AP CSP BJC Unit 1 Vocabulary

sprite

“actor” that can be told to do actions (walk around, speak, etc.)

costume

picture that can be “worn” by a sprite

transparency

how well you can see what’s behind the sprite (ghost effect)

list

ordered sequence of items

string

sequence of characters (letters, numbers, punctuation, etc.)

substring

piece of an existing string (example: “nnah”, “Hannah”, ““ for “Hannah”)

concatenation

connecting smaller strings to make a longer string

debugging

process of testing code, finding issues, and fixing the issues

procedure

named sequence of instructions that may take inputs and may report a value

reporter

oval shape; report a value

command

jigsaw shape; tell the computer to do something

predicate

hexagon shape; reporter that produces a boolean value

expression

constant value, or call to a reporter block including its inputs (single value)

algorithm

sequence of steps, usually performed by a computer

pseudocode

algorithm written in human language, unintelligible by computers

parameter

input name set in the block definition (example: number of branches)

argument

input value, given each time the block is run (example: 6)

iteration

repeating program structure

personally identifiable information (PII)

information that can let others figure out who you are and possibly get more information about you

infinite loop

when a program keeps running forever

code segment

sequence of connected instructions that carry out a purposeful action

conditional

controls code based on a condition

composition

using the result of one reporter as the input to another reporter

abstraction

using a procedure to help write code

selection

determining which code segment to run based on a condition

sequencing

process of ordering code