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Computer 101: Understanding Basics

Computers are ubiquitous, performing various tasks from grocery checkout to car control. Learn about applications, input, processing, output, storage, and computer communication in this comprehensive introductory guide.

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Computer 101: Understanding Basics

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  1. Computer 101

  2. Intro • Computers are showing up everywhere you look • Computers check out your groceries, pump your gas, dispense money at the ATM, turn the heat on and off, control the way your car runs

  3. Applications • An application is another word for a program running on the computer. • a good application depends on how well it performs the tasks • That involves the user interface

  4. Input • What is Input? • Data is the raw facts given to the computer • Commands are special codes or key words that the user inputs to perform a task, like RUN "ACCOUNTS

  5. Processing • Processingis the thinking that the computer does • The calculations, comparisons, and decisions • People also process data

  6. What is Output? • Output is data that has been processed into useful form, • now called Information

  7. Types of Output • Hard copy: printed on paper or other permanent media • Soft copy: displayed on screen or by other non-permanent means

  8. What is Storage? • Storagerefers to the media and methods used to keep information available for later use • Some things will be needed right away while other won't be needed for extended periods of time.

  9. Computer communication is the transmission of data and information over a communications channel between two computers, which can be several different things. Computer to Computer

  10. On Your Own • Microsoft Windows has a great tutorial on using a computer

  11. Endless Amount of Information • In these lessons you've learned a lot about computers • If you are going to own or be responsible for a computer, • there is a lot more to know.

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