计算机基础英文版.ppt
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1、 Chapter 1 Introduction and OverviewInstructorMaster of Science,University of Bradford, Software Engineering Teaching Assistant, Heilongjiang University, College of Information Science and technology Office 1-208About this Course120 minutes per lectureEvery lecture week from 1 to 14 2-100 Lab 3E , N
2、o. 1 blockEvery lecture week from 1 to 14What we will coverComponents of computerOperating systemInternet Word 2003 Excel 2003 PowerPoint 2003 GradingWorkaday Assignments 70% Basic Knowledge of Computer 25% Microsoft Office 45% Final Exam 30% All deadlines are hard! No exceptions!Welcome to Computer
3、 Anatomy LabCourse Goals: What is computer and what does it do? What are components of a computer?Computer AnatomyComputer AnatomyKey wordsuOperate uProcessuStorageuPortuInstructionDefinition of Computer A computer is an electronic machine, operating under the control of instructions stores in its o
4、wn memory, which can accept data (input), manipulate the data according to specified rules (processing), produce results (output), and store the results for future use (storage). The Components of a ComputerThe Components of a ComputerOutput ProcessingStorage Input Devices: Translate words, sounds,
5、images, and actions that people understand into symbols that the system unit can process.Input devices How many kinds of input devices have you used?Input devicesKeyboard : one of the most common ways to input data is by keyboard.Escape Key: Typically cancel a selection or a procedure.FUNCTION KEYSN
6、UMERIC KEYBOARDWindows KeySpacebarNavigation KEYSInput devicesMouse: The mouse move the cursor on the screen.Single-click an item to select it; double-click to perform an actionSingle-clicking on an object typically displays a shortcut menu of options.Input devicesFloppy disk A floppy disk is used t
7、o transfer small amount of data. They are called “floppy” because they are used to be large and floppy. Today floppy disk are small and enclosed in an plastic cases. They are about three and half inches and often called 3” floppies, they hold 1.44 MB (mega byte) of data. Input devicesRemovable Disk:
8、Input DevicesSome Other Input DevicesTouch screenOptical ScannersBar code readerDigital camerasMicrophoneThe Components of a ComputerInputProcessingStorage Output Devices: Translate symbols processed by the system unit into words, sounds images, and actions that people understandOutput Devices How m
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