Question

Operating system is an interface between
1. Software and hardware
2. Compiler and hardware
3. User and Computer
4. Program and software

Answer 1

Correct Answer - Option 3 : User and Computer

Operating System:

• An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs.
• An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.
• Following are some of the important functions of an operating System: Memory Management, Processor Management, Device Management, File Management, Security, Control over system performance, Job accounting, Error detecting aids, Coordination between other software and users.
• Some popular Operating Systems include Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc.
• The dominant desktop operating system is Microsoft Windows with a market share of around 76.45%. macOS by Apple Inc. is in second place (17.72%), and the varieties of Linux are collectively in third place (1.73%). In the mobile sector (including smartphones and tablets), Android's share is up to 72% in the year 2020.

Thus, option 3 is the correct answer.