computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures

computer code, code - (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions

computer program, computer programme, program, programme - (computer science) a sequence of instructions that a computer can interpret and execute; "the program required several hundred lines of code"

call - an instruction that interrupts the program being executed; "Pascal performs calls by simply giving the name of the routine to be executed"

command line - commands that a user types in in order to run an application

link - (computing) an instruction that connects one part of a program or an element on a list to another program or list

macro, macro instruction - a single computer instruction that results in a series of instructions in machine language

system error - an instruction that is either not recognized by an operating system or is in violation of the procedural rules

toggle - any instruction that works first one way and then the other; it turns something on the first time it is used and then turns it off the next time