Download - Office 2003 Introductory Concepts and Techniques M i c r o s o f t Introduction to Computers
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Office 2003Introductory Concepts
and Techniques
M i c r o s o f t
Introduction to Computers
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2Essential Introduction to Computers
Objectives
• Define the term computer and discuss the four basic computer operations: input, processing, output, and storage
• Define data and information• Explain the principal components of the
computer and their use• Describe the use of floppy disks, hard disks, and
other storage media• Discuss computer software and explain the
difference between system software and application software
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3Essential Introduction to Computers
Objectives
• Identify several types of personal computer application software
• Discuss computer communications channels and equipment and the Internet and World Wide Web
• Explain how to purchase, install, and maintain a personal computer
• Define e-commerce
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4Essential Introduction to Computers
What Is a Computer?
• A computer is an electronic device, operating under the control of instructions stored in its own memory unit, that can accept data (input), manipulate the data according to specified rules (process), produce information (output) from the processing, and store the results for future use.
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5Essential Introduction to Computers
What Are the Components of a Computer? Central
Processing Unit
The BrainThe Brain
Monitor
Printer
Mouse
Key Board
Scanner
Floppy DriveHard DriveZip DriveCD/DVD DriveTape Drive Flash Drive
RAM Random Access Memory
Pentium, CeleronAthlon
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6Essential Introduction to Computers
Input Devices
• Any hardware component that allows you to enter data, programs, commands, and user responses into a computer
• Input Device Examples– Keyboard– Mouse
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7Essential Introduction to Computers
Processors and Memory
• The processor, also called the central processing unit (CPU), interprets and carries out the basic instructions that operate a computer. Also referred to as the BRAIN.
• The control unit interprets the instructions• The arithmetic/logic unit performs the logical and
arithmetic processes• Memory, also called random access memory, or RAM,
consists of electronic components that store data, instructions, and information, as needed by the processor
• The motherboard, or system board, is the main circuit board in the computer to which many electronic components are attached
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8Essential Introduction to Computers
Processors and Memory
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9Essential Introduction to Computers
Output Devices
• Output devices make the information resulting from processing available for use
• Output Device Examples– Printers
• Impact• Nonimpact
– Display Devices• CRT• LCD
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10Essential Introduction to Computers
Storage Devices
• Used to store instructions, data, and information when they are not being used in memory
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11Essential Introduction to Computers
Storage Devices
• A Zip disk is a type of portable magnetic media that can store up to 750MB of data
• A hard disk consists of one or more rigid metal platters coated with a metal oxide material that allows data to be recorded magnetically
• An optical disc is a storage medium that consists of a flat, round, portable, metal storage medium
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12Essential Introduction to Computers
Storage Devices
• Tape is a magnetically coated ribbon of plastic housed in a tape cartridge capable of storing large amounts of data and information at a low cost
• Miniature storage media is rewritable media usually in the form of a flash memory card
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13Essential Introduction to Computers
Communications Devices
• A communications device is a hardware component that enables a computer to send and receive data, instructions, and information to and from one or more computers
• Communications occur over transmission media, such as cables, telephone lines, cellular radio networks, and satellites
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14Essential Introduction to Computers
Computer Software
• System softwareSystem software consists of programs used to control the operations of computer equipment
• Instructions in the operating system tell the computer how to perform the functions of loading, storing, and executing an application program and how to transfer data
• When a computer is turned on, the operating system is loaded into the computer’s memory from auxiliary storage, a process called booting
• Most computers use an operating system that has a graphical user interface (GUI)
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15Essential Introduction to Computers
Computer Software UNIXDOSWindows 98Windows 2000Windows xp
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16Essential Introduction to Computers
Computer Software
• Application software consists of programs that tell a computer how to produce information– Word processing software– Spreadsheet software– Database software– Presentation Graphics software
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17Essential Introduction to Computers
Computer Software
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18Essential Introduction to Computers
Networks and the Internet
• A network is a collection of computers and devices connected via communications media and devices
• A local area network (LAN) connects computers in a limited geographic area
• A wide area network (WAN) covers a large geographical area
• A Municipal Area Network (MAN) covers a city
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19Essential Introduction to Computers
Networks and the Internet
Local Area Network (LAN) Wide Area Network (WAN)
Peer to Peer (P2P) Client / Server
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20Essential Introduction to Computers
The Internet
• The world’s largest networkworld’s largest network is the Internet
• Most users connect to the Internet in one of two ways:– Internet service provider (ISP)– Online service provider
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21Essential Introduction to Computers
The World Wide Web
• One of the more popular segments of the Internet is the World Wide Web, also called the Web.
• A Web page is a document that contains text, graphics, sound, and/or video and has built-in connections, or hyperlinks to other Web documents A Web site is a related collection of Web pages (HTML)
• You access and view Web pages (http\\:) using a software program called a Web browser such as Internet Explorer
• A Web page has a unique address, called a Uniform Resource Locator (URL)
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22Essential Introduction to Computers
The World Wide Web
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23Essential Introduction to Computers
Electronic Commerce
• When you conduct business activities online, you are participating in electronic commerce, also known as e-commerce
• Business to consumer (B2C) involves the sale of goods to the general public
• Consumer to consumer (C2C) involves one consumer selling directly to another
• Business to business (B2B) provides goods and services to other businesses
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24Essential Introduction to Computers
How to Install a Computer
• Read the installation manuals before you start to install your equipment
• Do some additional research• Set up your computer in a well-designed
work area and remain aware of health issues as you work
• Install your computer in a work space where you can control the temperature and humidity
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25Essential Introduction to Computers
How to Install a Computer
• Set up your work space near an available electrical outlet and set aside a proper location for the electrical wires
• Have a telephone outlet and telephone or cable connection near your work space, so you can connect your modem and/or place calls while using your computer
• If you plan to set up a wireless network, choose an area that is free from potential signal interference
• Install bookshelves
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26Essential Introduction to Computers
How to Install a Computer
• Obtain a computer tool set
• Save all the paperwork that comes with your computer
• Record the serial numbers of all your equipment and software
• Complete and mail your equipment and software registration cards or register online
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27Essential Introduction to Computers
How to Install a Computer
• Keep the shipping containers and packing materials for all your equipment
• Identify device connectors
• Keep your computer area clean
• Check your home or renter’s insurance policy
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28Essential Introduction to Computers
How to Maintain Your Computer
• Start a notebook or file using a simple outline that includes information about your computer
• Before you work inside your computer, turn off the power and disconnect the equipment from the power source
• Keep the area surrounding your computer dirt and dust free
• Back up important files and data
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29Essential Introduction to Computers
How to Maintain Your Computer
• Protect your computer from viruses
• Keep your computer tuned
• Learn to use diagnostic tools
• Conserve energy whenever possible
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30Essential Introduction to Computers
Summary
• Define the term computer and discuss the four basic computer operations: input, processing, output, and storage
• Define data and information• Explain the principal components of the
computer and their use• Describe the use of floppy disks, hard disks, and
other storage media• Discuss computer software and explain the
difference between system software and application software
![Page 31: Office 2003 Introductory Concepts and Techniques M i c r o s o f t Introduction to Computers](https://reader036.vdocuments.us/reader036/viewer/2022062714/56649cfa5503460f949ccc9e/html5/thumbnails/31.jpg)
31Essential Introduction to Computers
Summary
• Identify several types of personal computer application software
• Discuss computer communications channels and equipment and the Internet and World Wide Web
• Explain how to purchase, install, and maintain a personal computer
• Define e-commerce
![Page 32: Office 2003 Introductory Concepts and Techniques M i c r o s o f t Introduction to Computers](https://reader036.vdocuments.us/reader036/viewer/2022062714/56649cfa5503460f949ccc9e/html5/thumbnails/32.jpg)
Office 2003Introductory Concepts
and Techniques
M i c r o s o f t
Introduction to Computers
Complete