Exercise 3. Match the words on the left with their definitions on the right.

cloud computing	a	a short-range radio technology aimed at simplifying communications among Internet devices and between devices and the Internet
kernel	b	the central module of an operating system that loads first and remains in main memory.
bus	c	available to the general public for use and/or modification from its original design free of charge
USB (universal serial bus)	d	a type of electronic display that senses physical touch by a person’s hands or fingers, and then performs required actions
open source program	e	an external bus standard that supports data transfer rates of 12 Mbps.
touchscreen	f	a type of computing that relies on sharing computing resources rather than having local servers or personal devices to handle applications
bluetooth	g	a collection of wires through which data is transmitted from one part of a computer to another a program in which the source code is

Exercise 4. Make all possible word combinations from the words given below.

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