By Norman Stang and Frank Blewett (Auth.)
This introductory textbook publications scholars throughout the necessities of data expertise and desktops as they practice to the company surroundings. The textual content explains the layout and operation of assorted structures and software program, and the way to decide on and use a programming language
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Extra resources for Students' Guide to Business Computing
We shall come back to the question of costs later; any feasibility study for computerization must consider this. For the time being, we want to concentrate on why businesses use computers, before considering why it is not always such a good idea. Why are computers useful for a business? People often think of computers as being devices which can perform very complicated calculations much faster than human beings can. This is certainly true, and businesses often use computers to solve complex mathematical equations in a few seconds, which otherwise might take weeks to solve.
The first three types of software are usually purchased directly from computer dealers or software houses. We assume that you will already have some knowledge of what software is, and how an operating system works. The best-known operating systems are probably MSDOS (on IBM-compatible microcomputers), Microsoft OS/2 on IBM PS/2 microcomputers, and UNIX which runs on a wide range of multi-user systems. Larger computers tend to have their own proprietary operating systems, and often different models of computer from the same manufacturer are incompatible.
Bespoke software is likely to be prohibitively expensive for major applications, but is sometimes a necessary choice for large businesses. Computer (or data processing) departments can include a wide range of skills: systems analysts, programmers, operators, technicians and data preparation staff. Small businesses usually lack such expertise. , date of invoice, amount, date paid, current balance. 4 3 It could save on clerical costs, and provide better management control and better management information.