Input Devices An input device is a hardware or peripheral device used to send data to a computer. An input device allows users to communicate and feed instructions and data to computers for processing, display, storage and/or transmission. Two main types of Input devices Human Data-entry Device...
《计算机英语》课件Chapter3InputDevicesChapter3InputDeviceObjectiveAfterreadingthischapter,youshouldbeableto:Explaintheroleofinputdevices.Knowwhatthecommoninputdevicesare.Knowtheuseofthecommoninputdevice.3.3MouseAmouse(pluralmouses,mice,ormousedevices)isapointingdevicethatfunctionsbydetectingtwo-dimensionalmotionrelative...
devices...精品文档 Keyboard Thecommonestwaytoenterdataintoacomputer.Eachkeyissimplyaswitch,whichwhenpressed,resultsinadigitalcodebeingsenttothecomputer.精品文档 Mouse Themovementofthemouseoveraflatsurfaceismirroredbyapointeronthemonitorscreen.Underthemouseisaballwhichrollsandturnstwoshafts,oneforeachdirectionleft/...
《计算机英语》课件Chapter3InputDevices Chapter3InputDevice ObjectiveAfterreadingthischapter,youshouldbeableto:Explaintheroleofinputdevices.Knowwhatthecommoninputdevicesare.Knowtheuseofthecommoninputdevice.3.1InputDevice Inputdevicesarehardwareusedtoprovideinputtothecomputer.Thepurposeofinputdevicesistocollectdataand...
Input Devices Input Data or instructions entered into memory of computer Input device is any hardware component used to enter data or instructions Input - Types Data Commands Unprocessed text, numbers, images, audio, and video Commands Programs User Responses ...
Inputdevices PROJECTSKETCHPAD •characterizesinteractivecomputergraphics:•Userseesanobjectonthedisplay•Userpointsto(picks)theobjectwithaninputdevice(lightpen,mouse,trackball)•Objectchanges(moves,rotates)•Repeat GRAPHICALINPUT •Devicescanbedescribedeitherby •Physicalproperties •Mouse•Keyboard•...
lesson7-Input-Devices 专业英语 INPUTDevicesBaskerGeorgeSchoolofComputerScienceandSoftwareEngg.Input Inputisanydataorinstructionsthatareusedbyacomputer.Inputdevicesarehardwareusedtoprovideinputtothecomputer.Inadditiontokeyboardsandmice,widelyusedinputdevicesincludescanning,imagecapturing,digitizing,andaudioinputdevices.K...
The utility module provides a PPT courseware auxiliary input device, and belongs to the field of input devices. The PPT courseware auxiliary input device is composed of a computer display device (1), a wireless receiver (2) and a touch device (3). The touch device (3) is fixed above ...
Input&OutputDevices Toolsforpeopletointeract&communicatewithcomputers.EnterdatausinginputdevicesComputergiveusbacktheresultsthrough outputdevices 5-2 InputDevices Anyhardwarecomponentthatallowstheusertoenterdata,programs,commands,anduserresponsetoacomputer 5-3 TraditionalInputDevices Keyboards Point-and-DrawDevices 5-...
input devices Physical Devices Logical Devices Input Modes Event-driven input Introduce double buffering for smooth animations Programming event input with GLUT Project Sketchpad Ivan Sutherland (MIT 1963) established the basic interactive paradigm that characterizes interactive computer graphics: User sees an...