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Computers in society

Xem 1-20 trên 111 kết quả Computers in society
  • The contents of this chapter include all of the following: Developments in microcomputers from 1984 to 2008, computer for individual use, computer for organizations, computers in society.

    ppt58p koxih_kothogmih3 24-08-2020 2 0   Download

  • Chapter 1A - Introducing computer systems. This chapter includes contents: In basic terms, define the word com puter; discuss various ways computers can be categorized; identify six types of computers designed for individual use; identify four types of computers used primarily by organizations; explain the importance of computers in today's society; describe how computers are used in various sectors of our society.

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  • The contents of this chapter include all of the following: In basic terms, define the word computer; discuss various ways computers can be categorized; identify six types of computers designed for individual use; identify four types of computers used primarily by organizations; explain the importance of computers in today's society; describe how computers are used in various sectors of our society.

    ppt55p koxih_kothogmih3 24-08-2020 3 0   Download

  • This lesson examines several categories of alternative input devices and discusses the special uses of each. You may be surprised at how often you see these devices, and you may decide that an alternative device will be your primary means of interacting with your computer.

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  • This lesson introduces you to monitors and sound systems. You will learn about the different types of monitors commonly used with computers and how they work. You also w ill learn some important criteria for judging a monitor's performance. This lesson also shows you how computers can ourput sounds.

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  • This chapter explain why computers use the binary number system, list the two main parts of the CPU and explain how they work together, list the steps that make up a machine cycle, explain the difference between RAM and ROM, list three hardware factors that affect processing speed.

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  • In addition to floppy disks and hard drives, today's computer user can choose from a wide range of storage devices, from “key ring" devices that store hundreds of megabytes to digital video discs, which make it easy to transfer several gigabytes of data. This lesson examines the primary types of storage found in today's personal computers. You'll learn how each type of storage device stores and manages data.

    ppt44p koxih_kothogmih3 24-08-2020 1 0   Download

  • This lesson looks at the processors most commonly found in personal computers and describes some of their most important features and distinguishing characteristics. You w ill learn how these CPUs arc typically differentiated from one another and sec how their performance is measured. You also w ill learn some of the ways you can extend the power of your PC’s processor to other components by using its expansion capabilities.

    ppt44p koxih_kothogmih3 24-08-2020 3 0   Download

  • In this chapter you will learn how these CPUs arc typically differentiated from one another and sec how their performance is measured. You also w ill learn some of the ways you can extend the power of your PC’s processor to other components by using its expansion capabilities.

    ppt41p koxih_kothogmih3 24-08-2020 3 0   Download

  • This lesson looks at the processors most commonly found in personal computers and describes some of their most important features and distinguishing characteristics. You w ill learn how these CPUs arc typically differentiated from one another and sec how their performance is measured. You also w ill learn some of the ways you can extend the power of your PC’s processor to other components by using its expansion capabilities.

    ppt73p koxih_kothogmih3 24-08-2020 1 0   Download

  • In addition to floppy disks and hard drives, today's computer user can choose from a wide range of storage devices, from “key ring" devices that store hundreds of megabytes to digital video discs, which make it easy to transfer several gigabytes of data. This lesson examines the primary types of storage found in today's personal computers. You'll learn how each type of storage device stores and manages data.

    ppt50p koxih_kothogmih3 24-08-2020 1 0   Download

  • This chapter define the term average access time and describe how it is measured, explain why file compression is a factor in drive performance, define the term data transfer rote and describe how it is measured, explain two steps you can take to optimize the performance of your computer’s hard disk, identify four drive interface standards commonly used in PCs.

    ppt45p koxih_kothogmih3 24-08-2020 1 0   Download

  • Computer users have several choices when it comes to operating systems, although the choice is not always easy. The vast majority of new PCs are sold with some version of Windows installed, but many users are choosing to run UNIX or Linux. Apple Macintosh computers and the proprietary Mac OS have a small but important share of the desktop OS market. This lesson is a survey of the primary operating systems used on personal computers and network servers today, describing the basic features of each.

    ppt56p koxih_kothogmih3 24-08-2020 6 0   Download

  • This lesson introduces you to some of the most commonly used types of application software the programs that millions of people use each day to accomplish routine tasks. Although you might think of a computer as being a highly specialized machine, in fact it is most often used for basic, everyday tasks at home, school, and work. By applying computers and application programs to these mundane tasks, people can be more productive, creative, and efficient.

    ppt43p koxih_kothogmih3 24-08-2020 1 0   Download

  • This chapter define the terms bitmap and vector and differentiate these file types, list some of the most commonly used file formats for bitmap and vector Images, identify four ways to load graphic files into a computer, list five types of graphics software and their uses, define the terms multimedia and interactivity.

    ppt49p koxih_kothogmih3 24-08-2020 1 0   Download

  • Even a home computer user can be part of a truly global network. A connection to the Internet makes your home computer one of the millions of nodes on the vast Internet network. You can share files, collaborate, communicate, and conference with people on the other side of the globe. This lesson examines some of the most common ways of transmitting data via networks and the Internet.

    ppt78p koxih_kothogmih3 24-08-2020 6 0   Download

  • This lesson provides an overview of the options for connecting a computer to the Internet. It also shows how the wireless Internet works, and discusses the need for wireless security.

    ppt40p koxih_kothogmih3 24-08-2020 0 0   Download

  • Programs are the building blocks of information systems. When they create software products, programmers follow a process or life cycle - that is similar to the life cycle for entire information systems. The systems development life cycle (SDLC) is detailed in. The similar software development life cycle is discussed in this chapter.

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  • This chapter define the term computer program, describe the use of flowcharts and pseudocode in programming, identify two ways in which a program can work toward a solution, differentiate the two main approaches to computer programming, list and describe three elements of object-oriented programming.

    ppt41p koxih_kothogmih3 24-08-2020 4 0   Download

  • The contents of this chapter include all of the following: Computer program differentiate between machine and assembly languages; identify and discuss the purpose of procedural programming languages, and describe the features of C and COBOL; identify and discuss the characteristics of these object-oriented programming languages and program development tools;...

    ppt51p koxih_kothogmih3 24-08-2020 3 0   Download

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