ict revision

1) In general, a document (noun) is a record or the capturing of some event or thing so that the information will not be lost. Usually, a document is written, but a document can also be made with pictures and sound. A document usually adheres to some convention based on similar or previous documents or specified requirements. Examples of documents are sales invoices, wills and deeds, newspaper issues, individual newspaper stories, oral history recordings, executive orders, and product specifications.

Version Control: Version control is used to manage multiple versions of computer files and programs. A version control system, or VCS, provides two primary data management capabilities. It allows users to 1) lock files so they can only be edited by one person at a time, and 2) track changes to files.Locked: restrict access to the full functionality or data of (a computer, mobile phone, file, etc.), especially by requiring a user to verify their identity with a passcode or other form of authentication.

·         Electronic mail (e-mail)

Messages distributed by electronic means from one computer user to one or more recipients via a network.

·         Instant messaging (chat)

Send (someone) an instant message

·         Newsgroup

A forum on the Usenet service for the discussion of a particular topic

·         Social networking

The use of…