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Function of Operating system
An operating system is a crucial program that facilitates interaction between the user and computer hardware, providing an efficient environment for executing programs. Its primary functions include process management, resource management, file management, communication management, security management, memory management, and device controlling. Each function is essential for ensuring that computer tasks run smoothly and securely.
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Introduces the concept of an operating system and its role in managing computer functions.
Defines an operating system as a user interface with computer hardware, facilitating program execution.
Lists the main functions: Process, Resource, File, Communication, Security, Memory, and Device Management.
Details process management, overseeing tasks from initiation to shutdown and CPU task allocation.
Describes resource management, including installing necessary drivers for various devices.
Explains file management components such as naming, organizing, and defining file attributes.
Outlines communication management, facilitating data transfer between computers over networks.
Details security management functions, including virus control, firewalls, and password protection.
Discusses the importance of an OS in memory management, segregating primary and secondary storage.
Explains how the OS controls hardware devices through device drivers.
Concludes the presentation with a thank you note.
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Function of Operating system
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- 2. INTRODUCTION System isa collection of programs which control the overall functions of which control the overall functions of computer. An operating system is a program that acts as an interface between the user of a computer and the computer hardware. The purpose of operating system is to provide an environment in which a user can execute programs in a efficient manner. Operating system also acts as a platform on which various application programs such as word processor and excel are executed.
- 3. Functions of operatingSystem:- Process Management. Resource Management. File Management. Communication Management. Security Management. Memory Management. Device Controlling.
- 4. Process Management Allprocess from start to shut down.Open, Save, Install, Copy, Print. CPU can perform one task at one time. if there are many tasks, operating system decides which task should get the CPU.
- 5. Resource Management Installing driversrequired for input, communication output, memory, power, communication devices.
- 6. File Management Name Folders. Location. Attributes – size, type, modified, protection, password etc.
- 7. Communication Management. Downloading-Uploading. One computerto other computer in One computer to other computer in LAN/WAN.
- 8. Security Management. Virusmanagement. Alert messages. Dialogue boxes. Firewall. Passwords./ Access protection
- 9. Memory Management Itis also an important function of operating system. The memory cannot be managed without operating system. If there is no operating system, the programs may mix with each other. The system will not work properly. Primary RAM-ROM. Secondary – Hard Disc, CD, DVD, Pen Drive etc.
- 10. Device Controlling Operating systemalso controls all devices attached to computer. The hardware devices are controlled with the help of small software called device drivers.
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