Lesson_02 - 1 Lesson 2 Input Output and Processing Computer Literacy BASICS A Comprehensive Guide to IC 3 3 rd Edition Morrison Wells L e s s o n 2

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Unformatted text preview: 1 Lesson 2 Input, Output, and Processing Computer Literacy BASICS: A Comprehensive Guide to IC 3 , 3 rd Edition Morrison / Wells L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E 2 Objectives Identify and describe standard and specialized input devices. Identify and describe standard and specialized output devices. Identify and describe how input and output devices are connected to the computer. Consider computer performance factors. L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E 3 Vocabulary audio input biometrics digital camera expansion slot FireWire inkjet printer input keyboard laser printer modem monitor mouse L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E 4 Vocabulary (continued) output plug-and-play pointing device port printer scanner trackball Universal Serial Bus (USB) L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E 5 Introduction Input, which is data or instructions, must be entered into the computer and then stored on a storage media device. To turn the data into information, the CPU process the data. After data is processed, it is “presented” to the user through an output device. L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E 6 Standard Input Devices Input devices enable you to enter data and commands into the computer. Keyboard: Most commonly used input device. Besides a traditional keyboard, popular types include: – Ergonomic – Cordless or wireless – Specialized – Security – Foldable or flexible – Laser virtual keyboard L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E Mouse: Most commonly used pointing device. Types include: 7 Standard Input Devices (continued) Pointing Devices: An input device that allows you to position the pointer on the screen. – Mechanical – Optomechanical – Optical – Wireless Optical mouse L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E 8 Standard Input Devices (continued) Trackball: A pointing device that works like a mouse turned upside down; the ball is on top, operated by your thumb and fingers. Touchpad: Common feature on laptops; a specialized surface that converts the motion and position of your fingers to a position on the screen. L e s s o n 2 Morrison / Wells CLB: A Comp Guide to IC 3 3E 9 Standard Input Devices (continued) Pointing Stick: A pressure-sensitive device located on the keyboard of many notebook computers and...
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This note was uploaded on 12/01/2011 for the course EGR 125 taught by Professor Dianeboseman during the Spring '11 term at Guilford Tech.

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Lesson_02 - 1 Lesson 2 Input Output and Processing Computer Literacy BASICS A Comprehensive Guide to IC 3 3 rd Edition Morrison Wells L e s s o n 2

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