4j Digital Television *

Question 0

Describe the services available to the individual that are offered by digital television networks.

Answer 0

Descriptions of services may include e.g
Range of TV channels

pay per view
 payment
 preference selection
 viewing time.

voting
 charging
 votes not being counted.

game show participation
 viewer participation
 incorrect answers and progression.

camera angles
 viewers’ choice
 action missed
 replay choice.

Question 1

Describe two limitations of interactive television.

Answer 1

One for identifying a limitation, second for description eg

 needs large bandwidth (1) to fully support all features (1)
 true interactivity is limited (1) available facilities allow more
interaction on the same line (1). [4] One mark for point (max 3), one for expansion (max 5)
contribution than interaction (1)
 end user may not have the required hardware (1) wasted time
by company producing features that are not seen (1)
 TV seen as passive entertainment (1) viewers may resent
attempts to encourage them to interact more (1)
 faults on the telecommunications network (1) stops any interaction on the same line (1)