Question

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Answer 1

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Q1) Explain the fundamental task of the OS regarding the process, resource, protections, and synchronization.

Answer)

An operating system is a system software which manages the computer hardware and software resources and provides services to the computer programs and to the user. The OS is initially loaded into the computer using a boot program and also manages the other applications in the computer. The other programs which execute on the OS are known as application programs.

OS performs many kinds of activities in the computer such as:

a) Booting the computer - OS checks the computer resources if they are ready to start the computer and then boots the computer.

b) Memory Management - Memory Management is another basic yet powerful function of the OS wherein the RAM, ROM, Hard disk and all the types of memory, basically, the RAM is synchronized to be executed in the OS. Different programs execute in the computer system very fastly.

c) Loading and Execution of a program/application into the memory and then executing the program.

d) Data security is also achieved using the OS where the data stored in the computer is protected by the security features of the OS against illegal use, modification or deletion.

e) Disk Management is the feature of the OS where it manages the stored files and folders in an organized way.

f) Device Control is the feature of the OS where it controls all the hardware devices which are attached to the OS with the help of device drivers.