Terminology

No	Word	Definition
1.	Concurrency	A property of systems in which several computations are executing simultaneously, and potentially interacting with each other.
2.	Deadlock	It the situation that two processes need two non-shareable resources to proceed but one process has acquired one resource and the other has acquired the other resource
3.	Kernel	It is the controlling program that running at all times on the computer.
4.	Paging	A technique used to implement virtual memory.
5.	Process	It is an instant of a program in execution.
6.	Process Context	The information that allows the operating system to resume the execution of a process.
7.	Time Sharing	It is the sharing of a computing resource among many users by means of multiprogramming and multitasking.
8.	Time Slicing	It is the most common technique to implement time sharing in operating systems.
9.	Virtual Machine	It is an imaginary machine that is created by Kernel.