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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