Software

Systems Software


Systems Software are files and programs that make up a computers operating system. Microsoft Windows XP is an example of system software. Compilers, assembers, file management tools, debuggers and system utilities are all part of the system software. This software is installed to your computer and can be updating by running programs such as "Windows Update and "Software Update". Operating system is the most important program that runs on a computer. It is a set of computer programs that manage the hardware and software of computer devices. There are four applications of an operating system which are multi-user, multi-processing, multi-threading, multi-tasking and real time. 

             Applications Software



Application software is certain software created for a certain   purpose. Types of application software are office, educational, bussiness and industrial, communication software, games and specialist. Example of Office is Excel, on this program you can create spreadsheets, charts and graphs to make work more appealling and easier to read. Word Processing allows you to create documents such as informal, formal, short, extended etc. Also communication sofware which is for example web browser and email. On web browser you can search the internet, make blogs, add opinions and comments. Join social networking sites, fill in forms, do shopping. In email you can write letters to friends, family, work colleagues or your boss. You can attach files, images and videos.


Software Utilities

A firewall is a tool or a number of tools made usually to protect networks from unapproved access. Many PC’s operating system has firewall built in to protect against threats from the internet. There are several types of firewall features such as packet filter, application gateway, circuit level gateway and proxy server. Some of the things that firewall can not prevent are e-mail viruses. A firewall can’t see what is inside an email so it can’t protect you from these types of viruses. By using an up-to-date antivirus program and being careful about opening file attachments and clicking links in messages, you should be able to avoid polluting your computer with a virus from nasty e‑mail.

Another form of security is antivirus which is used to prevent, detect and remove malware. This form of antivirus can be bought in any stores that computers can be bought. It comes in the form of a disc were the anti-virus has to be uploaded on to your computer. It will last up to a year and a new one will then need to be installed. It is important that you update it regularly and scan your computer at least once a day. There are a number of Antiviruses available such as Kaspersky, Norton, Bit Defender, Mc Afee, Webroot and many more.