Answer the following questions in brief:
1. What is an operating system? Write names of any two popular operating systems.
2. Distinguish between CUI and GUI.
3. What is an Open Source Operating System? Give an example.
What is the
4. Write any four functions of operating system.
5. What are utilities? Give two examples.
Answers
1.An operating system (or OS) is a group of computer programs, including device drivers, kernels, and other software that lets people interact with a computer. It manages computer hardware and software resources. It provides common services for computer programs
Any two popular OS are Microsoft Windows and Ubuntu..
2.GUI stands for graphical user interface. It is a user interface which user interact with applications by making use of graphics. ... CUI stands for character user interface. In CUI user has to interact with the applications by making use of commands
3.LibreOffice and the GNU Image Manipulation Program are examples of open source software. As they do with proprietary software, users must accept the terms of a license when they use open source software—but the legal terms of open source licenses differ dramatically from those of proprietary licenses.
4.Following are some of important functions of an operating System.
i.Memory Management.
ii.Processor Management.
iii.Device Management.
iv.File Management.
v.Security.
vi.Control over system performance.
vii.Job accounting.
viii.Error detecting aids.
5.Some of the examples of the utility programs (Utilities) include: Disk defragmenters, System Profilers, Network Managers, Application Launchers, Antivirus software, Backup software, Disk repair, Disk Cleaners, Registry Cleaners, Disk Space analyzer, file manager, File Compression, Data Security and many more.
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