1、专业英语阅读与交流（1）,Chapter 1 Information Technology, The Internet, and You,Overview,What are the different types of softwareWhat are the different types of computersWhat are the different computer hardware components,Review,Software System enables the application software to interact with the computer App
2、lication enable the end-user to accomplish tasks or create documents Types of computers Supercomputer most powerful, high-capacity, used by large institutions Mainframe powerful, centralized computing Minicomputers midrange computers mostly used in industrial settings Microcomputer PCs, most common,
3、 least powerful,Review,Hardware System 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, printer Storage devices allow
4、s long-term storage of data: hard disk, floppy disks, CD/DVD,Review,Data Document files created by word processors, primarily used to store texts such as memos and letters Worksheet files created by electronic spreadsheets, used to analyze and store numerical data such as budgets, accounts, and statistics Database files used to store highly structured and organized data,
