CSCI 101

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CSCI 101

• Chapter 4
• Inside the Computer

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Quiz Instructions

• Print your name (first and last) on a blank sheet
  of paper
• Print date and class day and start time
• Ex Mar 15, 2005 Wed 5pm
• Write the question and the answer for each
  question.
• 1. What chapter were you to read today?
• b. 4
• You have 5 minutes

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You know you are living in the year 2006 when 

•  1. Your reason for not staying in touch with
  family is because they do not have e-mail.  2.
  You buy a computer and 3 months later it's out of
  date and sells for half the price you paid. 
• 3. You just tried to enter your password on
  the microwave. 

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Objectives

• 9. Digital representation of information. The
  general concept of information encoding in binary
  form.
• 9.1 Identify and apply the computers method of
  data representation
• 9.2 Add binary numbers
• 9.3 Distinguish between encoding schemes and
  numbering systems and their purpose
• 9.4 Determine the alphanumeric equivalent of an
  ASCII expression
• 9.6 Identify, define and distinguish between
  modulation techniques
• 9.7 Recall common byte measures and what they
  represent. Complete the byte measures chart to
  identify where the byte measures are commonly
  used.

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Objectives

• Computers. Key aspects of a computer.
• Determine the configuration of a computer main
  components available ports and drives, processor
  speed amount and type of memory expansion
  boards and capability, storage capacity
• Recognize and identify components of the
  motherboard and their purpose
• Define cache memory and describe its use
• Identify the types of memory and describe their
  uses
• Describe the purpose and function of a bus in a
  computer system

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Language of Computers

• Electronic Signal
• Binary Digits

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Thinking Aloud Paired Problem Solving (TAPPS)

• Identify three things a computer needs to
  represent using binary digits

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Language of Computers

• Numbering systems

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Converting Binary to Decimal

• Multiply the digit by the place value
• Add to get the decimal number
• 1111 0010

242
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Language of Computers

• Binary addition

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Encoding Schemes

• ASCII
• Unicode
• Downward compatible

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Decode the following - ASCII symbols written as
hex
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How much is a byte?
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Homework

• Quiz at beginning of class
• Complete the previous chart
• For your computer determine
• The processor type
• Processor speed
• Amount of RAM
• Your RAM type (www.crucial.com may help)
• Amount of cache
• Hard Drive Size
• Operating System
• Expansion boards
• Number of expansion slots
• Port types give a fact about each
• Drives installed and number of empty drive bays
• If you cant find a particular piece of
  information state where you tried to find it. If
  you didnt look at least 2 or 3 places/sources
  keep trying.