Grade 7 ICT Worksheet

Is this a form of iterative development?

• Yes

• No

Should Jennifer revisit her design after building the prototype according to the iterative development process?

• Yes

• No

Fill in the missing parts of the iterative process below: Test | Develop | Design

• Design

• Develop

• Test

Describe the THREE network types (in terms of area) and give ONE example of each.

Describe the difference between copper and fibre optic cables in terms of: bandwidth (speed) | cost | distance of transmission | vulnerability to EMI

Provide TWO examples of wireless networks.

• WiFi

• Bluetooth

• cellular data (4G and 5G)

Provide ONE example of a wired network.

• Ethernet cable

• Fibre optic cable

Provide TWO benefits of wireless networks.

• More convenient to use

• easier to move around

• connects to the network more easily

Provide TWO benefits of wired networks.

• more reliable

• more secure

Describe how echo checks are used to detect transmission errors.