VT Chapter 12

Question 1

System Development Life Cycle (SDLC)

Answer 1

consists of five phases; traditional model for system development follows the system over time from inception to retirement or replacement

Question 2

stakeholder

Answer 2

someone who has an interest in and will be affected by the successful completion of a project

Question 3

software developer

Answer 3

designs and writes computer programs

Question 4

feasibility study

Answer 4

used to determine whether a project should proceed

Question 5

data flow diagrams (DFDs)

Answer 5

created to show the flow of data through the current system and to highlight the systems deficiencies

Question 6

Joint Application Development (JAD)

Answer 6

involves the end user throughout the design and development of the project through a series of JAD sessions

Question 7

Rapid Application Development (RAD)

Answer 7

iterative process that uses prototyping and user testing of the designs

Question 8

green code

Answer 8

written to be efficient so the program runs on the hardware with minimal impact results in extended battery life

Question 9

The System development cylce consists of what five phases?

Answer 9

Planning, analysis, design, implementation and testing, and maintenance

Question 10

The ________ model is iterative and incremental using two week long increments

Answer 10

Agile Development

Question 11

computer program

Answer 11

sequence of instructions for a computer to follow

Question 12

program development cycle

Answer 12

set of five steps that a programmer follows to create a computer program

Question 13

5 steps of program development cycle

Answer 13

Defining the problem, defining the solution, coding, debugging, testing and documentation

Question 14

Algorithm

Answer 14

set of steps to solve a problem

Question 15

flowchart

Answer 15

graphic view of the algorithm

Question 16

control structures

Answer 16

used to show the logic and the flow of data processing

Question 17

Pseudocode

Answer 17

expresses the steps of an algorithm using english like statements that focus on logic, not syntax

Question 18

Computer programming (coding)

Answer 18

process of converting an algorithm into instructions the computer can understand

Question 19

procedural programming

Answer 19

uses step by step instructions

Question 20

object oriented programming

Answer 20

defines objects and the actions or methods that can be performed on them

Question 21

Syntax rules

Answer 21

define the correct construction of commands in a programming language

Question 22

debugging

Answer 22

process of detecting and fixing errors in a computer program

Question 23

syntax errors

Answer 23

errors in the way the code is written

Question 24

logic error

Answer 24

an error in programming logic that results in an unexpected outcome

Question 25

runtime error

Answer 25

occurs when the program is running and the data or a command that is entered causes it to crash

Question 26

beta testing

Answer 26

tested under actual working conditions

Question 27

first generation language (1GL)

Answer 27

machine language written in binary that execute very quickly but takes a lot of effort to write and debug

Question 28

second generation language (2GL)

Answer 28

assembly language written with statements closer to what humans speak and has to be converted into a machine language before the computer can execute it

Question 29

macros

Answer 29

used to automate tasks in applications such as Word and Excel

Question 30

third generation language (3GL)

Answer 30

most modern programming languages include procedural and object oriented. Example: Java

Question 31

compiler

Answer 31

needed to convert the code into a machine language the computer can read and execute

Question 32

fourth generation language (4GL)

Answer 32

designed to be closer to natural language. example: SQL.

Question 33

fifth generation language (5GL)

Answer 33

system a user can work with without writing code

Question 34

software development kit (SDK)

Answer 34

provided to encourage programmers to develop software using a bundle of libraries and tools developed for a particular platform

Question 35

integrated development environment (IDE)

Answer 35

complete system for developing software consisting of a code editor, compiler, SDKs, debugger

Question 36

server side program

Answer 36

runs on a web server

Question 37

client side program

Answer 37

runs on the client computer

Question 38

fuzzy logic

Answer 38

recognizes that not everything can be broken down to a true or false answer

Question 39

neural network

Answer 39

a system that simulates human thinking by emulating the biological connections (neurons) of the human brain

Question 40

An ________ is a computer programmed to make decisions in real life situations

Answer 40

expert system