OS Computer Abbreviation usually means (1) Order of Significance (2) Open Software (3) Operating System (4) Optical Sensor

Answer: 3

Explanation: Operating system is the interaction between the user and computer hardware. It is a software which is known to perform all the basic work related to memory management, file management, output handling, input handling, controlling devices like printers, disk drives etc. The main function of an operating system is to let the user connect with hardware for the user’s benefit. The biggest benefit of an operating system is there is complete security for the user’s activities. There are many operating systems which are available for the users in the form of:-

• Microsoft Windows

• Apple iOS

• Real Time OS

• Mobile OS

• Network OS

• Distributed OS