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About this document
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- 8 pages
- Price
- $8 one-time, yours to keep
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- Format
- Subject
- Computer Science, Programming
This study guide covers basic concepts in computer science, focusing on Scheme/Racket programming language and NetLogo. It explains arithmetic operations, comparison operators, logic connectors, defining variables and functions, conditional statements, and list manipulation. It is useful for students in their first term of an introductory computer science course.
What's inside
- Scheme/Racket arithmetic operations
- Comparison operators and logic connectors
- Defining variables and functions
- Conditional statements with 'if' and 'cond'
- List manipulation and recursive functions
- Basic NetLogo commands
Who it is for: Students taking an introductory course in computer science. (Undergraduate)
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Summary
Scheme and NetLogo are two programming languages. Students learn how to use them with examples and explanations of their basic features.
Scheme Arithmetic and Logic
Scheme uses prefix notation for arithmetic and comparison operations. It has operations for addition, subtraction, multiplication, division, exponentiation, square root, modulus, quotient and absolute value. It also has logic connectors for 'and', 'or', 'not'.
Scheme Variables and Functions
Scheme allows users to define variables and functions. Variables can be created using the 'define' keyword. Functions can be created using either the basic or lambda syntax. Conditional statements can be created using 'if' and 'cond'.
NetLogo Basics
NetLogo has commands for creating and manipulating turtles and the environment. Basic commands include clearing the screen, creating turtles, moving turtles, and drawing. Variables can be created and manipulated in different contexts.
Key terms
- prefix notation
- operations are placed at the beginning of the expression.
- atom
- a basic unit of data in Scheme, such as a number or a symbol.
- list
- a collection of atoms or other lists in Scheme.
- turtle
- an agent in NetLogo that can move around and interact with the environment.
- observer
- the context in NetLogo where global variables and commands are managed.
- context
- the scope in which a variable or command is defined and used.
Questions this document helps with
- What is prefix notation in Scheme?
- How do you create a function in Scheme?
- What are the basic commands for manipulating turtles in NetLogo?
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