U5 L1: Variables

Unit 5: Programming in AP Pseudocode | Created on October 26th

sequencing

one of the 3 basic logic structures in any computer language where all instructions are performed in order and executed one at a time (top to bottom)

selection

one of the 3 basic logic structures in any computer language that uses a boolean condition to determine or select whether to not to run a certain block of statements

ex: if, else statements

iteration

one of the 3 basic logic structures in any computer language where a block of code repeats to achieve or get closer to a desired goal

numbers

made up of digits 0-9

can be decimals or whole #’s

can be + or -

no quotes (“_“)

strings

made up of any character

a string of characters tgt make up words or sentences

the string of characters are inside double quotes

booleans

have 2 options: true or false

no quotes

creating a number

x ← 10

myMoney ← 3.5

value ← -6.78

creating a string

word ← “Hello”

sentence ← “This is fun!”

creating a boolean

flag ← true

otherValue ← false

variable(s)

a way for the computer to store and use data in the program but can only hold one value

standard operators (in programming languages)

addition, subtraction, multiplication, division

new operators

modulus (mod) and logical

the + sign is the only operator that can be used with ___

strings (+ sign)

concatenation

when the + sign comes between 2 stings (or a sting and #) it will push them tgt to for a longer string