Please study the 20 vocabulary terms below. Then press the Mark Complete button to continue.
- argument
- a value passed to a function when it is called
- array
- a data structure such as a variable that holds other variables in a particular order; for example: $a = ($b, $c, $d)
- callback
- code that is passed as an argument to other code
- for loop
- a sequence of instructions set to be repeated a specified amount of times until a condition is met
- function
- a named sequence of procedural code statements that perform a certain task
- global scope
- usable anywhere in a program
- goto statement
- an instruction in older procedural programming languages that specifies that the instruction execution is to jump to a specified location, normally a line numbe
- if else statement
- a decision making process wherein a block of code may or may not be executed based on pre-existing condition
- local scope
- usable only in a limited section of program text such as a function
- operand
- a value from which an operator derives another value
- operator
- a symbol that represents an arithmetical calculation
- parameter
- a variable specified inside a function or subroutine definition which may be set by the code which calls it
- procedure
- a series of programming steps beginning in a specific place and ending in a specific place that brings about a certain desired outcome
- regex (regular expression)
- a string that describes or matches a set of strings, according to certain syntax rules
- statement
- a sentence of code in a programming language, usually ending with a semi-colon
- string
- a series of letters and/or numbers
- subroutine
- an independent block of code separate from the main program, which performs a specific task necessary to the program
- switch
- a block of code or function causing a program to change its default behavior
- variable
- a symbol used to represent data which can be changed while the program is running
- while loop
- a sequence of instructions set to continue until a certain expression is false
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Value1 and value2 are both arguments in the expression sum(value1, value2).
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The programmer decided to store all her variables in an array, so she could loop through them and perform a callback function.
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Programmers use callbacks in tedious situations such as asynchronous programming or running an array of values through a function designed to take a string.
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The student programmed the for loop to run until the value of "x" was greater or equal to 100.
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The CS student spent all night working on a function to compute the average rainfall in Alaska.
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The veteran programmer said using global scope variables is easier but sometimes less secure.
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The professor said that using goto statements is considered bad practice with the possible exception of breaking out of nested loops.
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The professor told us the heart of the program logic was simply a long line of if/else statements.
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For security reasons the bank password variable had a local scope and was confined to a single function.
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"2" and "1" are examples of an operand in the equation "2 + 1 = 3".
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The plus sign (+) is the operator in the mathematical expression "1 + 3 = 4".
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The program returned a fatal error because a required parameter was missing.
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It took the programmer a week to code the required procedure but it fulfilled its purpose well for many years.
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Search engines use regular expressions to match many kinds of similar words, even misspelled ones.
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A computer program is simply a collection of valid statements which provide a result.
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The teacher asked us to type a search string into the Google text box and press "enter".
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The Pascal software program was buggy due to an incorrectly performing subroutine.
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The programmer preferred using a switch statement to many if/else statements.
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Without variables, programs would not be able to accept user input.
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The while loop continued until the value of "x" was greater than "y".