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flowchart

A diagram that shows step-by-step progression through a procedure or system especially using connecting lines and a set of conventional symbols.

string

A sequence of characters

comparison operator

A symbol that indicates the relationship between two values.

logic error

An error in a program that makes it do something other than what the programmer intended.

Syntax error

An error in a program that makes it impossible to parse — and therefore impossible to interpret. TYPO

runtime error

An error that does not occur until the program has started to execute but that prevents the program from continuing.

++

Increment operator. Increments a value by 1.

%

Modulus divides the first value by second value

iteration structure

The purpose of a loop is to iterate; code required to create a loop is an iteration structure. while/ do while

Arithmetic Operators

The symbols +, -, *, /, %, and ^ used to denote addition, subtraction (or negation), multiplication, division, percentage, and exponentiation in an Excel formula.

while loop

a programming construct used to repeat a set of commands (loop) as long as (while) a boolean condition is true

Algorithm

a step-by-step procedure for solving a problem

psedocode

a way of writing the details of algrothim steps in english using short phrases to describe

expression

any legal combination of symbols that represents a value

Executing

computer runs a program

--

decrease

selection structure

if/ else;allows programmers to specify the conditions under which a statement is executed. one of the three control structures; tells the computer to make a decision before selecting the next instruction to process; also called the decision structure

Concatenation

linking together in a sequence; a chain

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= =

means equal in code

Iteration

repeated interactions with the same partners

sequence structure

sequence of instructions that the computer follows one by one from top to bottom

order of operations

the order in which operations in an expression to be evaluated are carried out. 1. parentheses 2. exponets 3. multiplication and divison 4. addition and subtraction

control structures

the structures that control the flow of a program's logic; also called logic structures; sequence, selection, and repetition

logical thinking

thinking in a step by step manner to solve a problem