Operating System (OS) Notes: Definitions & Explanations PDF Download
Study Operating System (OS) lecture notes PDF definitions and explanation to study “What is Operating System (OS)?”. Study operating system (os) explanation with operating system terms to review operating system course for online degree programs.
Operating System (OS) Definition:
Software that controls the execution of programs and that provides services such as resource allocation, scheduling, IO control and data management.
Operating Systems by William Stallings
Operating System (OS) Notes:
Operating system is a low-level software that supports a computer's basic function, such as scheduling tasks and controlling peripherals. It is a software that manages computer hardware, software resources and provides common services for computer programs.
Keep Learning with Operating System Notes
What is Segment?
A process is divided into segments. The chunks that a program is divided into which are not necessarily all of ...
What is Sequential Access?
Sequential access means that a group of elements, such as data in memory array or magnetic disk storage, is accessed ...
What is Instruction Cycle?
Instruction cycle is a processor cycle in which one instruction is processed. Each cycle processes a single instruction. There are ...
What is File Organization?
File organization refers to the logical relationships, among certain records that are part of the file, with respect to the ...
What is Programmed IO?
Programmed IO is a way of moving data between devices in a computer in which all data must be passed ...
What is File Allocation Table?
A file allocation table is a table that an operating system maintains on a hard disk that provides a map ...