The OS helps you to communicate with the computer without knowing how to speak the computer's language. It is not possible for the user to use any computer or mobile device without having an operating system.
It is a combination of two separate yet interrelated topics – Data Structure and Algorithms.
General Purpose Language - You can use C++ to develop games, desktop apps, operating systems, and so on.
.The different components in the Computer System Architecture are Input Unit, Output Unit, Storage Unit, Arithmetic Logic Unit, Control Unit etc.
A database is a collection of related data which represents some aspect of the real world .
Visual programming is a sort of programming language that allows users to illustrate processes.