Reasoning Bluetooth is a modern wireless technology named after an ancient Viking King, King Blatand (which is Danish for King Bluetooth) who united the warring tribes of Denmark and Norway in the 10th Century. Bluetooth was given this name because it unites together many devices such as your computer, your personal digital assistant, your mobile phone and your digital camera. The advantage of Bluetooth is that it does away with the need for cables and communicates instead by radio. All that’s needed is for each device to have a Bluetooth chip. To communicate between the Bluetooth-enabled devices, all you need to do is put them within ten metres of each other. The real advantage of Bluetooth is that it allows you to easily synchronise data stored on your various devices. However, there are some issues with security using Bluetooth, despite each device having an individual ID number and PIN. To reduce this risk and to prevent eavesdropping, the radio frequency is continually changed.

102. The Viking King, King Blatand, invented the Bluetooth technology

	(a) True
	(b) False
	(c) Cannot say
	(d)

103. Bluetooth provides a secure way to communicate between your various devices, such as your computer, your personal digital assistant, your mobile phone and your digital camera

	(a) True
	(b) False
	(c) Cannot say
	(d)

104. Bluetooth avoids the 2.45 GHz radio frequency band for security reasons

	(a) True
	(b) False
	(c) Cannot say
	(d)

105. Bluetooth-enabled devices can communicate with each other if they are five metres apart

	(a) True
	(b) False
	(c) Cannot say
	(d)

TOTAL

Detailed Solution

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