Software Introduction


- Software is a set of instructions, designed to perform a function such as an application or a game.

Types of Software

1. Licenced
a. Individual copy – Software which is licenced to run on one computer.

b. Site Licence - Used when purchasing software for single site usages but with multiple users.

c. Network Licence – Allowed on sites but with a number of certain seats.

2. Open Source - Denoting software for which the original source code is made freely available and may be redistributed and modified.

3. Shareware - software that is available free of charge and often distributed informally for evaluation, after which a fee may be requested for continued use.

4. Trialware – Software which is available free of charge but after a set time you have to pay to continue using it (usually 30 days). Often includes less than the paid version.

5. Freeware - software that is available free of charge.

6. Pirateware – Usually software that has been illegally
downloaded “torrented” which should be paid for but isn’t.


a. Word processor - A word processor is a software application that enables a personal computer user to create, format, edit, save and retrieve documents. The documents may contain text, numbers, graphics, photographs or a combination of two or more of these formats. The processor may be installed on a desktop or laptop computer or be part of both operating system software programs.

b. Spreadsheet – A spreadsheet, also known as a worksheet, contains rows and columns and is used to record and compare numerical or financial data. Originally, they only existed in paper format, but now they are most likely created and maintained through a software program that displays the numerical information in rows and columns. Spreadsheets can be used in any area or field that works with numbers and are commonly found in the accounting, budgeting, sales forecasting, financial analysis, and scientific fields.

c. Database - A database is a collection of information that is organized so that it can easily be accessed, managed, and updated.

d. Presentation - Presentation software is a category of application program used to create sequences of words and pictures that tell a story or help support a speech or public presentation of information.

Specialist Systems

a. Financial Accounts - Accounting software is application software that records and processes accounting transactions within functional modules such as accounts payable, accounts receivable, payroll, and trial balance

b. Personnel – This is when you keep track of people’s records, e.g. DOB, criminal, etc.

c. Medical records – These are records to keep track of a person’s health. It is used in any place of care, hospitals, care home, etc.

d. Medical diagnostic – is diagnosis in the field of medicine, that is, the determination (by software) of which disease or condition is causing a person's signs and symptoms.


a. Web browsers - A web browser is a software application for retrieving, presenting and traversing information resources on the World Wide Web.

b. HTML editors - is a computer program for editing HTML, the mark-up of a webpage.

c. Email - is a method of exchanging digital messages from an author to one or more recipients.

d. Blogs - a personal website or web page on which an individual records opinions, links to other sites, etc. on a regular basis.

e. Wiki - a website or database developed collaboratively by a community of users, allowing any user to add and edit content.


a. Photo edit – software which you can use to edit your photos with, resize etc. E.g. Photoshop.

b. Drawing – software where you can draw and animate (can be used with a stylus). Makes vector files, they can be resized without pixel compromise.

c. Desk top publishing – different from word processing (has text in the background) whereas an application like Publisher, everything is in frames, means you can move everything around.

d. Paint – Allows user to make bitmapped files.


a. PC games – games which are played on a computer rather than a conventional console.

b. Online games – games which are played on the internet over a network. Normally you need a PC but you can get online games for phones, tablets etc.

c. Virtual Realities - SecondLife & Open Sim – games which are computer based real life stimulation environments. You are usually in some form of an avatar, and you are able to roam free.

d. MMORPGs - World of Warcraft - an online role-playing video game in which a very large number of people participate simultaneously.

Computer Model 3