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DDC 1013 Micro Computer Applications

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Presentation on theme: "DDC 1013 Micro Computer Applications"— Presentation transcript:

1 DDC 1013 Micro Computer Applications
REV 00 DDC 1013 Micro Computer Applications Main text: Discovery Computer 2011, Shelly Cashman Vermaat, International Student Edition Microsoft Office Introductory Concept and Technique 2008, Shelly Cashman Vermaat, International Student Edition, Thomson Course Technology DDC 1013 Micro Computer Application

2 DDC 1013 Micro Computer Application
REV 00 CHAPTER 1: Introduction to Computers CHAPTER 2: Internet CHAPTER 3: Windows CHAPTER 4: Word Processing I & II CHAPTER 5: Graphical Presentation I & II CHAPTER 6: Electronic Worksheet I & II CHAPTER 7: Database Management System I & II DDC 1013 Micro Computer Application

3 INTRODUCTION TO COMPUTERS Computer System
REV 00 CHAPTER 1 INTRODUCTION TO COMPUTERS Computer System DDC 1013 Micro Computer Application

4 DDC 1013 Micro Computer Application
REV 00 1.1 Computer Components COMPUTER An electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store the result for future use. Produces and stores results Processes data into information Data that is organized, meaningful, and useful Accepts data Raw facts, figures, and symbols DDC 1013 Micro Computer Application

5 Communications Device
REV 00 1.1 Computer Components A computer contains many electric, electronic, and mechanical components known as hardware Input Device Allows you to enter data and instructions into a computer Output Device Hardware component that conveys information to one or more people System Unit Case that contains the electronic components of the computer that are used to process data Storage Device Holds data, instructions, and information for future use Communications Device Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices DDC 1013 Micro Computer Application

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REV 00 1.2 Data and Information DATA A collection of unprocessed items, which can include text, numbers, images, audio and video INFORMATION Conveys meaning and is useful to one or more people DDC 1013 Micro Computer Application

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REV 00 1.3 System Unit System Unit unit box-like that contains the electronic components of the computer that are used to process data Motherboard A circuit board in the system unit that have TWO main components, PROCESSOR and MEMORY. Processor is the electronic component that interprets and carries out basic instructions that operate the computer Memory consists of electronic components that store instructions waiting to be executed DDC 1013 Micro Computer Application

8 DDC 1013 Micro Computer Application
REV 00 1.4 Secondary Storage STORAGE Holds data, instructions, and information for future use Storage media (also known as secondary storage) Physical material on which data, instructions, and information are stored Storage device Records and retrieves items to and from a storage medium DDC 1013 Micro Computer Application

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REV 00 1.4 Secondary Storage Example of storage media / secondary storage are: USB flash drives Hard disks Optical disks Memory cards DDC 1013 Micro Computer Application

10 DDC 1013 Micro Computer Application
REV 00 1.4 Secondary Storage USB Flash Drive Portable Provides much greater storage capacity than a floppy disk Small and lightweight enough to be transported on a keychain or in a pocket DDC 1013 Micro Computer Application

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REV 00 1.4 Secondary Storage Hard Disk Provides much greater storage capacity than a floppy disk or USB flash drive Most are housed inside the system unit Some are portable hard disks, either external or removable DDC 1013 Micro Computer Application

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REV 00 1.4 Secondary Storage Optical Disc Flat, round, portable metal disc with a plastic coating CD ROM CD RW DVD ROM DVD RW Blu-Ray Discs DDC 1013 Micro Computer Application

13 DDC 1013 Micro Computer Application
REV 00 1.5 Input Device INPUT DEVICES Any hardware component that allows you to enter data or instructions into a computer DDC 1013 Micro Computer Application

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REV 00 1.5 Input Device Five widely used input devices are: Keyboard Mouse Microphone Scanner Web cam DDC 1013 Micro Computer Application

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REV 00 1.5 Input Device Keyboard A computer keyboard contains keys you press to enter data into the computer Mouse With the mouse, you can control movement of a small symbol on the screen, called the pointer, and you make selections from the screen DDC 1013 Micro Computer Application

16 DDC 1013 Micro Computer Application
REV 00 1.5 Input Device Microphone Allows you to speak into the computer Scanner Converts printed material (such as text and pictures) into a form the computer can use Web cam A digital video camera that allows you to create movies or take pictures and store them on the computer instead of on tape or film DDC 1013 Micro Computer Application

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REV 00 1.6 Output Device OUTPUT DEVICES any hardware component that conveys information to one or more people DDC 1013 Micro Computer Application

18 DDC 1013 Micro Computer Application
REV 00 1.6 Output Device Three commonly used output devices are: Printer – produces text and graphics on a physical medium such as paper Monitor – displays text, graphics, and videos on a screen Speaker – allow you to hear music, voice, and other audio (sounds) DDC 1013 Micro Computer Application

19 1.7 Features of a Good Computer
REV 00 1.7 Features of a Good Computer Processor Speed  Reliability  Accuracy  Automation  Diligence  Consistency DDC 1013 Micro Computer Application

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REV 00 1.8 Computer Categories DDC 1013 Micro Computer Application

21 DDC 1013 Micro Computer Application
REV 00 1.8 Computer Categories PERSONAL COMPUTER Can perform all of its input, processing, output, and storage activities by itself Two popular architectures are the PC and the Apple Desktop computer DDC 1013 Micro Computer Application

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REV 00 1.8 Computer Categories MOBILE COMPUTERS AND MOBILE DEVICES DDC 1013 Micro Computer Application

23 DDC 1013 Micro Computer Application
REV 00 1.8 Computer Categories MOBILE COMPUTERS AND MOBILE DEVICES DDC 1013 Micro Computer Application

24 DDC 1013 Micro Computer Application
REV 00 1.8 Computer Categories MOBILE COMPUTERS AND MOBILE DEVICES DDC 1013 Micro Computer Application

25 DDC 1013 Micro Computer Application
REV 00 1.8 Computer Categories GAME CONSOLE A mobile computing device designed for single-player or multiplayer video games DDC 1013 Micro Computer Application

26 DDC 1013 Micro Computer Application
REV 00 1.8 Computer Categories SERVER Controls access to the hardware, software, and other resources on a network Provides a centralized storage area for programs, data, and information DDC 1013 Micro Computer Application

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REV 00 1.8 Computer Categories MAINFRAME A large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously DDC 1013 Micro Computer Application

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REV 00 1.8 Computer Categories SUPERCOMPUTER The fastest, most powerful computer Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second DDC 1013 Micro Computer Application

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REV 00 1.8 Computer Categories EMBEDDED COMPUTER A special-purpose computer that functions as a component in a larger product Consumer Electronics Mobile and digital telephones Digital televisions Cameras Video recorders DVD players and recorders Answering machines Home Automation Devices Thermostats Sprinkling systems Security monitoring systems Appliances Lights Automobiles Antilock brakes Engine control modules Airbag controller Cruise control Process Controllers and Robotics Remote monitoring systems Power monitors Machine controllers Medical devices Computer Devices and Office Machines Keyboards Printers Faxes Copiers DDC 1013 Micro Computer Application

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REV 00 1.8 Computer Categories EMBEDDED COMPUTER DDC 1013 Micro Computer Application

31 DDC 1013 Micro Computer Application
REV 00 1.9 Multimedia MULTIMEDIA Any application that combines text with graphics, animation, audio, video, and/or virtual reality DDC 1013 Micro Computer Application

32 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program System software Consists of the programs that control or maintain the operations of the computer and its devices Two types of system software are: Operating system Utility program DDC 1013 Micro Computer Application

33 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program Operating system A set of programs that coordinates all the activities among computer hardware devices Functions of OS Starting a computer Providing user interface Managing programs Managing memory Scheduling jobs Configuring devices Establishing an Internet connection DDC 1013 Micro Computer Application

34 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program Utility program Allows a user to perform maintenance-type tasks usually related to managing a computer, its devices or its programs The functions for the utility program, include: Managing files Viewing graphic files Uninstalling programs Scanning disks Defragmenting disks Diagnosing problems Backing up files Setting up screen savers DDC 1013 Micro Computer Application

35 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program FILE MANAGER Is a utility that performs functions related to file and disk management Displaying a list of files Organizing files in folders Copying, renaming, deleting, moving, and sorting files and folders Creating shortcuts A shortcut is an icon on the desktop that provides a user with immediate access to a program or file Formatting is the process of preparing the disk for reading and writing DDC 1013 – Micro Computer Application

36 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program IMAGE VIEWER Is a utility that allows users to display and copy the contents of a graphics file With an image viewer, users can see images without having to open them in a paint or image editing program DDC 1013 – Micro Computer Application

37 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program UNINSTALLER Is a utility that removes a program, as well as any associated entries in the system files DDC 1013 – Micro Computer Application

38 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program DISK SCANNER Is a utility that detects and corrects both physical and logical problems on a hard disk or floppy disk and searches for unnecessary files DDC 1013 – Micro Computer Application

39 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program DISK DEFRAGMENTER Is a utility that reorganizes the files and unused space on a computer’s hard disk so the operating system accesses data more quickly and programs run faster DDC 1013 – Micro Computer Application

40 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program DIAGNOSTIC UTILITY Compiles technical information about your computer’s hardware and certain system software programs and then prepares a report outlining any identified problems DDC 1013 – Micro Computer Application

41 1.10 Operating System and Utilities Program
REV 00 1.10 Operating System and Utilities Program BACKUP UTILITY Allows a user to copy, or back up, selected files or an entire hard disk onto another disk or tape Restore program reverses the process and returns backed up files to their original form DDC 1013 – Micro Computer Application

42 DDC 1013 – Micro Computer Application
REV 00 END OF CHAPTER 1 DDC 1013 – Micro Computer Application


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