RAM
It can be defined as Random access memory is a form of computer data storage it allows data to be accessed in any order and its much faster to read from and write to than the other kinds of storage in a computer, its small, both in physical size and its stored in microchips.

CACHE MEMORY
Its a random access memory (RAM) that a computer microprocessor can access more quickly than it can access regular ram, cache small amount of high speed memory usually with a memory cycle time comparable to the time required by the CPU


ROM
read only memory it is a class of storage medium used in a computer and other electronic device, data stored in rom cannot be modified, or can be modified only slowly or with difficulty.



FLASH MEMORY
Is a non-volatile computer storage chip that can be electrically erased and reprogrammed it is primarily used in memory cards USB flash





GRAPHIC CARD
Is an expansion card whose function is to generate output images to a display. most video offer added functions such as accelerated rendering of 3D scenes and 2D graphic.

SOUND CARD
is an internal computer expansion card that facilitates the input and output of audio signal to and from a computer under control of computer program



NETWORK INTERFACE CARD
Is a device that allows computer to be joined together in a LAN, or local area network, it is commonly refered  to as a network adapter and is an expansion card that enables a computer to connect to a network such as a home network or the internet using ethernet cable with a RJ-45 connector


PLUG AND PLAY
Used to describe the characteristics of a computer bus, or device specification, which facilitates the discovery of a hardware component in a system, without the need for physical configuration or use intervention in resolving resource conflicts.

SERIAL PORT
is a serial common physical interface through which info transfer in or on bit at a time


PARALLEL PORT
Is a type of interface found on computers for connecting port, is a parallel communication physicaly interface. and its known as a printer port or centronic port

UNIVERSAL SERIAL BUS PORT
is a specification to establish communication between devices and a host controller usually a personal computer it includes USB2 port as well as the express bus port

                                      GRAPHICAL USER INTERFACE ( GUI )
is a type of user interface that allows users to interact with electronic devices images rather than texts command. the actions are usually performed through direct manipulation of the graphical elements. GUIs can be used in computer, hand-help device such as MP3 players or game devices, GUI represents the information and action available to a user through graphical icons and visual indicatiors.

                                                

                                                     WORD PROCESSOR
is a computer application used for the production which includes editing, formatting or printing any sort of printable material. a word processor enables you to create a document, stor it on a disk, display it on the scren, modifies it by entering commands and characters from the keyboard and print it on printers.


                                                                 SPREADSHEET
is a computer application that simulates a paper, accounting web sheet. it also multiple cell usually in a two dimensional matrix or grid consisting of raws and colums. spreadsheet  are frequently used for financial information because of there ability to re-calculate the entries sheet automatically after a change to a single cell is made.

                                                             DBMS
this is a software that controls the organization storage, petrieval, security and integrity of data in a database, it also accepts request from  application and interacts the operating system, it lets information system be changed more easily without disruption to the existing system

                                                 UTILITY SUITES
this is a type of system designed to help analyze, configure, optimize and maintain the computer. it also allows users to creat text documents, play games, listen to music or surf the net.

                                            WEB AUTHORING
A category of software that enables the user to develope a web site in a desktop publishing format and also to design and creat web site from writing the site underlying code and to managing the site upkeep.

                                    AUDIO EDITING SOFTWARE
Its a full featured professional audio and music editor for windows and MAC OS X it lets you record and edit music, voice and audio recordings.



                                          BITMAP IMAGE

This is a type of memory organization or image file format used to store digital images.

                            DESKTOP PUBLISHING PROGRAM
is a tool for graphic designer and non-designer to creat publication documents on a computer for either large scale publishing or small scale local multifunction peripheral output and distribution.
 

                                              HTML EDITOR
This is a software application for creating web pages it can be written with any text editor, HTML editor offer convenience and added functionality also manage communication with remote web servers via FTP and webDEV
                                                 MULTIMEDIA
Is a media and content that uses a combination of different content form. multimedia combination  includes text, still image, audio. animation, video and interactivity content form.

                                             VECTOR IMAGE
Are collection of individual objects rather than picture elements a vector image can be composed of point connected by lines or nodes