POIT Lesson 6 Peripherals

• Peripherals are devices used for computer input and output Ex. Mouse, printer, keyboard, USB, etc.
• keyboard reports each key
• LCD and CRT monitors, touchscreen is input
• a pixel is the smallest colored dot that can be displayed on the screen, more pixels = more detail
• standard 1280 x 720  HD 1920 x 1080
• three printers, multi function, scanner, ink jet
• 3 1/2 in floppy disc to CD-ROM to DVD to Blu ray
• external drives give users more storage options
• tower cases have expansion bays, usually have at least one bay for an optical drive
• different sizes and types of 
• your dream computer need peripherals