Quick Answer: How Does Operating System Handle Input And Output?

What is input and output of a system?

Inputs and Outputs Input is something put into a system or expended in its operation to achieve output or a result.

The information entered into a computer system, examples include: typed text, mouse clicks, etc.

Output is the information produced by a system or process from a specific input..

What are the examples of input and output devices?

Input and Output DevicesKeyboard.Mouse.Microphone.Bar code reader.Graphics tablet.

What is input output subsystem?

Input/Output Subsystem The I/O subsystem of a computer provides an efficient mode of communication between the central system and the outside environment. It handles all the input-output operations of the computer system.

What is output device give example?

An output device is any piece of computer hardware equipment which converts information into human-readable form. It can be text, graphics, tactile, audio, and video. Some of the output devices are Visual Display Units (VDU) i.e. a Monitor, Printer, Graphic Output devices, Plotters, Speakers etc.

Which device is both input and output?

For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations.

Why modem is both input and output device?

The modem is an input and an output device. It is used for sending and receiving information and data over telephone lines. … Therefore, a translator is needed to put the digital information and data from the computer into analogue form so the data can be sent over the telephone line.

What is I O structure?

Input/Output Structures are the means used in SSADM to form a detailed impression. of the order in which the users expect to see the data that is needed to accomplish the. action represented by a function. Each I/O Structure consists of a diagram and a.

What are input requirements?

1. The input requirement set is the set of all input bundles required to produce at least a given level of outputs.

What is Input Output Software in OS?

Generally most of the input/output software is within the operating system (OS), and some small part of that input/output software consists of libraries that are linked with the user programs and even whole programs running outside the kernel.

What are the 20 output devices?

Monitor (LED, LCD, CRT etc) Printers (all types) Plotters. Projector.

How can I improve my OS performance?

4 Easy Steps to Improve System PerformanceClear Cache. Periodically clear your cache. The system file “cache” holds files that speed up system performance. … Reboot Your Computer. A simple reboot can easily improve your system performance. … End a Specific Process. You also may need to end a process that is draining your computer’s resources. … Upgrade Hardware.

Is a operating system an input or output device?

The three major jobs of a computer are Input, Output, and Processing. In a lot of cases, the most important job is Input / Output, and the processing is simply incidental. … The primary role of the operating system in computer Input / Output is to manage and organize I/O operations and all I/O devices.

What are the 10 input devices?

Computer – Input DevicesKeyboard.Mouse.Joy Stick.Light pen.Track Ball.Scanner.Graphic Tablet.Microphone.More items…

What are the 10 examples of output devices?

10 Examples of Output DevicesMonitor.Printer.Headphones.Computer Speakers.Projector.GPS.Sound Card.Video Card.More items…•

What is output device and examples?

An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. For example, the image shows an inkjet printer, an output device that make a hard copy of anything shown on the monitor.