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Operating System
Goal Glimpse
What is an Operating System? Why Do We Need an Operating System?
Functions of an Operating System Types of Operating Systems
What is a User Interface? A Comparison Between CUI and GUI
A computer system is made up of two main parts: hardware and software. If either one is missing,
the computer won't work properly. Hardware includes the physical parts of the computer that
we can see and touch, like the keyboard, mouse, and monitor. Software is a set of instructions
or programs that tell the computer what to do. Both hardware and software need each other to
make the computer work well.
Software can be split into two main types:
System Software: Refers to software that manages and controls
the computer’s hardware and software resources. It ensures that
the computer runs smoothly and that other programs can operate
effectively. Some examples of system software include Operating
Systems, Utility Software, Basic Input/Output System (BIOS), etc.
Application Software: Refers to software that is designed for specific
tasks or activities that users want to perform. It helps with various
tasks, from document creation to photo editing. Some examples of
application software include Tally, Microsoft Word, Adobe Photoshop,
etc.
WHAT IS AN OPERATING SYSTEM?
An operating system is a type of system software that acts as a bridge
between the user and the computer hardware. Without an operating
system, a computer can't work. It helps users to give instructions to
the computer and understand the results. Some well-known operating
systems include Microsoft Windows, Apple macOS, and Linux.
Operating System 7

