OS Flashcards
(26 cards)
acts as an intermediary between the user of a computer and computer hardware.
Operating system
The purpose of an operating system is to provide an environment in which a user can execute programs in a…
convenient and efficient manner.
It is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
operating system
t is considered the backbone of a computer, managing both software and hardware resources
Operating System
define the ways in which the system resources are used to solve the computing problems of the users.
Application Programms
Types of Operating System
Batch Os
Time-Sharing Os
Distributed Os
Network Os
Real-Time Os
A type of Operating system with a job with similar needs and run as a group
Batch Operating system
It is a technique which enables many people, located at various terminals, to use a particular computer system at the same time.
Time-sharing operating system
It uses multiple central processors to serve multiple real-time applications and multiple users. Data processing jobs are distributed among the processors accordingly.
Distributed Operating System
The primary purpose of the this type of operating system is to allow shared file
and printer access among multiple computers in a network, typically a local area network (LAN), a private network or to other networks.
Network Operating System
It is defined as a data processing system in which the time interval required to process and respond to inputs is so small that it controls the
environment.
Ream-time Operating System
There are two types of real-time operating systems.
Hard real-time systems
Soft real-time systems
It guarantee that critical tasks complete on time.
Hard real-time systems
These are less restrictive. A critical real-time task gets priority over other tasks and retains the priority until it completes. It has limited utility than hard real-time systems.
Soft real-time systems
Goals of Operating System
User Friendly and Efficient
Functions of Operating System
Process Management
Memory management
Input or output device management
File Management
Network Management
Security Management
In a multi-programming environment, the OS decides the order in which processes have access to the processor, and how much processing time each process has. This function of OS is called…
Process Scheduling
It refers to the management of Primary Memory or Main Memory.
Memory Management
It is a large array of words or bytes where each word or byte has its own
address.
Main Memory
It is a graphical operating
system developed and published by Microsoft.
Microsoft Windows
Top 5 Windows Edition
Window XP
Windows 95
Widows 7
Windows 10
Windows 8
was popular and long-lived. Windows XP, released in 2001, still has
a larger worldwide market share than Windows 8 or Windows Vista.
Windows XP
released in August 1995, was when the public started to embrace
Windows. Microsoft launched a gigantic public relations blitz, highlighting
the introduction of the Start button
Windows 95
had way more fans than previous Windows versions, and many users
think it is Microsoft’s best OS ever. It is Microsoft’s fastest-selling OS to date — within a year or so, it overtook XP as the most popular operating system.
Windows 7
