Презентация на тему Reasons for Choosing Languages

& Development
Reasons for Choosing Programming Languages

use different programming languages

Produce a brochure in order to

describe each reason providing an example of programming languages and their use

programming language (U6 P2)

of features and tools
Availability of trained staff
Reliability
Development and maintenance

cost
Expandability

organisational policy as to what computer hardware and software

is to be used

For example, a company might have a policy to use only Microsoft software because of the level of support that may be provided by such a large software vendor

Another company might have chosen to use Apple Macintosh machines, while another might have a policy to use open-source software such as Linux

questions have to be answered when deciding on the

suitability of a programming language:-
Will it work on the platform being used in the company?
Does it have appropriate features to suit the type of applications that have to be written?

Some programming languages have been specifically designed for particular types of applications

the programmers who work for a particular company may

already be skilled in using a particular language so that language may be the natural choice

For a project where staff need to be recruited to complete the programming, it should prove easier to recruit staff for a popular language rather than a less widely used one. So, this may also be a factor to be considered when deciding which language to use

which help to make the programs more reliable and

less likely to crash

The best example of this is the Ada language – it was designed from the outset to include features which make it reliable

Ada is often used for safety-critical systems such as the fly-by-wire control system of the Boeing 777 aircraft

programs is an important consideration when embarking on a

software development project

Some languages have a reputation for cutting development costs by making it quick and easy to develop and maintain (update) programs

For example, in the 1980s, report program generator (RPG) was specifically designed to allow the speedy creation of reports

even thousands of simultaneous users
Programs written for interactive websites

may need to support a very large number of users without crashing
Some languages expand or scale better than others and have features which support large systems

influence the choice of programming language.