Computing Fundamentals Lesson 01

Computing Fundamentals Lesson 01 - IC3BASICS,Internetand

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IC 3  BASICS, Internet and  Computing Core Certification Computing Fundamentals Lesson 1 What Is a Computer?
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What Is a Computer? - Lesson 1 2 Objectives Define a computer. Identify how computers are used in our  daily lives. Compare the types of computers. List the parts of a computer system. Explain how the Internet, the World Wide  Web, E-mail, and networks affect the use  of computers.
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What Is a Computer? - Lesson 1 3 What Is a Computer? A computer is an electronic device that Receives data. Processes the data it receives. Stores the data in memory or on some  storage device such as a disk or CD. Produces a result.
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What Is a Computer? - Lesson 1 4 The Processing Cycle of a  Computer This  figure  shows  the  typical  processing  cycle  of  a  computer.  Once  it  receives a set of data, the computer processes it and produces a result at the  end of the cycle.
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What Is a Computer? - Lesson 1 5 What Does a Computer Do? As complex as some computers may be, they  all essentially perform only three operations: Arithmetic operations, such as addition, subtraction,  and so on. Logical operations, such as comparing two values  and taking some action based on the result of the  comparison. Storage and retrieval operations, such as writing  data to disk and getting it back when it is needed  again.
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What Is a Computer? - Lesson 1 6 Why Are Computers Popular? Although computers only perform the basic  operations discussed on the last slide, they Perform those functions very quickly. Produce accurate and reliable results. Store large amounts of data. Provide versatility through various applications. Provide cost-effective applications. Are becoming more powerful and easier to use.
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What Is a Computer? - Lesson 1 7 How Are Computers Used? Computers have changed everyone’s lives and are used  every day for Banking: Online banking is very popular. Shopping: Millions of people use the Internet and dial- up sites every day to purchase goods and services. Homework: Students have instant access to  tremendous research and information resources via the  Internet. Managing businesses: Computers are used to track 
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This note was uploaded on 04/05/2012 for the course IMS 101 taught by Professor Novak during the Fall '11 term at Moraine Valley Community College.

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Computing Fundamentals Lesson 01 - IC3BASICS,Internetand

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