• Input devices
• keyboard
• mouse
• pen
• tablets and touch screens
• a note on mouse
• wired - usb connection 
• wireless - usb connection 
• Bluetooth- doesn't take up a usb port
• optical and laser
• inpute devices
• video/web conferencing
• consumer based - Skype, facetime 
• commercial - web ex, go to meeting, zoom, adobe connect
• zoom - video conferencing
• snapchat
• team viewer - screen sharing
• webcams
• instillation - using drivers
• usb device installation rule
• always install the drivers ( software) first  and then connect and configure the device ex: webcam
• install drivers for complete features
• internet audio and video formats
• image: raw file format, compressed file format
• raw file : bmp
• compressed: jpg or gif
• audio: raw, compressed
• raw: wav : 44100 khz 
• when record set the sampling frequency then the sampling depth, then the channels
• compressed file: mp4
• ipad: compressed file  
• web: streaming file
• ipad and web run on mp4
• html 4
• html 5 - doesn't need flash
• scanner
• Images - cant edit the document  
• OCR - an editable word document
• switch - network printer
• mfp- multifunction printer - scans, fax, copy - prints
• software OCR
• biometric input - fingerprint, facial features, Iris, handwriting
• more printers
• network printer uses an IP address - all computers can print with this
• 4 different types of printers
• free software at adobe creative cloud
• inkjet - color, cheap initial price - long term expensive
• laser - initially expensive, long - term cheaper
• LCD-LED technology
• resolution
• refresh rate - response time
• color depth
• Dot pitch
• Contrast ration
• Brightness ( nit)
• Replace older CRT monitors  
• port connection _ display, dvi port, hdmi port, VGA,
• wi di - projecting the screen from a tablet by wireless communication onto a projector
• intel's technology 
• both the laptop and the projector must support widi
• other wireless screen projection
• USB based wireless projection - diamond
• streaming from the screen
• cloud printing 
•  printing on a printer over the internet
• university printing at CSULA
• email document to printer
• HP laser jet
• printer characteristics
• printing speed
• printing speed
• printer drivers
• checking for driver errors
• device manager
• an exclamation mark against a printer on the device manager would indicate that the printer may not be fully functional  
• virtual printers
• virtual pdf printers
• directing printer output to pdf,xml, and snagit printer