Input, Output and Storage Devices

Enable you to input data and command into the computer.

Most commonly used input device for entering numeric and alphabetic data into a computer

Types of Keyboard

an input device that allows a user to position the pointer on the screen

Types of pointing devices

most commonly used pointing device for PC.

works like mouse turned upside down

consists of a plastic or metal rod mounted on a base

a steering wheel type of device used to stimulate driving a vehicle

A pressure sensitive device that looks like a pencil eraser

A flat drawing surface on which the user can draw figures or write something free hand

A special screen with pictures or shapes

Pen-like writing instrument

Allows to input information by writing on
a PDA or other mobile devices

Process of inputting sounds into computer

a category of audio input

used to speak commands into the computer
or enter text

Commonly used in laptop

Change images into codes for input to the computer

Pictures taken are stored digitally and then transferred to the computer’s memory

The process of capturing full motion images with a type of video camera and then saving the videos on a storage medium

authentication technique using automated methods of recognizing a person based on a physiological or behavioral characteristics

synchronized positioning of light emitting and sensing devices to enter user input

enables user to scroll through and adjust the volume, play music, view videos or pictures and customize settings

Enable the computer to give you the results of the processed  data

Commonly used output device for personal computers

Provide soft copy output

Produce a paper or hard copy output

Use a mechanism that actually strikes the paper to form letters and images.

Form characters without striking the papers

Form characters by heating paper

A small, battery powered printer, primarily used to print from a notebook

Prints labels of various types and sizes on an adhesive type paper.

Large printer used by engineers, architects and graphic artists

Projects the computer image onto a screen mostly used for presentations

Use oxide-coated plastic storage media called Mylar

As the disk rotates an electromagnetic read/write head stores or retrieves data in circles called ___

Each track is labelled and the location is kept in a special log on the disk called ____

A flat circle of iron oxide-coated plastic enclosed in a hard plastic case

Floppy disk capacity

Used to store data inside the computer

Use laser technology to read and write data on silver platters

A non-volatile, removable medium that uses ICs.

The main advantage of this type of storage medium if that everything is processed electronically and it contains no mechanical parts