Section B

Question 1

Give 5 advantages of an interactive TV.

Answer 1

• everything done from your room
• don’t need additional equipment (PC)
• customise what you watch
• communicate with friends/family
• shop from home

Question 2

Give 5 disadvantages of an interactive TV.

Answer 2

• interactive services cost money
• slow speed
• spend too much time on it
• complicated to use
• security issues

Question 3

Give 5 interactive TV services.

Answer 3

• Betting
• Shopping
• Playing games
• Voting
• Using email

Question 4

What is email?

Answer 4

The sending and receiving of messages, files and attachments, electronically over a network/internet.

Question 5

Give 2 pros and cons of Post.

Answer 5

Ads:

• everyone can receive post
• tangible items can be sent

Disads:

• costs to get confirmation receipts
• slow

Question 6

Give 2 pros and cons of Fax.

Answer 6

Ads:

• can not be altered
• confirmation receipt can be requested

Disads:

• can be picked up by the wrong person
• lose quality

Question 7

Give some pros and cons of telephone.

Answer 7

Ads:

• no special hardware required
• voicemail

Disads:
- not everyone checks their voicemail

Question 8

What is a trojan horse?

Answer 8

A computer program which claims to do one thing and does something else.

Question 9

What’s a worm?

Answer 9

A small piece of software which uses security holes to replicate itself and scans the network for another machine.

Question 10

What is hacking?

Answer 10

Gaining access to someone else’s account without their knowledge / permission.

Question 11

What is a webcam?

Answer 11

An input device which generates images which can be displayed and accessed on the world wide web. It’s a camera, connected to a computer and gathers images for display elsewhere.

Question 12

Give the pros and cons of video conferencing.

Answer 12

Ads:

• don’t have to leave the office
• reduced travel
• meet worldwide with little notice
• webcams are cheap

Disads:

• good webcams are expensive
• poor sound / picture
• can’t share confidential documents

Question 13

Give some pros and cons of gaming.

Answer 13

Ads:

• help learning
• make learning fun
• encourage teamwork
• lead to well paid jobs

Disads:

• addictive
• little physical activity
• can be violent
• waste of time
• health issues

Question 14

What is a pixel and a megapixel?

Answer 14

Pixel - a single point in a graphics element or smallest dot of light on a screen.

Megapixel - one million pixels

Question 15

Give some pros of digital photos.

Answer 15

• sharing images is easy
• photos can be edited
• can be shared via phone and social media

Question 16

List 5 features of photo editing software.

Answer 16

Crop - removing unwanted parts
Zoom - focusing on a certain section
Brightness - make it clearer
Airbrush - soften edges
Remove red eye - glare on eyes

Question 17

Give 3 pros and cons of social networking.

Answer 17

Ads:

• entertainment
• keep up to date with friends/family
• share photos/videos

Disads:

• Identity theft
• paedophiles
• addiction / time wasting

Question 18

Give some pros and cons of downloading music.

Answer 18

Ads:

• can buy individual songs
• don’t need to leave home
• build custom playlists
• cheaper than CDs

Disads:

• expensive
• legal issues
• can get viruses