Year 10 Data Transmission

USB stands for:

• Universal Serial Bus
• Unified Serial Bus
• Unique Serial Bus
• Unqualified Students Busk

Half Duplex transmission is where:

• Data can only be transmitted in one direction
• Data can be transmitted in one direction at a time
• Data can be sent both ways at the same time
• A made up term to confuse us

Full Duplex transmission is where:

• Data can only be transmitted in one direction
• Data can be transmitted in one direction at a time
• Data can be sent both ways at the same time
• A made up term to confuse us

Simplex transmission is where:

• Data can only be transmitted in one direction
• Data can be transmitted in one direction at a time
• Data can be sent both ways at the same time
• A made up term to confuse us

If you have a 2Gbit/s connection to your ISP how long will it take to download a 1GByte file?

• 0.5 seconds
• 2 seconds
• 4 seconds
• 8 seconds

Parallel transmission is where

• 1 bit is transmitted at a time
• Data can only be transmitted in one direction at a time
• 8 bits are transmitted at the same time
• 8 elephants are ridden at the same time

An example of parallel transmission is:

• Using a USB to connect to your phone
• Sending data via bluetooth
• Connecting two parts of an IC
• Plugging in a mouse

What should the value of ? be if the byte ?0110110 is transmitted using even parity

• 0
• 1
• 2
• 3

What should the value of ? be if the byte ?1000110 is transmitted using even parity

• 0
• 1
• 2
• 3

What should the value of ? be if the byte ?0000000 is transmitted using odd parity

• 0
• 1
• 2
• 3