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Computer Basics:
 Hardware: CPU, GPU, Storage (e.g. HDD), Memory, Motherboard, Input/Output devices 
     ? Draw a simplified view of a computer system showing the above commponents
     ? What is machine instruction?
     ? What are bit and byte?

 Software: Operating system, drivers, applications, compilers, etc
     ? why do we have programing languages?
     ? What does is it mean to say Java is a "portable" language?
     ? What is JVM? How does it help to make java portable?


Back to Java:
  what is a type?
  what is a  primitive type?
  primitive types in Java?
  what is type promotion?
  what is casting?
  what is a variable?
  What is declaration?
  What is initialization?
  what is an “assignment statement”?

Prepare for Lab1: review JFrames.