专业英语答案1 79页.pptVIP

第1课 1 The most essential part of an information system. People 7 Coordinates computer resources. Operating System 10 Modifies signals for processing. Modem 12 Data that has been processed by the computer. Information 13 Unprocessed facts. Data 14 Notebook computer that accepts handwritten input.. Tablet PC 2 Uses computers to become more productive. End User 3 Rules or guidelines to follow when using software, hardware, and data. Procedures 4 Created by word processors. Document Files 5 Specialized programs that allow input and output devices to communicate. Device Drivers 6 Created by database management programs. Database Files 8 The physical equipment of a microcomputer. Hardware 9 The world’s largest computer network. Internet 13 Provides step-by-step instructions to the computer. Software 选择题 1 B 2 B 3 A 4 B 5 D 6 D 7 A 8 C 9 D 10 D E F I H A C G B D J Explain the five parts of an information system. What part do people play in this system? People. Procedures. Software. Hardware. Data. People are surely the most important part of any information system. Our lives are touched every day by computers and information systems. What is system software? What kinds of programs are included in system software? System software enables the application software to interact with the computer hardware. System software is “background” software that helps the computer manage its own internal resources. It consists of operating systems, utilities, and device drivers. Define and compare basic and specialized application software. Describe some different types of basic applications. Describe some types of specialized applications. Basic applications, or general-purpose applications, are widely used in nearly all career areas. They are the kinds of programs you have to know to be considered computer competent. Specialized applications, also known as special-purpose applications, include thousands of other programs that are more narrowly focused on specific d