Unit 2 Abstraction Vocabulary

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24 Terms

1

lists

an ordered collection of data or items, which can be of different types (although they usually aren’t)

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2

strings

an ordered list of characters

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3

prototype

a simulation of how a real software product will look, work, and feel

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4

expression

a combination of values, variables, and operators that evaluate to a single value

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5

parameter

input to a procedure of function that is named when you define the procedure or function

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6

argument

a value passed into the procedure of function when it’s called, AKA the “input name”

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7

iteration

the process of repeating a set of instructions or steps multiple times

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8

procedure

a group of programming instructions

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9

boolean

a variable that returns true or false

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10

abstraction

to package something complicated into a simply named case under a name that sums up all of its parts

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11

infinite loop

a loop that continues forever or until it is forced to stop

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12

modulus

the remainder when one number is divided by another

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13

code segment

sections of a computer program that contain a set of instructions to be executed

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14

operators

symbols used in programming languages to compare two values and determine their relationship

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15

readability

the ease with which a reader can understand a written text

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16

traverse

the process of accessing each element in a data structure one by one, usually for performing an operation on them

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17

index

the position/location at which an individual element is stores within a data structure, such as an array

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18

element

an individual value stored within a data structure

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19

sublist

a list used as an item of another list

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20

data abstraction

the process of creating a data type, usually a class, that hides the details of the data representation in order to make the data type easier to work with

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21

selection

a decision or question

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22

conditional

statements that allow the execution of different blocks of code based on certain criteria

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23

nested conditional

an if or if else statement inside another if else statement

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24

return statement

ends the execution of a function, and returns control to the calling function

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