWO TERMINAL ASSESSMENT

COMPUTER SCIENCE

Duration: 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. Section A and C carry fifteen (15) marks each, while Section B carries seventy (70) marks.
4. All writing must be in blue or black ink and drawings must be in pencil.
5. Cellular phones and any unauthorized materials are not allowed in the assessment room.

SECTION A: (15 MARKS)

1. For each of items (i) — (x), choose the most correct answer from among the given alternatives and write its letter in the box provided.

i. Which of the following is not class of computer?

1. Supercomputer
2. Ultra-compact
3. Mainframes
4. Minicomputer

ii. To prepare computer laboratory for the form four final examination, the head master asked a system administrator to buy a non-impact printer which is very fast and which will produce printouts of higher quality. Which type of printers will be the best choice?

1. Dot matrix printer.
2. Inkjet printer
3. Thermal printer
4. Laser printer

iii. Which of the following is not a computer system specification?

1. RAM
2. Cost
3. Processor speed
4. Hard disk capacity

iv. Most of the teachers in a certain school that uses a computer in performing their daily activities reported the problem of disappearing of some files. Which is the best way of preventing data from loss and damage.

1. backing up the files.
2. Using password 
3. Updating anti-virus
4. Using anti-glare screen

v. A field of computers that deals with algorithmic type of problem is known...........

1. Programing
2. Artificial Intelligent 
3. Information Technology
4. Information system

vi. A field of computers that deals with heuristic type of problem is known..........

1. Programing
2. Artificial Intelligent 
3. Information Technology
4. Information system

vii. Which computer software in the following list perform computer fundamental operations like booting, retrieving and loading application programs?

1. Drivers
2. Utility software 
3. Database
4. Operating system

viii.........Are the strategic actions taken to identify, fix and replace fault components, or software? when the problem has already occurred?

1. Corrective maintenance
2. Preventive maintenance 
3. Routine maintenance
4. None of the above

ix. For Cleaning a computer monitor we advised to use a dampen microfiber cloth with cleaning solution to wipe the screen gently in circular motion or from top to bottom, which of the following solutions is suitable.

1. Hydrochloric solution
2. Hydrogen peroxide
3. Clean water.
4. Methanol

x. Which is a special type of memory used to store important information including system's date and time, BIOS settings and hardware configuration?

1. CMOS memory
2. RAM
3. Register
4. ROM

2. Match the following types of computers in List A with the correct example of each from List B by writing a letter of most correct answer in the box provided.

SECTION: B (70 marks)

Answer all questions

3. A school management system needs to determine if student has passed or failed a subject based on their exam score. If a student score 50 or more they are considered to have passed, otherwise they have failed.

1. Represent an algorithm using flowchart to check whether a student has passed or failed based on their score input.
2. Briefly explain how can you ensure that algorithm meets standard qualities (four points

4. (a) Read carefully the following diagram representing keyboard operation and explain each step-in detail as labelled from (i) to (v)

b). CPU acts as computer brain because of its functions. These functions are divided into two categories as it's major parts it consisting.

1. List down two major parts of CPU
2. Mention four functions of each major part of CPU

5. (a) Imagine you are a computer technician at a school. A student informs you that their computer is running slower than usual and they are unable to save their work.

1. What steps would you take to restore the computer functionality? (Five steps)
2. what type of maintenance would you take to fix such problem?

(c) Define the term power fluctuation and briefly explain its types

6. (a) what is the difference between computer maintenance and computer troubleshooting? b) Explain six aspects of computer troubleshooting.

7. (a) Write a brief reflection on the relevance and significance of classifying computer and discuss on how understanding these classifications can be helpful in various technology-related decisions. (Two points on each)

2. Using three points explain why the development of microprocessors was a major development in computer technology?
3. Define the term computer system and briefly explain its major components.

8. (a) What are the three differences between system software and application software

(b) Define System utility

(c) Some system utilities are shipped with operating system and can offer basic functionalities but others are not shipped with operating system and used to improve the performance of the system. State one function of each of the following system utility

1. Disc cleaner
2. Disc defragmentation
3. Data backup
4. Data recovery
5. Anti-virus
6. Data compression

9. You have been assigned by the computer science teacher to prepare the students' magazine and submit it to his/her email addresses. When composing it, three fields named To filed, CC field, and BCC field appeared.

(a)Why the teacher opted such way of communication? Briefly explain by giving three reasons. 

(b) Explain the function of each field appeared during composing an e-mail.

SECTION:C (15 MARKS)

10. How has e-learning transformed education? Five (05) points.

PRIME MINISTER’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

FORM TWO MARCH MIDTERM ASSESSMENT

036 INFORMATION AND COMPUTER STUDIES

TIME: 2:30 HRS

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.
4. Non-programmable calculators may be used.
5. Unauthorized materials are not allowed in the examination room.
6. Section A and Section C each carry 15 marks, and Section B carries 70 marks.

SECTION A (15 MARKS)

Answer all questions in this section.

1. For each of the following items (i) to (x) choose the most correct answer from the given alternatives and write its letter in the table indicated below the items.

i. Nyamogi told his classmate that computer science is the only about learning how to type and use Microsoft Word. Which statement best corrects his ideas? ______

1. Computer science is the use of computers for entertainment only
2. Computer science is the study of computers, how they work and their applications
3. Computer science is the repairing computer machines only
4. Computer science is the learning how to browse the internet

ii. A company hires an expert to protect its system from hackers and viruses. This field is called: _________

1. Networking
2. Software engineering
3. Cyber security
4. Artificial intelligence

iii. Early computers use vacuum tubes while modern computers use microprocessors. This difference shows: ________

1. Types of operating system
2. Generations of computers
3. Brands of computers
4. Uses of computers

iv. Mary types her essay using a keyboard and later scans a picture into the computer. Which device is she using? ___

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

v. A bank uses powerful computer for transactions while a student uses a laptop for assignments. Which is the correct classification? _____

1. Bank- Supercomputer, Student- Multicomputer
2. Bank – Mainframe, Student – Microcomputer
3. Bank - laptop, Student – Supercomputer
4. Bank – Microcomputer, Student - Mainframe

vi. which of the following is good password practice? ______

1. Use your name as your password
2. Use a combination of letters, numbers, and symbols
3. Use the same passwords for all accounts
4. Share your password with your friends.

vii. what is the primary purpose of a firewall in computer security? ____

1. To store file securely
2. To prevent unauthorized access to or from a private network
3. To increase the speed of computer
4. To fix computer bugs

viii. what is the purpose of software updates in cybersecurity? ______

1. To fix security vulnerabilities and improve the systems functionality.
2. To make your computer slower
3. To unstall unnecessary program
4. To change the appearance of your computer interference

ix. which of the following is an example of phishing? ______

1. A hacker attempting to access a file directly
2. An email looks like it is from a trusted source asking you to provide a sensitive information.
3. Unstalling software updates
4. Using a VPN to protect your browser activity

x. what should you do if you have received a suspicious link in an email or text message? _____

1. click on it to check if it is safe.
2. forward it to a friend
3. ignore it and delete the message
4. download the file attached to the message

ANSWERS:

2. Match the items in LIST A with the responses in LIST B by writing the letter of the correct response beside the item number in the table provided below the items.

ANSWERS:

SECTION B 70 MARKS

Answer ALL questions from this section

3. Mention five ways individuals can protect themselves from cyber attacks

4.Explain five effects or changes that can occur in a computer when it becomes infected by harmful software, commonly referred to as malware.

5. Explain the main purpose of having an email address in facilitating communication and accessing online services.

6. Explain five benefits that users can gain from using cloud storage.

7. Explain five key requirements that a person or organization must have to effectively use such online storage and computing services commonly referred to as cloud services.

8. Explain briefly the following concepts as used in computer science

1. Internet of things
2. Video conferencing
3. Cybersecurity
4. Online forum
5. Website

9. Your friend Juma has started using different social media platforms such as to communicate with friends and learn new things online. Using the examples of social media, identify the five social media platforms and explain one use of each platform in communication or learning.

SECTION C (15 Marks)

Answer question number ten (10)

10. With the rapid development of the Internet, students and teachers can now obtain educational information, communicate, and participate in learning activities through online platforms regardless of time and location. In relation to this, explain six ways in which the Internet has contributed to improving access to education and supporting online learning.