What is process and its types?
A process is basically a program in execution. The execution of a process must progress in a sequential fashion. A process is defined as an entity which represents the basic unit of work to be implemented in the system.
What is operating system and example?
Some examples of operating systems include Apple macOS, Microsoft Windows, Google’s Android OS, Linux Operating System, and Apple iOS. … Similarly, Apple iOS is found on Apple mobile devices such as an iPhone (though it previously ran on Apple iOS, iPad now has its own OS called iPad OS).
What are the two basic types of operating system?
Two basic types of operating systems are: sequential and direct batch.
What are the differences between operating systems?
All operating systems are system software. Every desktop computer, tablet, and smartphone includes an operating system that provides basic functionality for the device.
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Difference between System Software and Operating System :
| System Software | Operating System |
|---|---|
| System software manage the system. | Operating System manages system as well as system software. |
Why Semaphore is used in OS?
Semaphore is simply a variable that is non-negative and shared between threads. This variable is used to solve the critical section problem and to achieve process synchronization in the multiprocessing environment. This is also known as mutex lock. It can have only two values – 0 and 1.