Ordinary level 2025 South regional mock computer science 1
Ordinary level 2025 South regional mock computer science 1
It is an example of a monitoring system:
A. Robotic system
B. Alarm system
C. Expert system
D. Automated traffic control system
2. The process of making changes to existing
software or system for improve security or
add minor feature is:
A. Update
B. Upgrade
C. System renewal
D. Upload
3. The html tag <ul>…..</ul> is use for:
A. Underline
B. Universal locator
C. Unordered list
D. Uniform list
4. A software specifically designed and
developed to meet the unique needs of
particular service or organization:
A. Generic software
B. Off-the-shelf software
C. Designer software
D. Bespoke software
5. The function of the control unit in the
machine cycle:
A. Fetch and decode
B. Decode only
C. Fetch only
D. Execute and store
6. Which of the following term best describe
the form in which information is transmitted
over the internet
A. Bytes
B. Kilobytes
C. Packet
D. Bits
Questions 7 and 8 depends on the logic circuit
above.
7. The logic expression of the output Z is
A. ( ̅ ) ( ̅)
B. ( ̅̅̅̅̅̅̅̅̅)̅̅̅̅(̅̅̅̅̅̅̅̅̅)
C. ( ̅ ) ( ̅)
D. ( ̅̅̅̅̅̅̅̅̅) ̅̅̅̅̅(̅̅̅̅̅̅̅̅̅)
8. The output of the truth table of the circuit
above is equivalent to the output of the truth
table of which gate:
A. XOR gate
B. OR gate
C. AND gate
D. NOR gate
9. A type of destructive software that disguise
itself as a legitimate software is:
A. Virus
B. Trojan horse
C. Logic bomb
D. Worm
10. What is the binary equivalent of the decimal
number 13:
A. 1101
B. 1110
C. 1011
D. 0111
11. The main purpose of the information system
is to:
A. To process and manage data
B. To maintain hardware
C. To store data and information
D. To provide business ideas
12. Which device is used to connect multiple
networks:
A. Switch
B. Hub
C. MODEM
D. Router
13. Which of the following is a type of database
model?
