Storing and processing of Data - samuel-richardson/Sam-Tech-Journal GitHub Wiki

-* Basic component of computer circuitry is a switch

• -any data is processed down to 1s and 0s
• -integers

• -Whole Numbers
  

• -Floating point numbers

• -Numbers with a decimal point
  

• -ints and floats are represented differently within a computer

• -integers are represented in binary
  

• -floats are represented in floating point notation
  

•     -Like scientific notation but uses base 2
  

• • American Standard Code for Information Interchange (ASCII)

• -7-bit format 
  

• -Represents letters, digits, some punctuation and control characters
  

• -support for 95 chars and 1 language
  

• -Unicode

• -Currently covers 100K characters and uses a 32-bit code
  

• -Strings
• -Sequence of characters
• -Arrays

• -sequence of data items
  

• -Boolean(True/False)
• -How might you represent this?

• -Binary containing all zeroes is false
  

• -anything else is false