What is operating system
Describe what is meant by the term operating system?
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An operating system refers to the program which forms as an intermediary between user and computer hardware. The purpose of an OS is to offer the environment which is suitable for the user in order to execute the programs in a convenient and effective manner. It is said to be a resource allocator which is responsible for allocating the system resources and a control program that controls the operation of computer hardware.
Illustrate the difference between firewall and proxy server.
Briefly explain the term ‘deadlock’?
Write down a short note on the Directory Services restore mode?
What do you understand by the term library in OS?
Describe the term busy waiting and spinlock.
Explain the term Priority inversion and Dispatch Inversion.
Explain relative and absolute cell referencing techniques with help of sample data.
How to increase the I/O efficiency?
Illustrate the term Independent process.
Explain the term Symmetric clustering.
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