D-Glossary Flashcards
Data
It is a collection of facts and figures which are not in directly usable form.
Database
collection of logically related information in an organized way so that it can be easily accessed, managed and updated.
Data Entry
Direct input of data in the appropriate data fields of a database known as data entry.
Database Management System (DBMS)
collection of various programs. It provides a systematic way to create, retrieve, update and manage data.
Data Processing
Converting data into information, is
called data processing.
Data Redundancy
condition created within a database or data storage technology in which the same piece of data is held in two separate places.
Debugging
methodical process of finding and
reducing the number of bugs, or defects
Degree
number of fields associated with the
database table or relation.
Desktop Publishing (DTP)
combines a personal computer, page layout software and a printer to create publications on small economic scale.
Display Unit
A device with a screen that displays
characters or graphics representing data in a computer memory.
Device Driver
computer program that enables another program, typically, an operating system to
interact with a hardware device.
Dial-up Line
A line through which communication
established.
Digital Computer
A computer that operates with
numbers expressed directly as digits.
Direct Access
capability of the computer equipment to obtain data from a storage device.
Directory
an entity in a file system which contains a group of files and other directories.
Domain Name
A unique name that identifies a particular Website and represents the name of the server where the Web pages reside.
Dots Per lnch (DPI)
measure of the resolution of a printer, scanner or monitor. number of dots in one inch line.
Download
transmitting data from a remote computer on the Internet or other network to one’s own computer.
Drag and Drop In computer graphical user interface
Action of clicking on a virtual object and dragging it to a different location or onto
another virtual object.
DVD
an optical disc storage media format that can be used for data storage including movies with high quality video and sound.
Dynamic RAM DRAM
type of random access memory which stores each bit of data in a separate capacitor.
