Lesson 2 Input, Output, and Processing

Computer Literacy BASICS: A Comprehensive Guide to IC3, 3rd Edition

1 Morrison / Wells 2 Lesson 2 Objectives    Morrison / Wells  Consider computer performance factors. performance computer Consider the computer. to connected are devices output and input how describe and Identify devices. output specialized and standard describe Identify and devices. input specialized and standard describe and Identify CLB: CLB: A Comp Guide to IC 3 3E 3 Lesson 2 Vocabulary       Morrison / Wells inkjet inkjet printer FireWire slot expansion camera digital biometrics input audio       mouse monitor modem printer laser keyboard input CLB: CLB: A Comp Guide to IC 3 3E 4 Lesson 2 Vocabulary (continued) Vocabulary      Morrison / Wells printer port device pointing plug output - and - play    (USB) Bus Serial Universal trackball scanner CLB: CLB: A Comp Guide to IC 3 3E 5 Lesson 2 Introduction    Morrison / Wells the user through an output device. output an through user the to is it “presented” After processed, is data process the data. CPUthe information, into data the To turn device. media a storage on stored then and computer the into entered be must instructions, or data is Input, which CLB: CLB: A Comp Guide to IC 3 3E 6 Lesson 2 Standard Input Devices InputStandard    Morrison / Wells – – – traditional keyboard, popular types include: types popular keyboard, traditional a Besides device. input used commonly Most Keyboard: computer. the into commands and data to enter you enable Input devices Specialized Cordless or wireless Ergonomic – – – CLB: CLB: A Comp Guide to IC Laser Laser virtual keyboard Foldable or flexible Security 3 3E 7 Lesson 2 Standard Input Devices (continued) Devices InputStandard     Morrison / Wells – – device. include: device. Types pointing used commonly Most Mouse: screen. onthe pointer the to position you allows that device An input PointingDevices: Optomechanical Mechanical – – Wireless Optical CLB: CLB: A Comp Guide to IC Optical Optical mouse 3 3E 8 Lesson 2 Standard Input Devices (continued) Devices InputStandard     Morrison / Wells of your fingers to a position on the screen. the on to aposition fingers of your position and motion the converts that surface aspecialized on laptops; feature Common Touchpad: fingers. and thumb your by operated is ontop, the ball down; upside turned amouse like works that device A pointing Trackball: CLB: CLB: A Comp Guide to IC 3 3E 9 Lesson 2 Standard Input Devices (continued) Devices InputStandard     Morrison / Wells and music. and effects, sound speech, including computer, the into sound of inputting The process AudioInput: forefinger. the with moved keyboard of manynotebook computers and A pressure PointingStick: - sensitive device located on the the on located device sensitive CLB: CLB: A Comp Guide to IC 3 3E 10 Lesson 2 Standard Output Devices OutputStandard    Morrison / Wells LCD, and gas plasma. gas LCD, and CRT, include Varieties computer. desktop for a device Display Monitors: information. display devices Output format. a useful into processed been has that isdata Output CLB: CLB: A Comp Guide to IC CRT monitor 3 3E 11 Lesson 2 (continued) Devices OutputStandard     Morrison / Wells technology as copier machines. machines. ascopier technology high Produces Printers: Laser choosing. when price and quality, processing result. Considerspeed, print the of copy or hard paper a toproduce Used Printers: - quality output using the same same the using output quality CLB: CLB: A Comp Guide to IC 3 3E 12 Lesson 2 (continued) Devices OutputStandard     Morrison / Wells privately. to hear earphones or headsets use can Individuals as such music. sound Generate Speakers: printer. laser a than expense for less printing color quality good to provide process anonimpact Uses Printers: Inkjet CLB: CLB: A Comp Guide to IC - 3 3E 13 Lesson 2 Specialized InputDevices Specialized     Morrison / Wells games. for used often most are wheels Joysticks and Game Controllers: memory. computer’s to the transferred then and digitally stored are Pictures Cameras: Digital CLB: CLB: A Comp Guide to IC Joystick 3 3E 14 Lesson 2 (continued) InputDevices Specialized   Morrison / Wells the computer. Various types include: types Various the computer. into input for codes into images change Can Readers: Code Scanners/Bar – – – – – mark mark (OMR) recognition optical(OCR) andOptical recognitioncharacter Wireless scanners Magnetic scanners Bar code scanners Image scanners CLB: CLB: A Comp Guide to IC scanner Optical 3 3E 15 Lesson 2 (continued) InputDevices Specialized    Morrison / Wells  information to a PDA or other mobile device. mobile other or to aPDA information Pen Stylus: selections. make to your fingers use you shapes; or pictures with screen Special Screen: DisplayTouch - like writing instruments to input to input instruments writing like CLB: CLB: A Comp Guide to IC 3 3E 16 Lesson 2 (continued) InputDevices Specialized     Morrison / Wells as for industry and business applications. business and as industry for well as andfans lights, televisions, Used for Controls: Remote security. or pollution, as humidity, such area work ofthe elements to monitor browser a Web with Used Sensors: and Probes Environmental CLB: CLB: A Comp Guide to IC 3 3E 17 Lesson 2 (continued) InputDevices Specialized    Morrison / Wells The way biometric technology works: technology biometric way The scanned information into a digital format. the converts that software and device scanning or of areader consist devices Biometric Devices: Security – – – Verification Submission Enrollment : User establishes baseline measurementUserbaseline establishes : : System comparessamples : : User presents proof Userpresents proof of identity : CLB: CLB: A Comp Guide to IC 3 3E 18 Lesson 2 (continued) InputDevices Specialized   Morrison / Wells keyboard. computer a virtual example, input; for user detect to devices sensing and emitting light of positioning synchronized Use the Virtual Devices: CLB: CLB: A Comp Guide to IC - 3 3E 19 Lesson 2 (continued) InputDevices Specialized     Morrison / Wells keyboard that can be operated with the feet. the with operated be can that keyboard a as such ways, different in operated be can that available are devices Various special Challenged: Physically for the Input Devices choices. andmake alist through scroll to you enable device, On aportable Touch - Sensitive Pads: Sensitive CLB: CLB: A Comp Guide to IC 3 3E 20 Lesson 2 Specialized OutputDevices Specialized     Morrison / Wells manufacturing. systems design, ofrobot use for and Control devices/robots: Robotics study, is the options copying. printing,scanning, and such as Multifunction printer: Combines various output computer. receive documents lines through phone or Fax machines faxmodems: and Transmit and Projectors: Mostly for presentations. used CLB: CLB: A Comp Guide to IC 3 3E 21 Lesson 2 (continued) OutputDevices Specialized      Morrison / Wells  output; used by engineers, architects, output; architects, artists. usedandengineers, by Plotters/large on adhesive postage, LabelandincludingPrintslabels, postage: battery Mobile:Small, Thermal: Forms characters by heatingpaper. large computers. Line High printer: Specialized Printers: - type paper. type - format: format: drafting andFor drawing - speed printer attached primarily to attached primarilyprinter speed - powered printer. powered CLB: CLB: A Comp Guide to IC 3 3E 22 Lesson 2 (continued) OutputDevices Specialized   Morrison / Wells Various special devices available: are devices Various special Challenged: Physically for the Devices Output – – – text into synthetic speech. synthetic text into computer written changes Avoice Voice synthesizers: impaired. visually or blind are who people for content read to synthesizers speech Use readers: Screen screen. computer the on information Enlarge magnifiers: Screen CLB: CLB: A Comp Guide to IC 3 3E 23 Lesson 2 Devices Computer Devices to the Output and Input Connecting    Morrison / Wells IrDA, Bluetooth.and SCSI, purpose ports include and USB ports, special FireWire,Besidestraditional, with thesystem unit. attaches to orcommunicates deviceto a peripheralwhich A port, or jack,is aninterface Ports and Connectors: - CLB: CLB: A Comp Guide to IC 3 3E 24 Lesson 2 Devices to the Computer (continued) Computer the to Devices Output and Input Connecting    Morrison / Wells play installation for newly connected devices. connected newly for installation play plug automatic an it performs driver, the contains system already If the operating a driver. called system, operating computer’s with the communicates that ofinstructions aset need they towork, devices hardware most For Installation: Hardware CLB: CLB: A Comp Guide to IC - and - 3 3E 25 Lesson 2 Computer Performance Factors Computer Performance  Morrison / Wells performance: performance: affect a computer’s of factors A variety – – – – Video: Can enhance or slow down performance. or slowdownVideo: enhance Can Hard disk: andBigger faster dataprocess faster. performance. andthe cycle enhance processing (RAM): memory increaseRandom access Helps faster speed.better and theprocessing Microprocessor: the The highergeneration,the CLB: CLB: A Comp Guide to IC 3 3E 26 Lesson 2 Summary   In this lesson,you learned: Morrison / Wells biometric input. touchpad, scanner,digital displayscreen, tablet, touchjoystick, stick, graphics pointingwheel, Other the trackball, types of includedevicesinput mouse. andinputare the keyboard devices commandsthe The computer. into most common you toinputInput data and enabledevices stylus, voicedevices, recognition camera, video input,and videocamera, CLB: CLB: A Comp Guide to IC 3 3E 27 Lesson 2 Summary Summary (continued)   Morrison / Wells print quality, andcost. quality, print speed, include printer a selecting for Criteria result. processed the of copy hard or a paper to produce are used Printers soft copy. produce Monitors devices. output of examples are printers and Monitors CLB: CLB: A Comp Guide to IC 3 3E 28 Lesson 2 Summary Summary (continued)   Morrison / Wells replace serial and parallel ports. and parallelreplace serial (USB)to ports. standard expectedUSBis anewer throughBus UniversalSerialand parallel,serial, to the are connected devicescomputer Peripheral waves. radio computer throughinfrared or the withcommunicate devicesconnection. Wireless a communicate computerthroughphysical withthe computer. anddevicesSomeinput output Input output devicesbeto the must and connected CLB: CLB: A Comp Guide to IC 3 3E 29 Lesson 2 Summary Summary (continued)    Morrison / Wells monitor, and disk organization. disk and monitor, of capability speed, and size disk hard of RAM, amount the processor, of the speed the by affected is performance A computer’s purpose ports. special SCSI, are Bluetooth IrDA, and devices. external 63 to up connect can that bus external of atype is FireWire CLB: CLB: A Comp Guide to IC - 3 3E