Chapter 2- On the Move

Question 0

What does sat-nav use to do?

Answer 0

Satellite navigation uses GPS, to tell you directions to and from a location, it can be from current location or another location stored.

Question 1

What does GPS tell you?

Answer 1

Your current location only with latitude and longitude coordinates

Question 2

What does AGPS stand for?

Answer 2

Assisted GPS or assisted global positioning system

Question 3

Mitch has GPS tagging (geotagging). State what this feature does

Answer 3

To show where the recording was taken
Adds coordinates to the images (latitude and longitude)
(1)

Geotagging

Question 4

Why is geotagging useful?

Answer 4

For reference - so that you can see where they were taken / to pinpoint where they were taken
Allow you to attach images to a map
(1)

Question 5

Why is a DVD better than a CD

Answer 5

DVD has greater storage capacity

Question 6

Why is online storage (cloud computing) better than a DVD?

Answer 6

Two advantages from
• Don’t need to buy extra storage (e.g. more DVDs) / online storage is free
• Can access video files from anywhere with internet
• Data is kept securely / cannot be lost or broken
• Data is regularly backed up
• Can be easily shared with others
• Cannot run out / unlimited storage
• Saves time when accessing backups
• No need for specialist software
(2)