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Introduction to Computers http://www.badrinathkadam.wordpress.com Badrinath M. Kadam System and Network Administrator
What is a Computer? <ul><li>How is a  computer  defined? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Ele...
What is a Computer? <ul><li>What is the  information  processing cycle? </li></ul>http://www.badrinathkadam.wordpress.com ...
The Components of a Computer <ul><li>What is an  input device ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><li>...
The Components of a Computer <ul><li>What is an  output device ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><li...
The Components of a Computer <ul><li>What is the  system unit ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><li>...
The Components of a Computer <ul><li>What are two main components on the motherboard? </li></ul>http://www.badrinathkadam....
The Components of a Computer <ul><li>What is storage? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Storag...
The Components of a Computer <ul><li>What is  storage media ? </li></ul>http://www.badrinathkadam.wordpress.com Digital ca...
The Components of a Computer <ul><li>What is a floppy disk? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>...
The Components of a Computer <ul><li>What is a USB flash drive? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul>...
The Components of a Computer <ul><li>What is a hard disk? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Pr...
The Components of a Computer <ul><li>What is a compact disc? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li...
The Components of a Computer <ul><li>What is a  communications device ? </li></ul>http://www.badrinathkadam.wordpress.com ...
Advantages and Disadvantages  of Using Computers <ul><li>What are the advantages of using computers? </li></ul>http://www....
Advantages and Disadvantages  of Using Computers <ul><li>What are the disadvantages of using computers? </li></ul>http://w...
Categories of Computers http://www.badrinathkadam.wordpress.com What are the categories of computers? Personal Computers (...
Personal Computers <ul><li>What are the two most popular series of  personal computers ? </li></ul>http://www.badrinathkad...
Personal Computers <ul><li>What is a  desktop computer ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Des...
Mobile Computers and Mobile Devices <ul><li>What is a  notebook computer ? </li></ul>http://www.badrinathkadam.wordpress.c...
Mobile Computers and Mobile Devices <ul><li>What are  smart phones  and  smart watches ? </li></ul>http://www.badrinathkad...
Servers <ul><li>What types of servers are there? </li></ul>http://www.badrinathkadam.wordpress.com Midrange server   Power...
Embedded Computers <ul><li>What is an  embedded computer ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>A...
Desktop Microcomputer <ul><li>A microcomputer that fits on a desk and runs on power from an electrical wall outlet. </li><...
Laptop Computer <ul><li>A portable, compact computer that can run on an electrical wall outlet or a battery unit. </li></u...
Mainframe Computer <ul><li>Large expensive computer capable of simultaneously processing data for hundreds or thousands of...
MiniComputers <ul><li>Mostly built between 1963 and 1987 </li></ul><ul><li>Smaller and less powerful than a mainframe, typ...
Thank For Listening  Thanks and Regarding ; Badrinath Madanrao Kadam. http://www.badrinathkadam.wordpress.com
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Introduction of computers

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  1. 1. Introduction to Computers http://www.badrinathkadam.wordpress.com Badrinath M. Kadam System and Network Administrator
  2. 2. What is a Computer? <ul><li>How is a computer defined? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Electronic device operating under the control of instructions stored in its own memory </li></ul></ul><ul><ul><ul><li>Produces and stores results </li></ul></ul></ul><ul><ul><ul><li>Processes data into information </li></ul></ul></ul><ul><ul><ul><ul><li>Data that is organized, meaningful, and useful </li></ul></ul></ul></ul><ul><ul><ul><li>Accepts data </li></ul></ul></ul><ul><ul><ul><ul><li>Raw facts, figures, and symbols </li></ul></ul></ul></ul>
  3. 3. What is a Computer? <ul><li>What is the information processing cycle? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Input </li></ul></ul><ul><ul><li>Process </li></ul></ul><ul><ul><li>Output </li></ul></ul><ul><ul><li>Storage </li></ul></ul><ul><ul><li>Communication </li></ul></ul>
  4. 4. The Components of a Computer <ul><li>What is an input device ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><li>Hardware used </li></ul><ul><ul><li>to enter data </li></ul></ul><ul><ul><li>and instructions </li></ul></ul>
  5. 5. The Components of a Computer <ul><li>What is an output device ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><li>Hardware that </li></ul><ul><ul><li>conveys information to one or more people </li></ul></ul>
  6. 6. The Components of a Computer <ul><li>What is the system unit ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><li>Case </li></ul><ul><ul><li>containing </li></ul></ul><ul><ul><li>electronic </li></ul></ul><ul><ul><li>components </li></ul></ul><ul><ul><li>used to process </li></ul></ul><ul><ul><li>data </li></ul></ul>
  7. 7. The Components of a Computer <ul><li>What are two main components on the motherboard? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Central Processing Unit (CPU) </li></ul></ul><ul><ul><ul><li>Also called a processor </li></ul></ul></ul><ul><ul><ul><li>The electronic component that interprets and carries out the basic instructions that operate the computer </li></ul></ul></ul><ul><ul><li>Memory </li></ul></ul><ul><ul><ul><li>Consists of electronic components that store instructions waiting to be executed and data needed by those instructions </li></ul></ul></ul>
  8. 8. The Components of a Computer <ul><li>What is storage? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Storage media </li></ul></ul><ul><ul><ul><ul><li>Physical material on which data, instructions, and information are stored </li></ul></ul></ul></ul><ul><ul><li>Storage device </li></ul></ul><ul><ul><ul><ul><li>Records and retrieves items to and from a storage medium </li></ul></ul></ul></ul><ul><ul><li>Holds data, instructions, and information for future use </li></ul></ul>
  9. 9. The Components of a Computer <ul><li>What is storage media ? </li></ul>http://www.badrinathkadam.wordpress.com Digital cameras Handheld computers <ul><ul><li>Portable, thin memory cards used in: </li></ul></ul>
  10. 10. The Components of a Computer <ul><li>What is a floppy disk? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Thin, circular, flexible disk enclosed in rigid plastic shell </li></ul></ul>
  11. 11. The Components of a Computer <ul><li>What is a USB flash drive? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Provides much greater storage capacity than a floppy disk or Zip ® disk </li></ul></ul><ul><ul><li>Small and lightweight enough to be transported on a keychain or in a pocket </li></ul></ul>
  12. 12. The Components of a Computer <ul><li>What is a hard disk? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Provides greater storage capacity than a floppy disk, Zip disk, or USB flash drive </li></ul></ul><ul><ul><li>Most are housed inside of the system unit </li></ul></ul>
  13. 13. The Components of a Computer <ul><li>What is a compact disc? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Flat, round, portable metal disc </li></ul></ul><ul><ul><ul><li>CD-ROM </li></ul></ul></ul><ul><ul><ul><li>DVD-ROM </li></ul></ul></ul>
  14. 14. The Components of a Computer <ul><li>What is a communications device ? </li></ul>http://www.badrinathkadam.wordpress.com 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
  15. 15. Advantages and Disadvantages of Using Computers <ul><li>What are the advantages of using computers? </li></ul>http://www.badrinathkadam.wordpress.com Storage Communications Speed Reliability Consistency
  16. 16. Advantages and Disadvantages of Using Computers <ul><li>What are the disadvantages of using computers? </li></ul>http://www.badrinathkadam.wordpress.com Violation of Privacy Impact on Environment Impact on Labor Force Health Risks
  17. 17. Categories of Computers http://www.badrinathkadam.wordpress.com What are the categories of computers? Personal Computers (desktop) Mobile Computers and Mobile Devices Midrange Servers Mainframes Supercomputers Embedded Computers
  18. 18. Personal Computers <ul><li>What are the two most popular series of personal computers ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><li>PC and compatibles use the Windows operating system </li></ul><ul><li>Apple Macintosh uses the Macintosh operating system (Mac OS) </li></ul>
  19. 19. Personal Computers <ul><li>What is a desktop computer ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Designed so all of the components fit entirely on or under a desk or table </li></ul></ul>
  20. 20. Mobile Computers and Mobile Devices <ul><li>What is a notebook computer ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>Portable, small enough to fit on your lap </li></ul></ul><ul><ul><li>Also called a laptop computer </li></ul></ul><ul><ul><li>Generally more expensive than a desktop computer </li></ul></ul>
  21. 21. Mobile Computers and Mobile Devices <ul><li>What are smart phones and smart watches ? </li></ul>http://www.badrinathkadam.wordpress.com A smart watch is an Internet-enabled watch that automatically adjusts to time zone changes and stores personal information A smart phone is an Internet-enabled telephone that usually provides PDA capabilities
  22. 22. Servers <ul><li>What types of servers are there? </li></ul>http://www.badrinathkadam.wordpress.com Midrange server Powerful, large computer that supports up to a few thousand computers Mainframe Very powerful, expensive computer that supports thousands of computers Supercomputer The fastest, most powerful, most expensive computer. Used for applications requiring complex mathematical calculations
  23. 23. Embedded Computers <ul><li>What is an embedded computer ? </li></ul>http://www.badrinathkadam.wordpress.com <ul><ul><li>A special-purpose computer that functions as a component in a larger product </li></ul></ul>
  24. 24. Desktop Microcomputer <ul><li>A microcomputer that fits on a desk and runs on power from an electrical wall outlet. </li></ul><ul><li>The CPU can be housed in either a vertical or a horizontal case. </li></ul><ul><li>Has separate components (keyboard, mouse, etc.) that are each plugged into the computer. </li></ul>http://www.badrinathkadam.wordpress.com
  25. 25. Laptop Computer <ul><li>A portable, compact computer that can run on an electrical wall outlet or a battery unit. </li></ul><ul><li>All components (keyboard, mouse, etc.) are in one compact unit. </li></ul><ul><li>Usually more expensive than a comparable desktop. </li></ul><ul><li>Sometimes called a Notebook. </li></ul>http://www.badrinathkadam.wordpress.com
  26. 26. Mainframe Computer <ul><li>Large expensive computer capable of simultaneously processing data for hundreds or thousands of users. </li></ul><ul><li>Used to store, manage, and process large amounts of data that need to be reliable, secure, and centralized. </li></ul><ul><li>Usually housed in a closet sized cabinet. </li></ul>http://www.badrinathkadam.wordpress.com
  27. 27. MiniComputers <ul><li>Mostly built between 1963 and 1987 </li></ul><ul><li>Smaller and less powerful than a mainframe, typically about the size and shape of a wardrobe, mounted in a single tall rack. </li></ul><ul><li>Were often used in applications such as industrial control, permanently assigned to one application. </li></ul><ul><li>These days they have been largely replaced by PCs. </li></ul>http://www.badrinathkadam.wordpress.com
  28. 28. Thank For Listening Thanks and Regarding ; Badrinath Madanrao Kadam. http://www.badrinathkadam.wordpress.com
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