A single piece of utility software is usually called a _________.

____________understands the features of the product and convinces customers to buy.

_____________produces computing devices.

Who teaches computer science as a subject?

_____________creates operating systems for various computers.

The professional who inputs data using specific word processing packages.

________________maintains and repairs computers at the client's promises.

_____________creates websites for companies,using,graphics,animation etc to make them interesting.

The largest computer manufacturer in the world is ___________

________is a collection of programs.