What is virus for the stnad V = vital I = information R = resources U= under S= seize Why are computer viruses? Computer viruses exist for various reasons, but they are primarily created by individuals or groups with malicious intent. These malicious entities may create viruses to gain unauthorized access to computer systems, steal sensitive information, disrupt computer networks, or cause other types of harm. What are the 4 types of viruses in computer? Direct Action Virus. Boot Sector Virus. Multipartite Virus. Overwrite Virus. Polymorphic Virus. What was the first computer virus? Brain, the first PC virus, began infecting 5.2" floppy disks in 1986. As Securelist reports, it was the work of two brothers, Basit and Amjad Farooq Alvi, who ran a computer store in Pakistan. Who is father of computer virus? von Neumann In his essay von Neumann described how a computer program could be designed to reproduce itself. Von Neumann's design for a self-reproducing computer progr...
Explain different phases in development of business intelligence system. Answer: Phases in the development of Business Intelligence System: Analysis :
During the first phase, the needs of the organization relative to the development
of a business intelligence system should be carefully identified.
This preliminary phase is generally conducted through a series of interviews of
knowledge workers performing different roles and activities within the
organization. It is necessary to clearly describe the general objectives and
priorities of the project, as well as to set out the costs and benefits deriving from
the development of the business intelligence system.
Design :
The second phase includes two sub-phases and is aimed at deriving a provisional
plan of the overall architecture, taking into account any development in the near
future and the evolution of the system in the mid-term. First, it is necessary to
make an assessment of the existing information infrastructure...
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