ICT Unit 3 Flashcards
Multimedia
Definition: Multimedia is media in different forms such as video or sound. Software: -Sound -Music -Animation Advantages and Disadvantages A-Intersting way of presenting information -Engaging way for children to learn D- Expensive to buy -takes time to load large files
Gateway
Definition:
joins two networks together
Bridge
Definition:
Connects two LANs to together to form 1 large bridge
Intranet
Definition:
Closed networks which is accessed by employees of an organisation
Extranet
Definition:
Closed network, this can be accessed by customers
Bitmap
Bitmap is an image made up of pixels
Vector graphic
A Vector Graphic is a graphic expressed mathematically
Benefits of using vector graphics over bitmap
- Faster to download
- File size
- can be enlarged with no loss of quality
JPEG Disv and Adv
Adv- smaller file size
Disv- Doesn’t support transparency
GIF Disv and Adv
Adv- Does support transparency
Disv- Can’t be edited
3 functions of an operating system
-organises hard drive
-deals with error
Manages security
Payroll
Timesheets each month- Payroll
Master file and Transaction File
Master
Common - Payroll
F1- Name
F2- Address
Transaction
Common- Payroll
F1- Date
F2- Hours
Bionics
Application of biology to design of robots
Advs and Disvs of Robotics
Advs- -can work for 24 hrs -can work in dangerous places Disvs- -Cost of maintenance -unemployment due to jobs by robots
Artificial Intelligence
A computer program that gives machines human like intelligence
Regulation ACT 2000
- Regulates powers of public bodies
- If you have committed a crime then the police can look at your phone e.g messages, email
Preventive measures
- Eye tests
- Foot rests
- Desks at right height
Animation Techniques!!
Key Frame :
A Key frame moves an object from the star of the animation to the end. The in between frames are filled automatically by the computer.
3D Animation:
3D Animation makes the animation appear realistic and 3D is a complex animation because the Animator uses Layering Effects E.g Toy Story 3
Onion Skinning:
Onion skinning allowes you to see previous frames and this can help you plan the next frame, this makes you animation smoother
Claymation:
Clay motion moves the object frame by frame (small movements) and takes a photograph to make it appear as its moving, this creates an animation
Bus Network
Adv- Cheap and easy to install
Disv - if the backbone breaks, the whole network is unavailable
Star Network
Adv- If one cable breaks all of the other cables breaks, other cables will work
- Fast
Disv- Expensive
