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 Direct Memory Access (DMA)?
Direct memory access is a method that allows an IO device to send or receive data directly to or from ...
What is Synchronous Operation?
A synchronous operation blocks a process till the operation completes. This is the main difference in asynchronous and synchronous operation ...
What is Address Space?
Address space is the amount of storage/memory that is allocated for all possible addresses of computational entities such as a ...
What is Lightweight Process?
A lightweight process is a means of achieving multitasking. The threads created by users are implemented by allowing certain processes ...
What is Weak Semaphore?
A semaphore that doesn't specify order in which processes are removed from the queue is a weak semaphore. The main ...
What is Reentrant Procedure?
A reentrant procedure is one in which a single copy of the program can be shared by multiple users during ...
