A database administrator (DBA) is a person who is responsible for the ecological feature of a database. In universal, these consist of: Data Recovery – making import and export Backups, reliability - Verifying or helping to verify data integrity, Security - Defining and/or implementing access controls to the data , Availability - Ensuring maximum uptime, … Read more

A database administrator (DBA) is a person who is responsible for the ecological feature of a database. In universal, these consist of: Data Recovery – making import and export Backups, reliability - Verifying or helping to verify data integrity, Security - Defining and/or implementing access controls to the data , Availability - Ensuring maximum uptime, … Read more

Computer system is the combination of the input and output devices, Input devices capture the data from the external environment and processor process the data and provide the information of the output devices. Many kinds of input and output devices are available. Input devices are keyboard, mouse, scanner, joystick etc. The mouse was invented in … Read more

To numerous clients the hard disk drive is the mainly significant and up till now the strangest part of a central processing unit system. A hard disk drive is a preserved unit that a PC uses for nonvolatile information storage space. Nonvolatile, or semi-permanent, storage space means that the storage devices keep the data still … Read more

VGA means Video Graphics Array, In PS/2 structure included the main display adapter circuitry onto the main board, and mutually IBM and third-party corporation initiate break up VGA cards to allow other kind of structure to gain from the compensation of VGA. While the IBM Micro Channel (MCA) computers, such as the PS/2 Model 50 … Read more

A network is a collection or group of two or more computers that cleverly share hardware or software strategy with each other. A network can be as small and simple as two computers that share the printer and CD-ROM drive attached to one of them or as large as the world's largest network: the Internet. … Read more