A shared resource is a computer resource made available from one host to other hosts on a computer network. Shareable resources are computer programs, data, storage devices and printers.

Hybrid computers are computers that exhibit features of analog computers and digital computers.
The digital component normally serves as the controller and provides logical and numerical operations, while the analog component often serves as a solver of differential equations and other mathematically complex equations.

An email address identifies an email box to which email messages are delivered.
Note: An email address such as infotech@xyz.comis made up of a local part, an @ symbol, then a case-insensitivedomain part. Although the standard specifies the local part to be case-sensitive, in practice the mail system atexample.commay treat John.Smithas equivalent to john.smithor even as johnsmith, and mail systems often limit their users' choice of name to a subset of the technically valid characters. In some cases they also limit which addresses it is possible to send mail to.

When computers communicate with each other, there needs to be a common set of rules and instructions that each computer follows. A specific set of communication rules is called a protocol. Because of the many ways computers can communicate with each other, there are many different protocols

A firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules.

In telecommunications and computer networks, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium. The aim is to share an expensive resource. For example, in telecommunications, several telephone calls may be carried using one wire.

A term used to describe the act of illegally using, copying or distributing software without ownership or legal rights. The majority of software today is purchased as a one-site license, meaning that only one computer may have that software installed on it at one time.

The shortcut key Ctrl + F is used for opening Find dialog box.

Universal Serial Bus (USB) is an industry standard that defines cables, connectors and communications protocols for connection, communication, and power supply between computers and electronic devices.

In Excel Formulas are equations that can perform calculations, return information, manipulate the contents of other cells, test conditions and more. A formula always starts with an equal sign (=).