It is a public high-speed network capable of voice and data transmission  within a range of about 50 miles(80km).

It is a solid state drive technology that stores data like a typical hard drive found in most PCs, but uses no moving parts

An operating system is designed to deal with input, output, and processing requests from many users.

Web pages have the extension:

A device that analyzes the contents of data packets transmitted within a network or to another network

A software utility that detects, prevents, and removes viruses, worms, and other malware from a computer

It covers a large geographical area and usually consist of several smaller networks, which might use different computer platforms and network technologies.

In a database structured according to the relational model, all data elements are placed in such tables, called relations, which are the logical equivalent of files.

The tables in these databases organize data in rows and columns, simplifying data access and manipulation

The structure of the relationships in most databases follows one of three logical models

The primary purpose of application software is

A computer that provides services to clients and controls access to hardware and software

In this type of topology all the computers are connected to a single hub through a cable