Chapter 11 Business and Technology.ppt.ppt

11 CHAPTER 11 Business and Technology 11-1 Computer Systems 11-2 Business Applications of Technology 11-3 Other Technology Issues LESSON 11-1Computer Systems Goals Identify the main elements of a computer system. Describe input devices and processing activities. Explain computer storage media and output types. Key Terms computer system hardware software computer network central processing unit (CPU) program computer language operating system software application software ELEMENTS OF A COMPUTER SYSTEM Input - used to put information into the computer Processing - the brain/guts - where the thinking happens in a computer. Memory and storage - operating memory - HD Storage - USB Output - ways to see what the computer has done with the information - monitor/printer are good examples. COMPUTER NETWORKS Global computer network (Internet) For accessing the World Wide Web For exchanging e-mail Local computer network (intranet) Functions like a typical Web site Used to share information within an organization C H E C K P O I N T List the four main elements of a computer system. INPUT AND PROCESSING Input: getting started - different forms of input - keyboard, mouse, controllers, touch-sensitive screens, light pens, scanners, voice activated systems. Processing: making things happen Word processing Desktop publishing Database software Spreadsheet software Presentation software C H E C K P O I N T What are common input devices? MEMORY AND OUTPUT Memory and storage: saving for later Internal storage - HD - Size - bit, nibble, byte, kilobyte, megabyte, gigabyte, terabyte External storage - external HD’s, Cd’s, DVD’s, USB drives Output: obtaining results Text - processed results displayed on screen or printed Graphics - logos, photos, drawings, scrolling messages, and animated graphics Audio - music, broadcast clips, clips for training, Video - training films, TV, commercial or news reports Websites will contain more than one of these categories. C H E C K P O I N T How do