IGCSE Information & Communication Technology Paper-1: Specimen Questions with Answers 43 - 44 of 46

Question number: 43

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Appeared in Year: 2009

MCQ▾

Question

Which of the following statements describe advantages of Chip and Pin systems?

Choices

Choice (4)

a.

Extra layer of security with PIN number.

b.

Saves time at checkouts.

c.

Persistence/Accessibility.

d.

Both b. and a. are correct

Answer

d.

Explanation

The statements Extra layer of security with PIN number. andSaves time at checkouts. describe advantages of chip and pin systems.

Chip and PIN refers to the technology used in debit and credit cards in order to process payments or to withdraw cash from cashpoints.

Advantages:

  • The chip is embedded on the card and contains all information in an encrypted format.

  • It also comes with a personal identification number (PIN).

  • Extra layer of security.

  • Even if stolen card cannot be used unless thief knows PIN number

  • Larger amount of information can be stored

  • Disabled people find it easier than signing

  • Reduces disputes at checkouts over validity of signature/

  • Saves time at checkouts

  • Not affected by magnetic fields

  • Data more difficult to copy

Question number: 44

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Appeared in Year: 2009

Essay Question▾

Describe in Detail

What are the advantages of using video conferencing instead of face-to-face conferencing?

Explanation

  • Videoconferencing (or video conference) means to conduct a conference between two or more participants at different sites by using computer networks to transmit audio and video data. For example, a point-to-point (two-person) video conferencing system works much like a video telephone.

  • Face-to-face interaction (less often, face-to-face communication or face-to-face discourse) is a concept in sociology, linguistics, media and communication studies describing social interaction carried out without any mediating technology.

Advantages

  • Workers can use own office so documents do not get lost in transit/bulky documents/equipment

  • Employees can work from home

  • Travelling time is saved

  • Might be dangerous to fly/travel

  • Do not have to be carried around

  • Company can call meeting at short notice

  • Company does not have to pay travelling expenses

  • Company does not have to pay hotel expenses

  • Company does not have to pay for conference room facilities

  • Disabled people may find it difficult to travel

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