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Say what types of data are integrated in multimedia applications.





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There are such types of data: text, hypertext, images, video, animation, audio, interactivity in multimedia applications.

 

23. What is the potential of using multimedia?

Multimedia applications are used in all sorts of fields. For example, some museums, banks and estate agents have information kiosks that use multimedia. Companies produce training programmers on optical disks, and marketing managers use presentation packages (e.g. Microsoft PowerPoint) to make business presentations. Teachers use multimedia programs to make video projects or to teach subjects such as music and languages. They have all found that moving images, sound and music involve viewers emotionally as well as inform them, and make their messages more memorable. The power of multimedia resides in hypertext and hypermedia. If you click on a hypertext word, you jump to another screen with more information about that subject. Hypermedia is similar, but also works with sound, graphics and video.

 

24. What is programming?

Programming is the process by which a set of instructions is produced for a computer to make it perform a specified task. The task can be anything from the solution to a mathematical problem to the production of a graphics package.

 

25. What programming languages are you aware of?

FORTRAN, COBOL, ALGOL, PL/I, PASCAL, BASIC, C, C++, PERL, VISUAL BASIC.

FORTRAN is an acronym for FORmula TRANslation. This language is used for solving scientific and mathematical problems.

COBOL is an acronym for Common Business-Oriented Language. This language is used for commercial purposes.

ALGOL is an acronym for ALGOrithmic Language. Originally called IAL, which means International Algebraic Language. It is used for mathematical and scientific purposes.

PL/I stands for Programming Language I. Developed to combine features of COBOL and ALGOL. Consequently, it’s used for data processing as well as scientific applications.

BASIC is an acronym for Beginner’s All-purpose Symbolic Instruction Code.Developed for using by students who require a simple language to begin programming.

C was developed to support UNIX OS. C is a highly portable general-purpose language.

C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language. It is regarded as an intermediate-level language, as it comprises a combination of both high-level and low-level language features.

PERL is designed to make the easy job easy, without making the hard jobs impossible.

VISUAL BASIC is an event driven programming language.It’s derived heavily from BASIC and enables rapid applications development of GUI applications, access to database using DAO (Data-Access Objects).

 

26. What is the difference between low-level and high-level languages?

The most basic difference is that the statements in a low level language can be directly mapped to processor instructions, while a single statement in a high level language may execute dozens of instructions.

Low level refers to the fact that this is a machine language, binary in form, generally meaning one low level command = one executed instruction.

The complexity arises when we need to enable a programmer to designate one high level instruction that performs several or many machine (low level) operations.

 

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