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Terms in this set (33)
a programming or scripting language is a method of communicating instructions to a computer.
is a programming language that is designed to program within a particulaer application domain.
the main components of programming
scripting languages are the different types of data formulars,data structures and objects that are supported.
use an integrated deveolpment enviroment that has many rebuild programming objects that are easy to use.
can be considerd boxes in the computers memory where each box has a name that can be used to stor and retrive data.
integer data types
is used to represent whole numbers of diffrent formats used to reprasent integer data.
variable of constant holds a single letter number or symbol
are sequences of characters
can have onley two values: true or false such values are usely sorted as a 00000001 000000000
include fractions or decimal parts, they are split into two parts the mantissa and the exponent
is the number of digets that can be sorted e.g. 1.23456789 has more precicion then 1.234 and as a consequence is more accurate.
data and time data
is not recorded as the actualdata such as 4:39 om on many 1938 or 09/05/1938
is a collection od the same type of data and can be column or a two dimensional table, or have no more dimencions
all languages have syntax or grammer composed of rules that specify the why the feature of the language can be used
this is an instruction that assings values to memory locations
returnes a calculated value that can be assined to varible or used in another expression or statement
preform specific operations of various types of data formats
are special structures used to control the processing path way followd through the various parts of the program
selection of branching
instructions to execute one part of a program rather than another is often achived by the user chossing to press a buttion or prform an action by using a mouse
otherewise called repitition or looping executed statements repedaply
should include a referance to the sype of data that is stored in the file
divide the software into modules or pages and show the data and infomation flow between them and their priority
software design tools
are imput-process-output (IPO) charts that describe the input, processing and out-put; annotated screen/page layouts diagrams.
divided the softwere into modules or pages, and show the data and infomation flow between them and their priority.
detail the content of each page or screen of a program
describe in detail the data and infomation used in the application. lists are needed for data stored files, as well as for data stored in variables internal to the program
is a set of well-defined instructions for accomplishing a task from a specific starting point
occurs during the development of the application, using specially designed and constructed test data.
must be desinged to check all possible processing pathways through the program
involves working through the program step by step.
is the way the document or screen is set out; for exsample, portait or landscape, and position of the buttons.
is a commonly understood way or rule of presenting infomation and objects
consist of tracking variables testing each module and stepping through code.
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