The correct answer is: B. Operating system
An operating system (OS) is a software program that manages computer hardware and software resources and provides a platform for running application programs. Operating systems are found on many devices that contain a computerâfrom cellular phones and personal computers to supercomputers and large mainframes.
The operating system performs basic tasks, such as managing the file system, memory, and processes. It also provides a user interface, so that users can interact with the computer.
The operating system is a critical part of the computer system, and it is responsible for many of the things that we take for granted, such as being able to open and close programs, save files, and print documents.
Here is a brief explanation of each option:
- A. Operating environment: An operating environment is a software layer that sits between the operating system and the user. It provides a set of tools and utilities that make it easier for users to interact with the computer.
- C. System environment: The system environment is the set of all the hardware and software components that make up a computer system. It includes the CPU, memory, storage, input/output devices, and the operating system.
- D. None of these: None of these options are correct. The correct answer is B. Operating system.