Chapter01 introduction to computing
- 2. Chapter 1 Objectives Recognize the importance of computer literacy Recognize the importance of computer literacy Define the term, computerDefine the term, computer Identify the components of a computer Identify the components of a computer Discuss the advantages and disadvantages of using computers Discuss the advantages and disadvantages of using computers Recognize the purpose of a networkRecognize the purpose of a network Discuss the uses of the Internet and World Wide Web Discuss the uses of the Internet and World Wide Web Distinguish between system software and application software Distinguish between system software and application software Describe the categories of computersDescribe the categories of computers Identify the elements of an information system Identify the elements of an information system Describe the various types of computer users Describe the various types of computer users Discuss various computer applications in society Discuss various computer applications in society Next
- 3. The Components of a Computer What is an input device? p. 7 Fig. 1-3 Hardware used to enter data and instructions Next Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Input Devices below Chapter 1
- 4. The Components of a Computer What is an output device? p. 7 - 8 Fig. 1-3 Hardware that conveys information to one or more people Next Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Output Devices below Chapter 1
- 5. The Components of a Computer What is the system unit? p. 7 - 8 Fig. 1-3 Next Case that contains the electronic components of the computer that are used to process data
- 6. The Components of a Computer What are two main components on the motherboard? p. 8 ProcessorProcessor Also called a Central Processing Unit (CPU) The electronic component that interprets and carries out the basic instructions that operate the computer Next MemoryMemory Consists of electronic components that store instructions waiting to be executed and data needed by those instructions
- 7. The Components of a Computer What is storage? p. 8 Storage mediaStorage media Physical material on which data, instructions, and information are stored Storage mediaStorage media Physical material on which data, instructions, and information are stored Storage deviceStorage device Records and retrieves items to and from storage media Storage deviceStorage device Records and retrieves items to and from storage media Next Holds data, instructions, and information for future use
- 8. The Components of a Computer What is a USB flash drive? p. 8 Next Portable storage device Small and lightweight enough to be transported on a keychain or in a pocket The average USB flash drive can hold about 2 billion characters Portable storage device Small and lightweight enough to be transported on a keychain or in a pocket The average USB flash drive can hold about 2 billion characters
- 9. The Components of a Computer What is a hard disk? p. 8 Fig. 1-4 Next Provides greater storage capacity than a USB flash drive Most are housed inside the system unit
- 10. The Components of a Computer What is a compact disc? p. 9 Fig. 1-5 Next Flat, round, portable metal disc CD DVD
- 11. The Components of a Computer What is a communications device? Nextp. 9 Hardware component that enables a computer to send and receive data, instructions, and information Hardware component that enables a computer to send and receive data, instructions, and information Occurs over cables, telephone lines, cellular radio networks, satellites, and other transmission media Occurs over cables, telephone lines, cellular radio networks, satellites, and other transmission media Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Communications Devices below Chapter 1
- 12. Impact on Labor Force Advantages and Disadvantages of Using Computers p. 10 - 11 What are the disadvantages of using computers? Next Violation of Privacy Health Risks Public Safety Impact on Environment
- 13. Networks and the Internet What is a network? p. 11 Next Collection of computers and devices connected together, often wirelessly Used to shareUsed to share ResourcesResources Hardware devices Hardware devices Software programs Software programs DataData Saves time and money Saves time and money InformationInformation
- 14. Networks and the Internet What is a server? p. 11 Fig. 1-6 Next A server controls access to resources on a network Clients, or workstations, request resources from the server
- 15. Networks and the Internet What is the Internet? p. 12 Fig. 1-7 Next Worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Internet below Chapter 1
- 16. Networks and the Internet What is the Web? p. 12 - 14 A Web site is a collection of related Web pages A Web site is a collection of related Web pages A Web page contains text, graphics, audio, video, and links to other Web pages A Web page contains text, graphics, audio, video, and links to other Web pages You can share information on a social networking Web site or a photo sharing community You can share information on a social networking Web site or a photo sharing community Next Billions of documents, called Web pages, available to anyone connected to the Internet A blog consists of time- stamped articles in a journal format A blog consists of time- stamped articles in a journal format A podcast is recorded audio stored on a Web site that can be downloaded A podcast is recorded audio stored on a Web site that can be downloaded Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Sharing Videos below Chapter 1
- 17. Computer Software What is a programmer? p. 18 Fig. 1-13 Next Someone who develops software Programmer writes the instructions to direct the computer to process data into information JavaScript Web application
- 18. Summary of Introduction to Computers Basic computer conceptsBasic computer concepts The term, computerThe term, computer The components of a computerThe components of a computer The advantages and disadvantages of using computers The advantages and disadvantages of using computers The purpose of a networkThe purpose of a network The uses of the InternetThe uses of the Internet Computer softwareComputer software Categories of computersCategories of computers Types of computer usersTypes of computer users Computer applications in societyComputer applications in society Chapter 1 Complete