B063 2017-Section 2

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An advantage of 4G over 3G
It is almost 3 times faster than 3G average
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Give 2 limitations using 4G has
Its availability relies on the user signing up to 4G tarrif which may require additional cost. 4G coverage in the UK is not yet nationwide.
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How does NFC work?
It works using electomagnetic induction and can be used to read simple NFC tags. Once the data has been exchanged, it can be shared with computer systems.
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What is EDI?
EDI is an automated method for allowing two companies to exchange delivery information. The user can send bulk parcel orders without having to enter individual parcel details.
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What are de facto standards?
Customs achieved a dominant position by public aceptance or market forces.
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What are de jure standards?
A custom developed and approved by an official organisation.
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Other cards in this set

Card 2

Front

Give 2 limitations using 4G has

Back

Its availability relies on the user signing up to 4G tarrif which may require additional cost. 4G coverage in the UK is not yet nationwide.

Card 3

Front

How does NFC work?

Back

Preview of the front of card 3

Card 4

Front

What is EDI?

Back

Preview of the front of card 4

Card 5

Front

What are de facto standards?

Back

Preview of the front of card 5
View more cards

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