A computer virus is a small software program that can spread from one computer system to another and cause interferences with computer operations.
A LAN (local area network) is a group of computers and network devices connected together, usually within the same building. …
A WAN connects several LANs, and may be limited to an enterprise (a corporation or an organization) or accessible to the public.
— Computer CPU
A word processor is an electronic device or computer software application that performs the task of composing, editing, formatting, and printing of documents.
— Quick Sort on a Single Column using Sort & Filter or Hot Keys
— Sort on Multiple ColumnsSort by Dates or Times
— To Protect Files From Loss Or Corruption
— To Make Data Easily Accessible When Required.
— Data dictionary management
— Data storage management
— Data transformation and presentation
— Generally third-party software used to detect incoming viruses from email and other internet, intranet activity. Virus checking software may also be able to cleanse the system of a virus.
— Includes authorisation rules at the operating system or network operating system level. This is typically the first level of authorisation and includes passwords, user groups and access privileges.