O level south west regional mock gce 2022 computer science 1

O level south west regional mock gce 2022 computer science 1

O level south west regional mock gce 2022 computer science 1

An example ot an optical storage aevice is
A. RAM
B. Hard disk
C. DVD RW
D. Solid state drive
2. The key difference between 2nd and 1 st generation
of computers is that
A. Vacuum tubes replaced transistors
B. Vacuum tubes replaced integrated circuits
C. Transistors replaced vacuum tubes
D. Transistors replaced integrated circuits
3. Validation and verification checks in an SDLC are
employed to ensure
A. Data security
B. Data integrity
C. Data protection
D. Data privacy
4. A malware that comes in the form of a good advert
is called a
A. Virus
B. Worm
C. Logic bomb
D. Trojan horse
5. The processor speed is measured in
A. Hertz
B. Bits
C. Bytes
D. Seconds

defines what needs to be done and the system
figures out how to do it?
A. Object oriented
B. Procedural
C. Declarative
D. Imperative
1 I . Which of the following is an ergonomic design
concern?
A. RAM capacity
B. Hard disk capacity
C. Keyboard layout
D. CPU speed
12. Data from the daily activities of a supermarket are
processed by a(n)
A. Transaction processing system
B. Office automation system
C. Decision support system
D. Expert support system
13. Hardware that are connected to the system unit by
way of ports are generally called
A. Output devices
B. Input devices
C. Peripheral devices
D. System devices
14. The truth table shows an output R for inputs A and
B. R represents the gate.
6. Software used to solve user-specific problem is
A. Application software
B. Operating system
C. Utility software
D. Device drivers