Date post: | 23-Dec-2015 |
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InputInput
DevicesDevices
KeyboardKeyboard
Keyboard is
Keyboard is
used to type
used to type
texttext
ApplicationApplication Word-Word-
ProcessingProcessing
MouseMouse
Application:Application: GamesGames PaintPaint Almost for Almost for
everythingeverything
Controls the Controls the movement movement of the of the cursor on cursor on the monitorthe monitor
TrackballTrackball
Application:Application: Games Games PaintPaint Almost Almost
everythingeverything
It is like the It is like the mouse but mouse but instead the instead the marble is marble is on the on the mouse not mouse not under it under it
Light PenLight Pen
An input An input device that device that utilizes a utilizes a light-sensitive light-sensitive detector to detector to select objects select objects on a screenon a screen
Application :Application : Computer Computer
Assisted Assisted DrawingDrawing
Touch ScreenTouch Screen
Application:Application: Fast-food Fast-food
menu menu selectionselection
The screen is The screen is made up of a made up of a number of number of icons, icons, representing representing various various processes, it processes, it can be selected can be selected by touching the by touching the icon on the icon on the screenscreen
ScannerScanner
Application:Application: Desktop Desktop
publishingpublishing
This is a device, This is a device, which scans a which scans a document document (much similar to (much similar to a photocopier) a photocopier) and translates and translates graphical image graphical image or document or document into data into data readable for the readable for the computercomputer
Digital Camera Digital Camera
Application:Application: Take Take
picturespictures
High-resolution pictures High-resolution pictures can be taken and can be taken and stored in specially stored in specially designed memory designed memory (memory stick and (memory stick and floppy disks) it can be floppy disks) it can be even connected with even connected with the computer the computer
Bar Code ReaderBar Code Reader
Application:Application: Point of SalePoint of Sale
The bar code The bar code reader, reads reader, reads the code on the the code on the bottom of the bottom of the product, these product, these codes contain codes contain where the where the product was product was made and other made and other informationinformation
Optical Mark reader (OMR)Optical Mark reader (OMR)
Application:Application: Correction of Correction of
multiple-choice multiple-choice questionsquestions
A device that A device that reads marks in reads marks in predetermined predetermined places on places on specially specially prepared cards. prepared cards. They are They are typically used in typically used in multiple choicemultiple choice
Magnetic Ink Character Magnetic Ink Character Reader (MICR)Reader (MICR) Application:Application: Cheque Cheque
processingprocessing Used by banks Used by banks
to read cheque to read cheque numbersnumbers
On the bottom On the bottom pf cheques, pf cheques, there is a there is a sequence of sequence of funnily-shaped funnily-shaped number, this number, this reads those reads those numbers to see numbers to see if the cheque is if the cheque is real or not.real or not.
Optical Character Reader Optical Character Reader (OCR)(OCR) Application:Application: Business Business
papers papers computerisationcomputerisation
To read text To read text from paper to from paper to the computerthe computer
In operation, an In operation, an OCR system is OCR system is a bar code a bar code reader but it is reader but it is used to read used to read documents in documents in the computerthe computer
Speech Reader Speech Reader
Application:Application: Virtual Virtual
TechnologyTechnology Used to give Used to give
instructions and instructions and informationinformation
This is the This is the ultimate goal for ultimate goal for many computer many computer scientists – scientists – being able to being able to speak to the speak to the computer to computer to give instructions give instructions and even to and even to dictate dictate informationinformation
Hand Held TerminalsHand Held Terminals
Application:Application: SurveyingSurveying
These terminals are These terminals are similar to enhanced data similar to enhanced data bank calculators . They bank calculators . They allow offsite entry of allow offsite entry of information and the information and the ability to transfer the ability to transfer the data directly to the data directly to the mains computers and mains computers and mains sites by attaching mains sites by attaching a suitable connectiona suitable connection
Special gearSpecial gear
Application :Application : Architectural Architectural
walkthroughswalkthroughs Sophisticated Sophisticated
3D games 3D games
These add up These add up being involved being involved in the system as in the system as part of 3D part of 3D gamesgames
Hand writing recognitionHand writing recognition
A device which A device which you can use to you can use to write on a write on a computer screen computer screen and the computer and the computer translate your translate your hand writing as he hand writing as he could understandcould understand
Application:Application:Used instead of a keyboardUsed instead of a keyboard
Pen ComputingPen Computing
•A computer A computer that utilizes that utilizes an electronican electronic pen pen
Instead of a keyboardInstead of a keyboard
Input DevicesInput Devices
The EndThe End
Luke GrechLuke Grech Michael SultanaMichael Sultana