Chapter 4 notes
Chapter 4 notes CSCI 148_01
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This 2 page Class Notes was uploaded by TaTyanna Miller on Thursday January 21, 2016. The Class Notes belongs to CSCI 148_01 at University of Findlay taught by Schneider, Helen in Spring 2016. Since its upload, it has received 121 views. For similar materials see Educational Technology in Education and Teacher Studies at University of Findlay.
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Date Created: 01/21/16
01/25/16 Educational technology Chapter 4 notes Library: still has the client machines System units: has processing company for your date etc. - Everything is represented by electricity - One binary: yes, no, true, or false - 1=on - 0=of - 8 bites together to rep a byte - 2 binary digits: yes, no, or maybe - 4 possible combinations Central processing unit - Numbers: 10 choices - 2^3, 2^5: bites to make a useful chunk of bytes - Every time you type a letter it takes up a bite of storage space - Megabytes: roughly 1 mil - Gigabytes: roughly 1 bil - Terabyte: 1 gigabyte Plug and play: plug in USB drive and the computer finds USB for you Removable memory; external storage Input: CD, Programs Camera/Phones: typically, internal storage Commands: an instruction given to a computer program example; bold face word, save or not save a document User response: responses to questions or messages from the software Input devices: The keyboard - Typing area - Numeric keypad - Toggle keys - Status lights - Arrow keys-arrow control keys - Function keys - Specialized buttons Pointing inbox - Mouse One or two button mouse Several wheel Clicking, dragging Trackball - Like a mouse, but the ball mechanism is on top Joystick - Uses the movement of vertical lever Wheel - Steering wheel type input device Touch screens/multi touch screens - Monitor has a touch sensitive panel Optical scanner Pen input Stylus- small metal, looks like a tiny ink pen Digital pen- slightly larger, provides more functionality Digital Cameras - Allows you take pics and store the image digitally Audio input: - Entering speech, music, or sound efects Video input: - Capturing a full motion recording onto a computers
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