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| keyboards and mice-data or facts entering the computer system |
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| organizing, checking or performing mathematical operations-cpu performs these tasks |
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| printer, monitor or other device to view, interpret or use results |
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| magnetic disks, tapes, compact media or flash media to hold information for later retrieval |
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| four major operations of hardware and software |
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| input, processing, output and storage |
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application software-word-processing programs, spreadsheets, payroll and inventory programs
system software-operating systems |
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| Visual Basic, C#, C++, Java or COBOL |
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| software used to translate the specific programming language into the computer's on/off circuitry language |
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| machine language represented as a series of two values -0's and 1's |
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| language translation software that converts a programmers statements to binary form-entire program translated before it can execute |
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| language translation software that converts a programmers statements to binary form-each instruction translated just prior to execution |
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| also called scripting programming languages or script languages-Python, Lua, Perl and PHP-stored as text rather than binary exectuable files |
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| instructions to the computer in a specific sequence, not leaving out or adding extraneous instructions |
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| volatile-contents lost every time the computer loses power |
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understanding the problem
planning the logic
coding the program
using software to translate the program into machine language, testing the language and putting the program into production |
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| #1-understanding the problem |
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| also refered to as "developing an algorithm" -description of what the user needs-one of the most difficult aspects of programming |
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| plan the steps of the program, deciding what steps to include and how to order them-using flowcharts or pseudocode |
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| a program development tool that delineates input, processing and output tasks |
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| a program development tool that lists tasks, objects and events |
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| sequence of steps neccesary to solve any problem |
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| process of walking through a prigram's logic on paer before actually writting the program |
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| writting the program in one of more than 400 programming languages |
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| rules of a language-each command being spelled properly and all of the punctuation getting into the right spots |
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| writing the statements of a program in programming language |
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| #4-Using software to translate the program into machine language |
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| a translator program to use (a compiler or inerpreter) that changes the english-like high-level programming language to low-level machine language that the computer understands-such as Java or Visual Basic |
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| error in language or grammer-a programming language statement written incorrectly and the translator program doesnt know what to do and issues an eror message-a misuse of a languages grammer rules |
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| execute a program with sample data to see whether the results are logically correct |
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| an error that occurs when incorrect instructins are performed, or when instructions are performed in the wrong order |
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| #6-putting the program into production |
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| the entire set of actions an organization must take to switch over to using a new program |
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| a message displayed asking the user for a response |
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| location you type entries to communicate with the computers operating system using text |
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| GUI(gooey)-allows users to interact with a program in a graphical enivronment |
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| characters, field, records, files and database |
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| pictorial representation of the logical steps it takes to solve a problem |
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| (false-code)english-like represntative of the logical steps it takes to solve a problem |
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| input and output symbols for flowchart |
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| processing symbol for flowchart |
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| arrows to show proper sequence of statements for flowchart |
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| race-track or lozenge-start/stop symbols |
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| named memory locations, whose content can vary or differ over time i.e.inputNumber and calculatedAnswers |
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| a variable name, also refered to as mnemonic-makes it easier to reference a memory address |
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| format of variable names with a hump in the middle-case sensitive i.e inputNumber, beginning with lower case letter |
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| the first letter of a variable name is uppercase as in HourlyWage or InterestRate |
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| a repeating flow of logic with no end |
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| to tes a value resulting in a true or false outcome |
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| diamond-representing a decision(making a) |
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| a preselected value that stops the execution of a program-it doesnt represent real data, but just a signal to stop |
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| represents an entry or exit point |
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| an end-of-data file marker, short for end of file |
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circle-on-page symbol to continue a flowchart in an unconnected location
square with a pointed bottom-as an off-page connector symbol
using letters or numbers to match to another |
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| a statement that stores the result of any calculation performed on its right side to the named location on its left side |
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| =,always requires the name of a memory location on its left side("lets")-also "gets" or "recieves" i.e. calculatedAnswer gets(or recieves) inputNumber * 2 |
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| represents multiplication |
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| named memory location, similar to a variable, except its value never changes during the execution of the program |
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| all capitol letters to identify a named constant |
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| rules that dictate the order the operations in the same statement are carried out-* and division are carried out before + and -, unless allowed () to over ride |
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| aka literal numeric constant-a specific numeric value that does not change |
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| aka string constant-specific text value-a constant enclosed with quotation marks |
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| describes the kind of values the variable can hold and the types of operations that can be performed with it |
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| can have mathematical operations performed on it; it can hold digits, and usually hold a decimal point and a sign indicating positive or negative |
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| aka string variable-a variable that holds character or text values i.e alphabet letters and other special characters such as punctuation marks |
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| reserved for a single character such as A and string or text variables is refers to data that is made up of one or more characters such as Andrea |
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| a statement that names a variable and tells the computer which type of data to expect |
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| a whole number, numeric value |
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| a fractional, numeric value that contains a decimal point |
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| predicted the development of software in 1843 |
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| proposed the basis for most modern software in 1935 |
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| programming technique focuses on the procedures that programmers create-focuses on the actions that are carried out |
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| object-oriented programming |
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| programming technique focuses on objects, or "things" and describes their features, or attributes, and their behaviors |
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| occurs when a correct word is used in an incorrect context |
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