Ordinary level 2025 Centre regional mock guide computer science
Ordinary level 2025 Centre regional mock guide computer science
i. Antivirus Software
– Protects the computer from malware and viruses.
Scans files and programs for harmful content.
Removes harmful software to keep the system safe.
Provides real-time protection against threats. Regularly updates virus
definitions to combat new threats.
Considers
any one
2mks
ii. Device Drivers
Allows the operating system to communicate with hardware devices,
facilitating interaction.
Create connection between OS and peripherals
2mks
Considers
any one
iii. Computer Ports
– Enable connection between the computer and external devices, such as
USB drives and monitors. – Holes through which external devices connect to
the system unit/ motherboard – Examples include USB, HDMI, and Ethernet
ports, each serving different functions.
2mks
Considers
any one
iv. Firewall
– Monitors incoming and outgoing network traffic, acting as a barrier
between trusted and untrusted networks.
– Blocks unauthorized access to the computer or network, enhancing
security.
– Can be hardware-based (physical devices) or
– Provides security against cyber threats, including viruses and hackers, by
filtering traffic based on predefined rules.
2mks
Considers
any one
i. Artificial Intelligence (AI) (2 marks): – Positive Role:
-Enhances automation and efficiency in various industries, such as
manufacturing and healthcare.
– Streamlines processes, reducing human error and increasing productivity.
– Provides advanced data analysis capabilities, enabling better decisionmaking and predictive analytics.
Negative Role:
-Can lead to job displacement in industries where machines replace human
labor.
– Raises ethical concerns regarding privacy, bias in algorithms, and the
potential misuse of AI technologies.
1mk
Considers
any one
1mk
Considers
any one
ii. Robotics
– Positive Role: Increases productivity and precision in manufacturing,
1mk
Considers
