Explain what an operating system is, provide examples, and describe its key functions and types of interfaces.

Here are the solutions to the questions:

QUESTION 4

(i)

a) An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs.
Examples: Microsoft Windows, Linux.

b)

1. Resource Management: The OS manages hardware resources like the CPU, memory, and I/O devices, allocating them to different programs as needed.
2. Process Management: It handles the creation, scheduling, and termination of processes, ensuring efficient use of the CPU.

c)

• Command Line Interface (CLI): Users interact with the system by typing commands into a text-based interface. It is often faster for experienced users and requires fewer resources.