《IT职业英语》课件1-1-reading

2023/12/12IT职业英语0ContentsWhatisacomputer?1Keyelementsinacomputersystem

22023/12/12IT职业英语1Vocabulary1.processor n.处理机2.elements n.元素3.memory n.内存4.inputdevices n.输入设备 5.outputdevices n.输出设备6.storage n.存储，存储器7.peripherals n.外围设备8.kernel n.内核，核心9.CentralProcessingUnit(CPU) n.中央处理器10.ArithmeticandLogicUnit(ALU) n.算术逻辑单元11.Random-AccessMemory(RAM) n.随机存取存储器12.chip n.芯片13.floppy n.软盘14.harddisks n.硬盘15.flashdrives n.闪存盘16.joy-stick n.操纵杆17.scanner n.扫描仪18.monitor n.显示器2023/12/12IT职业英语2Whatisacomputer?Thecomputer,alsocalleda

processor,isaelectronicdevicethatcaninterpretandexecuteprogrammed,commandsforinput,output,computation,andlogicoperations.

2023/12/12IT职业英语3KeyelementsinacomputersystemcomputersystemKeyelementsCPUmemoryinputdevicesoutputdevices中央处理器内存输入设备输出设备storage存储设备2023/12/12IT职业英语4CPUCentralProcessingUnit—中央处理器threemainsections:

controlunitArithmeticandLogicUnit(ALU)memorysection2023/12/12IT职业英语5StorageTemporaryRandom-AccessMemory(RAM)permanentfloppydisksharddisksCDsDVDsTapesflashdrives

2023/12/12IT职业英语6inputDatacanbeenteredtoacomputersystemforprocessing(input)viainputdevice.keyboard(forkeyedinput)microphone(forvoiceandsoundinput)point-and-drawdevice:mousetypicalinputdevice:

joy-stick,digitalcameraandscanner2023/12/12IT职业英语7outputOutputdeviceconvertoutputresultsfromtheCPUintoaformthatcanbeusedbypeople.monitorvideodisplayaudiospeakersprinter2023/12/12IT职业英语8Exercise1Trueorfalse1.()Keyelementsinacomputersystemincludememory,inputdevices,andoutputdevices.2.()Keyboards,mice,inputpens,andprintersareinputdevices.3.()Theinput/outputdevicesarealsocalledperipheraldevices.4.()CPUcanbecalledthekeyelementofacomputer.5.(