计算机专业英语Chapter1a_2.ppt

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1、专业英语阅读与交流（专业英语阅读与交流（1）Chapter 1Information Technology,The Internet,and YouOverviewvWhat are the different types of softwarevWhat are the different types of computersvWhat are the different computer hardware componentsReviewvSoftwareSystem enables the application software to interact with the compute

2、rApplication enable the end-user to accomplish tasks or create documentsvTypes of computersSupercomputer most powerful,high-capacity,used by large institutionsMainframe powerful,centralized computingMinicomputers midrange computers mostly used in industrial settingsMicrocomputer PCs,most common,leas

3、t powerfulReviewvHardwareSystem unit basic components of a computer:motherboard,central processing unit(CPU,microprocessor),random access memory(RAM,memory),(video card)Input/Output allows the user to interact with the computer:keyboard,mouse,monitor,printerStorage devices allows long-term storage o

4、f data:hard disk,floppy disks,CD/DVDReviewvDataDocument files created by word processors,primarily used to store texts such as memos and lettersWorksheet files created by electronic spreadsheets,used to analyze and store numerical data such as budgets,accounts,and statisticsDatabase files used to store highly structured and organized data