Primary storage faster
Secondary storage moving part. Data written from memory to disk. Inexpensive, not volatile.
Slow read times in milliseconds.
Database management system efficient storage, logical view for data, transaction management
Area = width*height
H = 120
W = 53.33
a = calcArea(w,h)
expression something that generates a value. A literal, variable is an expression.
Logical expression value, behaves like keyword. Generate
Class Blueprint that can design any object. Object is built from the plans/specifications of a
Constructer Builds objects. Code involves class name and some parameters.
<var> = <class-name>(<param1>, <param2>, ) ex: p = point(50,50)
Key: 24 (3+24) % 26 key + alphabet number starting at A=0. Take remainder of that 26.
Mma = max(0,min(a,2.375)
Methods = functions bound to a specific object
Download graphics.py from Zelle site Import graphics