Give 5 advantages of an interactive TV.
- everything done from your room
- don’t need additional equipment (PC)
- customise what you watch
- communicate with friends/family
- shop from home
Give 5 disadvantages of an interactive TV.
- interactive services cost money
- slow speed
- spend too much time on it
- complicated to use
- security issues
Give 5 interactive TV services.
- Betting
- Shopping
- Playing games
- Voting
- Using email
What is email?
The sending and receiving of messages, files and attachments, electronically over a network/internet.
Give 2 pros and cons of Post.
Ads:
- everyone can receive post
- tangible items can be sent
Disads:
- costs to get confirmation receipts
- slow
Give 2 pros and cons of Fax.
Ads:
- can not be altered
- confirmation receipt can be requested
Disads:
- can be picked up by the wrong person
- lose quality
Give some pros and cons of telephone.
Ads:
- no special hardware required
- voicemail
Disads:
- not everyone checks their voicemail
What is a trojan horse?
A computer program which claims to do one thing and does something else.
What’s a worm?
A small piece of software which uses security holes to replicate itself and scans the network for another machine.
What is hacking?
Gaining access to someone else’s account without their knowledge / permission.
What is a webcam?
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.
Give the pros and cons of video conferencing.
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
Give some pros and cons of gaming.
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
What is a pixel and a megapixel?
Pixel - a single point in a graphics element or smallest dot of light on a screen.
Megapixel - one million pixels
Give some pros of digital photos.
- sharing images is easy
- photos can be edited
- can be shared via phone and social media
List 5 features of photo editing software.
Crop - removing unwanted parts Zoom - focusing on a certain section Brightness - make it clearer Airbrush - soften edges Remove red eye - glare on eyes
Give 3 pros and cons of social networking.
Ads:
- entertainment
- keep up to date with friends/family
- share photos/videos
Disads:
- Identity theft
- paedophiles
- addiction / time wasting
Give some pros and cons of downloading music.
Ads:
- can buy individual songs
- don’t need to leave home
- build custom playlists
- cheaper than CDs
Disads:
- expensive
- legal issues
- can get viruses
