Flashcards
Computer Exam Revision
Cards in this deck (18)
- 1ObjectIdentifiable entity with some characteristics or properties and behaviour.
- 2EncapsulationThe wrapping of variables and functions into a single unit called class.
- 3Data AbstractionRepresenting or using an object without getting into the background details or explanation. Hides details of an object.
- 4PolymorphismOne of the three main principles of OOP which allows more than one method to have the same name allowing different tasks to be performed in different situations.
- 5JVMA virtual processor which sits on top of the computer's existing processor and hides the operating system from JAVA applications.
- 6POP|OOPFocus on procedures or functions. Emphasis on procedure, but these are not closely bound to the data.
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Focus on data. OOP combines data and functions into a single unit called class. - 7Communication by objectsCommunicate by sending messages to each other. Messages are passed as arguments to methods.
- 8ASCII FullformAmerican Standard Code for Information Interchange
- 9ASCII|Unicode1 Byte/8 bit character set with 256 characters.
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2 Byte character set with 65536 characters. - 10ASCII for a-z97-122
- 11ASCII for A-Z65-90
- 12MethodGroup of statements stored under a name.
- 13BehaviourThe code which acts on the variables define the behaviour of an object.
- 14InterpretorIt is a type of translator which converts source code to machine code line by line.
- 15VariableName location in memory used to store value of a particular type.
- 16SeperatorsCharacters which define the structure of a program.
- 17Bitwise operatorsOperators which act on individual bits of binary value.
- 18Dynamic InitializationA variable declaration which initialises a variable with a value or reference to another variable or