Computer Science Principles Unit PB

boolean visual programming text-based programming logic error syntax error run-time error overflow error variables assignment operator data types string integer float typecasting concatenation logical operators relational operators module (library) API while loop definite loop indefinite loop range() function function parameter

logic error

a mistake in the algorithm or program that causes it to behave incorrectly or unexpectedly

syntax error

a mistake in the program where the rules of the programming language are not followed

run-time error

a mistake in the program that occurs during the execution of a program

overflow error

an error that occurs when a computer attempts to handle a number that is outside of the defined range of values

string

an ordered sequence of characters

substring

a part of an existing string

string concatenation

joins together two or more strings end-to-end to make a new string

procedural abstraction

provides a name for a process and allows a programmer to use a procedure knowing what it does, but not necessarily how it does it

application program interface (API)

Specifications for how the procedures in a library behave and can be used

data abstraction

provides a separation between the abstract properties of a data type and the concrete details of its representation

modularity

the subdivision of a computer program into separate subprograms