Flashcards

FMJC.C6

FMJC. Inglês 9 flashcards

Flashcards do conjunto (9)

1Difference between declarative language and procedural languageDeclarative
States what is required
Procedural
Describe how to solve the problem
2Describe the features of a procedural high level languageImperative language
Uses sequence,selection & iteration
Program states what to do
....and how to do it
Program statements are in blocks
Each block is a procedure or function
Logic of program is given as series of procedure calls
3UML Diagrams contain elements such asActivities
Actors
Business processes
Database schemas
Logical components
Programming language statements
Reusable software components
4Explain why a UML diagram is usedIt is a standard way to present information
..and to illustrate the design of a system
..visually easy to understand
It allows systems analysts, programmers and clients to communicate
Makes system maintenance easier
...when modifying a system
5Explain the term inheritanceA class that has all attributes and methods of its superclass
...and may have attributes and
methods of its own
6What is an objectIt is an instance of a class
...real world entity
Holds attributes and methods
7What is a classIt is a template in which objects
...are created from
They have their own state/behaviour
8Explain the term backtrackingAfter finding a solution to a goal
...goes back and follows an alternate path
..to attempt to find another solution
9Explain the term instantationGiving a variable a value