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Ans-1: (i) SWITCH: It is hardware device used to direct messages across a network. Switches create temporary point links between two nodes on a network and send all data along that link. (ii) MODEM: It stands for Modulator/Demodulator and is an encoding as well as decoding device used in data transmission that converts a digital computer signal into an analog telephone signal(i.e. it modulates the signal) and converts an analog telephone signal into a digital computer signal(i.e. it demodulates the signal) in a data communication system. (iii) HTML: Web Pages are created with the help of HTML (Hyper Text Markup Languages). HTML allows to the creator of web page to specify how the text will be displayed and how this web page would be linked with other web pages. These links are normally known as Hyper Text Link. (iv) Site Blocking: This software help in blocking site that are deemed inappropriate by management. (v) Buffering: Buffering enables the processor to execute another instruction while input or output is taking place rather than being idle while transfer was completed. (vi) Data Transformation:The data transformation layer receives data from the data sources, cleans and standardizes it, and loads it into data repository. (vii) Source Program: A program is entered into the computer system and submitted to the appropriate compiler. This program is called Source Program. (viii) Open Source Software: Open source software is created by generous programmers and released into the public domain for public use. The company or individual that develops the software retains ownership of the program but the software can be used freely. (ix) Mirror Log: A mirror log is an optional file that has a file extension .mlg. It is a copy of a transaction log which provides additional protection against the loss of data in the event of the transaction log becoming unusable. (x) Chat...