MTA Software Development Fundamentals.docx

Life Cycle Of Building Software / Application Life Cycle Management (ALM): - correct answer - Planning - Designing - Developing - Testing - Maintenance What is a StoryBoard? - correct answer Flow of an application ALM process is iterative - correct answer TRUE What is UML? - correct answer UML Stands for : Unified Modeling Language - A way to create visual models of the different components of an application. Planning - correct answer - Gathering Requirments - How i want the application to work -Product Owner - Requirement docs Design - correct answer - Software Arcitect - The software design -Program manager -Strory Boards -Mock ups Development - correct answer - Coding - Technical Specification - Way to dictate how to creat the app - Data Sctructures Test - correct answer - Unit test is during the development process - User acceptance testing is important Maintain - correct answer - Recodrding info - How does the app operate? - Fixing bugs when they come up - Upgrade the app Computers deal with ______ information - correct answer Binary Variables - correct answer provides a temporary named storage location in computer memory. x = 3 ; x = Variable Constant - correct answer Either a named storage location or Literal Value. Cannot be changed during program execution. x = 3 ; constant is 3 Difference between Bits and Bytes - correct answer Bits (0,1) Bytes (0-255) a single byte is 8 bits Data Types: - correct answer Byte = 0-255 (a single byte is 8 bits) Char = Any unicode character Short = -32,768 to 32,767 (+ / -) Int = -2,147,483,648 to 2,147,483,647 (+ / -) Long = Even Longer signed (+ / -) integer values Float = decimals, + / - (7 digits) Double = decimals, + / - Bigger (15-16 digits) Decimal = (20-29 digits) String = String of characters (words, sentences..) Boolean = True or False (1 or 0) Why are Data Structures used: - correct answer If you want to store a list of multiple data types What are the Data Structures: - correct answer - Arrays - Stacks - Queues - Dictionaries Arrays: - correct answer - collection of similar data types - Accessed by INDEX Index: Value: 0 Item1 1 Item2 2 Item3 ... Stack - correct answer A collection of objects, accessed by pop and push. Push into the stack and pop the bottom one Queue - correct answer A collection of objects, accessed by queuing and dequeuing. Similar to a line at the motor vehicle license branch. Enqueue - - - - Dequeuing Dictionary - correct answer A collection of objects that are accessed by using a key. Key: Value: Key1 First Item Key2 Second Item Key3 Third Item .... Decision Making - correct answer if, if-else, if-else-if switch or Select Case Repetition - correct answer for loops while loops do-while loops recursion Program errors - correct answer - syntax errors