What does multi touch mean in this context 1 87 small

What does ‘multi-touch’ mean in this context?
(1)
8.7 Small plastic medals will be awarded to participants.
What is the broad name given to printers that will be able to produce these medals?
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8.8 A data projector and an interactive whiteboard have been set up in the briefing room.
Which specification of a data projector refers to the brightness of the projected image?
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8.9 One of the data capturers has a visual disability.
Give ONE type of keyboard this person could use.
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8.10 In case there is a problem with the network, an external 2.5" hard drive will be used to
transfer data between the computers.
Explain why it might be important that a 2.5" drive is used, rather than a 3.5" drive.
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8.11 Anti-malware software must be installed on the computers to protect against spyware and
adware.
8.11.1 What is the name given to spyware that tries to determine your usernames and
passwords by tracking your use of input devices?
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8.11.2 Give ONE reason why it might not be a good idea to download and install the
following program:
(1)
AdBlock++.exe

8.12 Consider the screenshot of a spreadsheet below, in which the results of the half marathon
are recorded, and answer the questions that follow.
8.12.1 Give only the name of the Excel function that must be used to return the number of
minutes ( column B ) taken by the athlete who came third in the race.
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8.12.2 State in your own words what the following formula calculates:
(2)
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TOTAL: 125
=COUNTIF(B3:B10, "<=150")/COUNT(B3:B10)*100