win os & hardware
DESCRIPTION
Win OS & Hardware. Input. Getting data into the computer. Input. There are 4 types of input: Text Graphics Audio Video. Keyboard. Keyboard – the primary input device. Keyboard. - PowerPoint PPT PresentationTRANSCRIPT
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Win OS & HardwareWin OS & Hardware
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InputInput
Getting data into the computerGetting data into the computer
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InputInput
There are 4 types of input:There are 4 types of input:
TextText
GraphicsGraphics
AudioAudio
VideoVideo
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KeyboardKeyboard
Keyboard – the primary input device Keyboard – the primary input device
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KeyboardKeyboard
A keyboard is a series of switches A keyboard is a series of switches connected to a microprocessor that connected to a microprocessor that monitors the state of each switch monitors the state of each switch
and initiates a specific response to and initiates a specific response to a change in that state.a change in that state.
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KeyboardKeyboard
The most common keyboards are: The most common keyboards are:
101-key Enhanced keyboard 101-key Enhanced keyboard
104-key Windows keyboard 104-key Windows keyboard
82-key Apple standard keyboard 82-key Apple standard keyboard
108-key Apple Extended keyboard 108-key Apple Extended keyboard
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MouseMouse
Mouse was originally invented at Mouse was originally invented at Xerox’s Palo Alto Research Center Xerox’s Palo Alto Research Center
(PARC) in the late 70’s(PARC) in the late 70’s
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MouseMouse
Mice where first introduced to the Mice where first introduced to the public with the introduction of the public with the introduction of the
Apple Macintosh in 1984Apple Macintosh in 1984
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MouseMouse
Primary pointing device – Primary pointing device –
it moves a cursor on screen it moves a cursor on screen corresponding to the movement of corresponding to the movement of
the mouse by the userthe mouse by the user
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MouseMouse
Types of mice:Types of mice:
Roller BallRoller Ball
Track BallTrack Ball
OpticalOptical
Light PenLight Pen
Graphic StylusGraphic Stylus
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MouseMouse
Roller Ball:Roller Ball:
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MouseMouse
Track Ball:Track Ball:
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MouseMouse
Optical: (LED)Optical: (LED)
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MouseMouse
Optical: (LASER)Optical: (LASER)
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MouseMouse
Light PenLight Pen
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MouseMouse
Graphic StylusGraphic Stylus
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MouseMouse
Mouse Interfaces:Mouse Interfaces:
PS/2PS/2
USBUSB
SerialSerial
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MouseMouse
PS/2PS/2
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MouseMouse
USBUSB
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MouseMouse
SerialSerial
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ScannerScanner
Optical Device similar to a copierOptical Device similar to a copier
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ScannerScanner
Designed to make copies of images Designed to make copies of images & text for use with a computer& text for use with a computer
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ScannerScanner
ImagesImages
Converts Analog signal copy to a Converts Analog signal copy to a Digital signal copy that a computer Digital signal copy that a computer
can usecan use
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ScannerScanner
TextText
Converts the text into digital format Converts the text into digital format via OCR (Optical Character via OCR (Optical Character
Recognition) softwareRecognition) software
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ScannerScanner
OCROCR
Recognizing the text on a document Recognizing the text on a document to be able to convert it to editable to be able to convert it to editable text a word processing or other text a word processing or other
software can usesoftware can use
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Digital CameraDigital Camera
Allows users to take pictures and Allows users to take pictures and store the photographed images store the photographed images
digitally. digitally.
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Digital CameraDigital Camera
When you take a picture, light When you take a picture, light passes into the camera lens, which passes into the camera lens, which
focuses the image on a focuses the image on a charge-charge-coupled device (CCD)coupled device (CCD). The CCD . The CCD generates an analog signal that generates an analog signal that
represents the image.represents the image.
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Digital CameraDigital Camera
An analog-to-digital converter An analog-to-digital converter (ADC) converts the analog signal to (ADC) converts the analog signal to
a digital signal. A a digital signal. A digital signal digital signal processor (DSP) processor (DSP) stores the digital stores the digital
image on the camera’s storage image on the camera’s storage media. media.
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Digital CameraDigital Camera
The images can be transferred to a The images can be transferred to a computer via a USB/Serial/Firewire computer via a USB/Serial/Firewire
connectionconnection
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AudioAudio
Recording sound for use with a Recording sound for use with a computercomputer
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AudioAudio
Voice RecognitionVoice Recognition
Computer software interprets Computer software interprets spoken words and converts them spoken words and converts them
into digital forminto digital form
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AudioAudio
MusicMusic
Computer software interprets music Computer software interprets music signals from Midi (Musical signals from Midi (Musical
Instrument Digital Interface) Instrument Digital Interface) compatible instruments and compatible instruments and
converts them into digital formconverts them into digital form
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AudioAudio
MusicMusic
Direct recording of music through a Direct recording of music through a sound card input interfacesound card input interface
Wav (Wave files) a digital Wav (Wave files) a digital representation of an analog signalrepresentation of an analog signal
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VideoVideo
Converting analog signal to a digital Converting analog signal to a digital signal or direct digital transfer to the signal or direct digital transfer to the
computercomputer
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VideoVideo
USB or FireWire interfaceUSB or FireWire interface
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VideoVideo
On the computer can be edited via On the computer can be edited via NLE (Non-Linear Editing) softwareNLE (Non-Linear Editing) software
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InputInput
All input devices regardless of type All input devices regardless of type allow us to enter some form of data allow us to enter some form of data
into the computer for use with into the computer for use with software or for storagesoftware or for storage
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InputInput
Questions?Questions?