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Question

A collection of programs that controls how your computer system runs and processes information is called

Options:
A .  operating system
B .  computer
C .  office
D .  compiler
E .  None of these
Answer: Option A
Definition: An operating system (OS) is a system software that manages computer hardware, software resources, and provides common services for computer programs. It acts as an interface between the user and computer hardware and provides an environment for execution of programs.

Features of Operating System:
Provides User Interface: Operating systems provide a user interface which allows the user to interact with the computer. It provides a graphical user interface (GUI) and command line interface which allow the user to access the computers resources.
Manages Hardware Resources: Operating systems manage the computers hardware resources. It allocates and de-allocates hardware resources to the tasks.
Manages Memory: Operating systems manage the computers main memory. It allocates memory to the programs and processes when they start execution and de-allocates memory when they finish.
Provides Security: Operating systems provide security features which protect the computer from malicious programs and unauthorized access. It implements access control and authentication mechanisms which restrict access to authorized users.
Provides Network Access: Operating systems provide network access which allows the user to access other computers on the network. It implements protocols which allow the user to communicate with other computers.

Examples of Operating System:
Windows
macOS
Linux
Android
iOS
Unix

Conclusion: From the above discussion it is clear that the correct answer is option A which isoperating system. An operating system is a system software that manages computer hardware, software resources, and provides common services for computer programs. It provides a user interface which allows the user to interact with the computer and also provides security features which protect the computer from malicious programs and unauthorized access.

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