Operating System

One of the major tasks of an operating system is to perform cleanup operations.

manages the files, folders and directory systems on a computer.

deals with management of CPU.

It was the first computer using a mouse and a fully graphical interface.

The total memory is divided into various partitions of same size or different sizes.

Each task is given some time to execute, so that all the tasks work smoothly.

is a procedure managing the many processes that are running simultaneously on the operating system.

The various processes in an operating system need to be secured from each other's activities.

algorithms are designed so that once a process enters the running state, it cannot be preempted until it completes its allotted time.

is a condition of the process at a specific instant of time. It also defines the current position of the process.

It is a data structure that is maintained by the Operating System for every process

The most important task of a computer system is to execute programs.

it is a large array of storage or bytes, which has an address.

These systems run on a server and provide the capability to manage data, users, groups, security, applications, and other networking functions.

These OS are meant for the applications where time constraints are very strict and even the shortest possible delay is not acceptable.

This type of operating system does not interact with the computer directly.

These types of operating system is a recent advancement in the world of computer technology and are being widely accepted all-over the world and, that too, with a great pace.

When a program needs to be executed it is loaded onto the main memory till the execution is completed.

OS communicates with hardware and the attached devices and maintains a balance between them and the CPU.

Two new authentication methods tailored for touchscreens, the addition of antivirus capabilities to Windows Defender Smart Screen filtering, and support for the "Secure Boot" functionality on UEFI systems to protect against malware infecting the boot process are among the new security features in Windows.

used by the operating systems which allow the user can load the programs which are larger than the main memory of the computer.

is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware.

Vista has a reputation for making even the most powerful hardware appear mundane.

is a feature of the Windows operating system that contains many tools that help in configuring and managing the computer's resources.

It is also known as Windows Explorer. It allows the user to manage the content according to their preference such as a user can delete or rename a file, and search and transfer data.

One of the major use of computers is to access the web/internet.

The user interface of Windows has undergone substantial improvements, many of which are focused on improving the experience on tablet PCs and other touchscreen devices

The total memory is divided into various partitions of same size or different sizes. This helps to accommodate number of programs in the memory.

These OS are for applications where for time-constraint is less strict.

These types of OS serves the real-time systems. The time interval required to process and respond to inputs is very small. This time interval is called response time.

schedules different processes to be assigned to the CPU based on particular scheduling algorithms.

is based on priority where a scheduler may preempt a low priority running process anytime when a high priority process enters into a ready state.

it is the process of administering and managing computer networks.

One of the important use of an operating system that helps you to hide the variations of specific hardware devices from the user.

ios (iphone OS)

Andriod

first windows

input and output data is temporarily stored in Input Buffer and Output Buffer.

This is a device management technique used for processing of different tasks on the same input/output device.

when a process finishes its CPU processing after executing for the allotted time period.