Unit2.1 task3 P3

The purpose of different software utilities. 

Software utilities are a system software that is to help configure, analyze and maintain the computer. 

Firewalls.

A firewall is a program that filters information coming to your computer from the internet connection. If the information is bad for your computer it gets flagged by the firewalls filters and it gets stopped from coming into your computer. Firewalls can also control what information goes from your computer to the internet connection. For example stopping someone from going on certain websites. Most firewalls also have a reporting system that lets you know if your network is getting broke into and who is trying to do it. 

Clean up tools for removal of cookies.

Cookies include information of what websites have got about you and gets kept on your computer as small files. A lot of these files are harmless but some of the contain information about you that is personal. This could include where you have been, what you done and any personal information that you have  put on the site. To prevent this from happening you could clear your browsing data on the network you are on. This stops websites taking any information about you. 



Defragmentation. 

Defragmentation is when you put files back in the right place. To do this you organize them so they are closer to the beginning of the hard drive and this improves the files start and read time. In the process of moving the files defragmentation reduces the amount of fragmentation. Fragmentation is the storing of a file in different places of memory in a hard disk. Defragmentation usually improves retrieval time and also the computer whole performance. 


Drive formatting.

There are essentially two forms of drive formatting. These are low-level formatting and high-level formatting. Low-level formatting is basically the layout of the drive to the computer. This helps the computer to keep track of the saved data. High-level formatting is an operation that takes place when a hard drive is formatted. It creates an empty file structure on the hard drive. This lets the computer know the drive is empty which makes it ready for more data. Drive formatting is basically the preparation of the hard drive for initial use and can also create one/more file added file systems.