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.