Software

Systems software Software is the general term for information that's recorded onto some kind of medium. For example, when you go to the video store and rent or buy a tape or DVD, what you're really getting is the software that's stored on that tape or disk. Your VCR or DVD player are hardware devices that are capable of reading the software from a tape or disk and projecting it onto your TV screen, in the form of a movie.

Applications software   Application software is a term for software created for a specific purpose. Typically it is based on customer requirements but there are classes a general applications here are some examples off applications software                                              Image organizer
Media content creating/editing
3D computer graphics software
Animation software
Graphic art software
Image editing software
Raster graphics editor
Vector graphics editor
Video editing software
Sound editing software
Digital audio editor
Music sequencer

Software utilities    is a kind of system software designed to help analyze, configure, optimize and maintain the computer. A single piece of utility software is usually called a utility or other eamples would be Anti Virus Software, Firewalls.

FIREWALL- A firewall can help prevent hackers or malicious software such as worms from gaining access to your computer through a network or the Internet. A firewall can also stop your computer from sending malicious software to other computers. also means that people cant hack into your personal file to get all your information so they cant steal your identity access your bank account etc. 

Antivirus software- is a computer program that detects prevents and takes action to disarm or remove malicious software programs such as viruses and worms. You can help protect your computer against viruses by using antivirus software such as Microsoft Security Essentials