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Database is a system intended to organize, store, and retrieve large amounts of data easily. It consists of an organized collection of data for one or more uses, typically in digital form. One way of classifying databases involves the type of their contents, for example: bibliographic, document-text, statistical. Digital databases are managed using database management systems, which storedatabase contents, allowing data creation and maintenance, and search and other access.
array type is a data type that is meant to describe a collection of elements (values or variables), each selected by one or more indices that can be computed at run time by the program. Such a collection is usually called an array variable, array value, or simply array.[1] By analogy with the mathematical concepts ofvector and matrix, an array type with one or two indices is often called a vector type or matrix type, respectively.
String is, essentially, a sequence of characters. A string is generally understood as a data type storing a sequence of data values, usually bytes, in which elements usually stand for characters according to a character encoding, which differentiates it from the more general arraydata type. In this context, the terms binary string and byte string are used to suggest strings in which the stored data does not (necessarily) represent text.
Hardware is made up of multiple physical components of computer hardware, upon which can be installed a system software called operating system and a multitude of software applications to perform the operator's desired functions.Freeware (from "free" and "software") is computer software that is available for use at no cost or for an optional fee.[1] This is in contrast to commercial software, which is typically sold for profit. The term does not imply that the software is free and open source software (FOSS). Freeware is loosely defined category, which includes cost-free proprietary software and even FOSS. Advertising-supportedsoftware and even malicious software is sometimes advertised as freeware. Terms of use for a freeware are usually defined in a specific software license which may be very different for every single software.
server computer is a computer, or series of computers, that link other computers or electronic devices together. They often provide essential services across a network, either to privateusers inside a large organization or to public users via the internet. For example, when you enter a query in a search engine, the query is sent from your computer over the internet to the servers that store all the relevant web pages. The results are sent back by the server to your computer.
network host is a computer connected to a computer network. A network host may offer information resources,services, and applications to users or other nodes on the network. A network host is a network node that is assigned a network layer host address.
A modem (modulator-demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The goal is to produce a signal that can be transmittedeasily and decoded to reproduce the original digital data. Modems can be used over any means of transmitting analog signals, from driven diodes to radio.
Peer-to-peer (P2P) computing or networking is a distributed application architecture that partitions tasks or work loads between peers. Peers are equally privileged, equipotent participants in the application. They are said to form apeer-to-peer network of nodes.
Cisco Systems, Inc. is an American-based multinational corporation that designs and sells consumer electronics, networking, voice, and communications technology and services. Headquartered in San Jose, California, Cisco has more than 65,000 employees and annual revenue of US$40.0 billion as of 2010. The stock was added to the Dow Jones Industrial Average on June 8, 2009, and...