Ordinary level 2025 South regional mock computer science 2

Ordinary level 2025 South regional mock computer science 2

Ordinary level 2025 South regional mock computer science 2

1. (a) In a large secondary school in Cameroon, the school administration has decided to implement different
types of Information Systems (IS) to manage various aspects of the school’s operations. The school has several
departments, including academics, finance, library, and student affairs. The administration wants to make sure
that all departments have the necessary systems to improve their daily operations and services to students.
o The academic department needs a system to track students’ grades and attendance.
o The finance department needs a system to manage student fees, payments, and financial
records.
o The library needs a system to keep track of books, issue and return dates, and overdue books.
o The student affairs department needs a system to manage student records, including personal
details, medical records, and disciplinary actions.
(i) Identify and explain TWO components of an Information System (IS). (2marks)
(ii) The library department wants to keep track of books and their status
(borrowed, available, overdue). Which type of Information System would be most
useful for this task? Justify your answer. (2marks)
(iii) The student affairs department deals with managing student personal details
and records. Which Information System would help the department to easily
manage and retrieve student data efficiently? (2marks)
(b) (i) Explain the following giving an example in each case;
 Control system
 Simulation (4marks)
(ii) Define malware and give two examples. (2marks)
(iii) Describe TWO major types of maintenance that deals with computer malfunctioning. (4marks)
(c) State and explain FOUR (4) characteristics which make computers so useful to human life.
(2marks)
(d) Explain the following computer related terms: (2marks)
(i) Cloud storage
(ii) AI
2. (a) (i) What is a system software? (2marks)
(ii) State four (4) types of system software, giving a function in each case. (4marks)
(iii) Differentiate between open source software and close source software. (2marks)
(b) (i) What is the function of the following networking hardware devices
 Gateway
 Bridge (4marks)
(ii) Briefly explain how network can be classified according to;
 Layout
 How resources are manage or by functional relationship (4marks)
(iii) State four services offered by the internet. (2marks)
(c) Convert 2048KB to Terabytes (2marks)