Operating system

2. The state of execution of a program in a system. It is the basic unit of a work that shows a task under work or on the way to getting executed
5. A background process in the operating system that performs service tasks.
10. A memory management technique. In it, memory is divided into many simpler parts.
11. is an interface for user interaction with the operating system, which can be graphical (GUI) or command-based (CLI).
13. The file that starts the process in the operating system.
14. Software component that lets the operating system and a device communicate.
15. A program that loads the operating system at startup.

1. A condition in the operating system when there are high-priority tasks that keep executing and the low-priority jobs are in the waiting queue for a very long time.
3. Special kind of software that is used to handle process scheduling on a disk..
4. Property of an operating system or runtime environment to enable parallel (or pseudo—parallel) processing of multiple tasks.
6. Refers to a single sequential flow of activities being executed in a process.
7. The signal which is sent by either hardware or software when immediate attention by a process is required.
8. Central part of an operating system that provides applications with coordinated access to computer resources such as processor time, memory, external hardware, and an external input and output device.
9. A situation where several processes are waiting for each other and cannot continue execution.
12. Middle layer between the operating system and the hardware of a system.