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what is three-tier client/server?
A client/server architecture in which software systems
are structured into three tiers or layers: the user interface layer, the
business logic layer, and the database layer. Layers may have one or more
components. For exa… Read MoreHTTP status codes
Three-digit codes sent by an HTTP server that indicate
the results of a request for data. Codes beginning with 1 respond to requests
that the client may not have finished sending; with 2, successful requests; with
3, furt… Read More
why need For a relational database?
A database or database management system that stores
information in tables—rows and columns of data—and conducts searches by using
data in specified columns of one table to find additional data in another table.
In a rela… Read MoreWhat is ini file?
ini file:-Short for initialization
file, a text file containing information about the
initial configuration of Windows and Windows-based applications, such as default
settings for fonts, margins, and line spacing. Two ini… Read MoreWhat is data management?
The control of data from acquisition and input through
processing, output, and storage. In microcomputers, hardware manages data by
gathering it, moving it, and following instructions to process it. The operating
system m… Read More.NET Framework
A platform for building, deploying, and running XML Web
services and applications. It provides a highly productive, standards-based,
multilanguage environment for integrating existing investments with next
generation appl… Read MoreWhat is MIME?
Acronym for Multipurpose
Internet Mail Extensions. A protocol widely used on the Internet that
extends the SMTP Simple Mail Transfer Protocol to permit data, such as video,
sound, and binary files, to be transmitted by In… Read MoreWhat is GPS receiver?
A device that includes an antenna, a radio receiver, and
a processor for use with the worldwide GPS -Global Positioning System. A GPS
receiver uses position and time information from four GPS satellites to
calculate preci… Read Morewhat is file fragmentation?
The breaking apart of files as they are stored by the operating system into
small, separate segments on disk. The condition is a natural consequence of
enlarging files and saving them on a crowded disk that no longer conta… Read Morewhat is X Series for Network Communications
A set of recommendations adopted by the International
Telecommunication Union Telecommunication Standardization Sector ITU-T,
formerly the CCITT, and International Organization for Standardization ISO for
standardizing eq… Read MoreWhat is Internet domain?
Internet Domains
In database design and management, the set of valid values for a given
attribute. For example, the domain for the attribute AREA-CODE might be the list
of all valid three-digit numeric telephone are… Read MoreWhat is memory management?
In operating systems for personal computers, procedures for optimizing the use
of RAM (random access memory). These procedures include selectively storing
data, monitoring it carefully, and freeing memory when the data is … Read MoreWhst is Password Authentication Protocol
Acronym for Password Authentication Protocol. A
method for verifying the identity of a user attempting to log on to a
Point-to-Point Protocol (PPP) server. PAP is used if a more rigorous method,
such as the Challenge Hand… Read MoreWhat is markup language?
A set of codes in a text file that instructs a computer
how to format the file on a printer or video display or how to index and link
its contents. Examples of markup languages are Hypertext Markup LanguageHTML
and Extens… Read Morewhiat is fuzzy logic?
A form of logic used in some expert systems and other
artificial-intelligence applications in which variables can have degrees of
truthfulness or falsehood represented by a range of values between 1-true and
0 -fals… Read More