A) Define operating system (OS).

Here are the answers to the questions:

6.

a) Define operating system (OS).*
An operating system (OS) is the fundamental software that manages computer hardware and software resources, enabling applications to run and users to interact with the computer.

b) Give two examples of operating systems used in mobile devices and two in desktop computers.*

• Mobile devices:
  • i. Android
  • ii. iOS
• Desktop computers:
  • i. Microsoft Windows
  • ii. macOS

c) Explain two functions of an OS in managing resources.*

• i. Memory Management: The OS allocates and deallocates memory space to different programs and processes, ensuring that each program has sufficient memory to run without interfering with others.
• ii. CPU Scheduling: The OS determines which process gets access to the Central Processing Unit (CPU) and for how long, optimizing CPU utilization and ensuring fair allocation of processing time among multiple running applications.

7.

a) Match the following cables to their ports.*
The list of cables and ports to be matched is not visible in the provided image.