iGCSE Computer Science: Networks

Transmission where data can only be sent in one direction only e.g. a computer to a standard monitor. 

• Simplex
• Duplex
• Serial
• Parallel

Data transmission in both directions simultaneously.

• Full Duplex
• Double Duplex
• Half Duplex
• Parallel Duplex

The rules that specify how data is transmitted.

• Protocols
• Parallels
• Bandwidth
• Mulitiplexers

The data transfer rate of a network.

• Bandwidth
• Broadband
• Capacity
• Topology

Data transmission where data is transferred one bit at a time.

• Serial
• Parallel
• Simplex
• Half Simplex

Data transmission where several bits of data (usually one byte) are transferred simultaneously.  

• Parallel
• Serial
• Full Duplex
• Multi-Duplex

What does USB stand for?

• Universal Serial Bus
• Universal Simplex Bandwidth 
• Universal Serial Broadband
• Universal Simplex Bus

Which of these is not a cable used to transfer data?

• HTTP
• USB
• HDMI
• UTP

Which of these is not a network protocol?

• HTTP
• POP3
• Ethernet
• HDMI

Parallel data transmission would most likely be used for?

• Sending Data to a Printer
• Saving Work on a USB Flash Drive
• Streaming a Movie
• Sending an Email