cameroon gce advanced level June 2026 computer science 1

System Security & Data Representation

1. Peter authorizes John to withdraw money from his account as he was sick. However, he could not withdraw the money because of a denial of service attack. Which security measure was not attended to?

• A) Privacy

• B) Integrity

• C) Availability

• D) Confidentiality

2. What is the hexadecimal conversion of the decimal number 224?

• A) 1E

• B) 0E

• C) E0

• D) E1

Operating Systems & Process Management

3. The process of transferring data to and from backing store to immediate store so that other programs can run is known as:

• A) Scheduling

• B) Virtualization

• C) Caching

• D) Swapping

4. The scheduling algorithm in which the CPU is allocated to the process with the least CPU-burst time is called:

• A) priority scheduling

• B) round robin

• C) shortest job first

• D) shortest remaining time next

Database Management Systems

5. The ability to query data as well as insert, delete, and alter tuples, is offered by:

• A) Functional language

• B) Procedural language

• C) Data Manipulation language

• D) Data Definition language

6. When all attributes that are not part of the primary key are fully functionally dependent on the primary key, the relation must be in:

• A) 3NF

• B) 2NF

• C) 1NF

• D) BCNF

Check Your Progress

Review your notes on database normalization, CPU scheduling, and data security infrastructure to ensure you have full mastery over these recurring exam themes. Happy revision!