Science does not see virus as forms of life. They are forms that cannot resemble a living cell, although they conatin a Nucleic acid, and are surrounded by an envelop made of proteins. Still, the process to replicate of a DNA in a Virus requieres the presence of host cells, therefore scientists dont see enough properties that living organisms posses in order to locate them in a kingdom of living organisms
The software components are known as "system files". These files are responsible for breaking down the many tasks at hand for the computer and making sure each one is completed in the proper order.