INPUT OUTPUT DEVICE INPUT OUTPUT HARDWRE Input hardware
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INPUT & OUTPUT DEVICE
INPUT & OUTPUT HARDWRE • Input hardware consist of devices that translate data into computer readable form. • On the other hand, Output hardware consist of devices that translate information processed by the computer into a human understandable form.
INPUT DEVICES • • Keyboard Mouse Trackball Pointing Stick Touchpad Touch Screen Light pen Digitizer Scanner Bar Code Reader MICR Sensor OMR OCR Web-Cam Digital. Camera&Flash chip.
Keyboard A keyboard typically has 101 or 105 keys.
Keyboard • A device use to input text and characters by depressing buttons. • Actually it is a way to input letters or numbers into different applications or programs. • A keyboard also has special keys that help operate the computer.
Mouse
Mouse • A mouse is a pointing device used to move a pointer on the screen and to make selections. The mouse is used to open and close files. The bottom of a mouse has a rotating ball or an optical sensor that tracks movement and controls the location of the pointer.
Optical Mouse Uses light to determine mouse motion.
Mechanical mouse • Computer mouse that contains a metal or rubber ball on its under side. When the ball is rolled in any direction, sensors inside the mouse detect this motion and move the on-screen mouse pointer in the same direction.
Variation of Mouse. • Trackball : is movable ball, that can be rotated using your fingers or palm.
• Pointing Stick: Looks like a pencil eraser. It can be moved with your finger. • It is basically used in Laptop.
• Touchpad: is a small, flat surface over which you slide your finger, using the same movement you would with mouse.
• Touch Screen: is a video display screen that can be used as to receive input from the touch of a finger. • Touch screen is popularly used in ATMs.
Touch Screen
• Light pen: is a light sensitive pen like device which allow users to enter handwriting and marks onto a screen by means of a pen like stylus rather than typing on a keyboard.
• Digitizer: It is an electronic pen which can convert drawings and photos to digital data.
• Scanner: is an input device which can translate images of text, drawings, photos and the like into digital form.
BAR CODE READER • Bar Code: The vertical zebrastriped marks on most manufactured retail product.
BAR CODE READER • Barcode Reader: are optical scanners that can translate the symbols in the bar code into digital code.
BAR CODE READER
MICR • Magnetic Character Recognition (MICR): It can read the strange looking numbers printed at the bottom of the checks.
MICR
OMR • Optical Mark Recognition: Device that can read pencil marks and converts them into computer usable form. Common Use: SAT Exam, GRE Exam.
OMR
OCR • Optical Character Recognition: Device that can read preprinted character in a particular font and converts them into digital code.
• Web-Cam: A camera attaches to a computer used to record moving image that can be posted on a website in real time.
• Sensor: It is a input device that collects specific data directly from the environment and transmits it to a computer. It can be used to detect speed, movement, weight, pressure, temperature, wind, smoke, shapes etc.
OUTPUT DEVICE Output can be of Two types Softcopy Hardcopy Other
Softcopy Output Device • Monitor: Display the output. It can be of two types [1] CRT Monitor: Cathode Ray tube Monitor [2] Flat Panel Monitor: Liquid crystal display, Plasma, LED. • Projector: is an output device used to project information on to a large screen.
CRT Monitor
CRT (Cathode Ray Tube) monitors use phosphorescent dots to create the pixels that make up display images.
LCD
Flat Panel Monitors: Flat panel monitors usually use LCD (Liquid Crystal Display) or plasma to create output. Light is passed through liquid crystals to create the pixels.
Hardcopy Output Device • Printer: output device that can prints character, symbol, graphics etc on paper or other hardcopy medium. • Dot-Matrix Printer • Laser Printer • Ink-Jet Printer • Plotter • Multifunctional Printers.
• Dot matrix: Dot matrix printers use a print head to imbed images on a surface, using an ink ribbon.
• Ink jet: Inkjet printers spray tiny dots of ink on a surface to create an image.
• Laser: Laser printers use toner drums that roll through magnetized pigment and then transfer the pigment to a surface.
Plotters create a hard copy rendition of a digitally rendered design. The design is sent to the plotter via a graphics card, and creates the design using a pen. Generally used with engineering applications, plotters basically draw an image using a series of straight lines.
OTHER OUTPUT DEVICE • Sound output Device: Speaker. • Video Output Device: Photographic images that are played at 15 -29 frames per second to give the appearance of full motion.
- Hardware output
- Kelompok output device
- Hardware input device
- Hardware input processing and output devices
- Input processing output
- Unit fungsional dasar komputer
- Output
- Output
- Input and output unit
- Computer input and output devices notes
- Disadvantages of output devices
- Plotter input or output
- Extended hardware
- Plotter input or output device
- Fax machine is input or output device
- Is actuator an input device
- Disadvantages of input devices
- Ram input or output device
- Plotter is an input device
- Modern input devices
- Digitizer is an input device
- Is a printer input or output
- Is optical mark reader input or output
- Output devices scanner
- Digitizer input or output
- Is a dot matrix printer an input or output device
- Laser printer is input or output device
- Internal and external components of a computer
- Device driver does not support hardware shadow maps
- Hardware input
- Hardware input devices
- A tagout device is preferable to using a lockout device.
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- Definetion of computer
- Output device
- Is fax machine an output device
- Magnetic storage examples
- The primary output device in a graphics system is
- Focusing system in crt
- @capacitor/keyboard
- Is fax machine an output device
- Output device
- Discovering computers 2012
- Sistem unit komputer