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COP2220 Ch3

Computer Science I Chapter 3 Terms

QuestionAnswer
additive expression in C, the binary addition and subtraction expressions
assignment expression an expression containing the assignment operator (=) that results in the value of the expression being placed into the left operand
associativity the parsing direction used to evaluate an expression when all operators have an equal priority
binary expression any expression containing one operator and two operands
block in C, a group of statements enclosed in braces {...}
cast a C operator that changes the type of an expression
compound statement a sequence of statements enclosed in braces
demotion an implicit type conversion in which the rank of an expression is temporarily reduced to match other elements of the expression
explicit type conversion the conversion of a value from one type to another through the cast operator, contrast with implicit type conversion
expression a sequence of operators and operands that reduces the a single value
expression statement an expression terminated by a semicolon
implicit type conversion the automatic conversion of data from one type to another when required within a C program
KISS in this text: keep it short and simple
left-to-right associativity the evaluation of an expression that parses from the left to the right
multiplicative expression an expression that contains a multiply, divide or modulus operator
operand an object in a statement on which an operation is performed
operator the syntactical token representing an action on data (the operand)
postfix expression an expression in which the operator follows the operand
precedence the priority assigned to an operator or group of operators that determines the order in which operators will be evaluated in an expression
primary expression an expression consisting of only a single operator, contrast with post-test loop
promotion an implicit type conversion in which the rank of an expression is temporarily increased to match other elements of the expression
right-to-left associativity the evaluation of an expression that parses from the right to the left
side effect a change in a variable that results from the evaluation of an expression; any input/output performed by a called function
unary expression an expression that consists of one operator and one operand
user prompts monitor messages to a user that request the user input one or more values
Created by: Cmduncan88