A Level - 09 Communication Basics

Data is transmitted one bit at a time down a single wire

• Serial Transmission
• TCP/IP
• FTP
• HTTP
• Protocols

Data is transmitted several bits at a time using multiple wires

• Parallel Transmission
• Serial Transmission
• TCP/IP
• FTP
• HTTP

A measure of the capacity of the channel down which the data is being sent. Measured in Hertz.

• Bandwidth
• Parallel Transmission
• Serial Transmission
• TCP/IP
• FTP

The rate at which data is actually being transmitted. Measured in bits per second.

• Bit Rate
• Bandwidth
• Parallel Transmission
• Serial Transmission
• TCP/IP

The time delay that occurs when transmitting data between devices.

• Latency
• Bit Rate
• Bandwidth
• Parallel Transmission
• Serial Transmission

Data is transmitted between two devices that do not share a common clock.

• Asynchronous Data Transmission
• Latency
• Bit Rate
• Bandwidth
• Parallel Transmission

A bit used to indicate the start of a unit of data in asynchronous data transmission.

• Start Bit
• Asynchronous Data Transmission
• Latency
• Bit Rate
• Bandwidth

A bit used to indicate the end of a unit of data in asynchronous data transmission.

• Stop Bit
• Start Bit
• Asynchronous Data Transmission
• Latency
• Bit Rate

A method of checking binary codes by counting the number of 0s and 1s in the code.

• Parity Bit
• Stop Bit
• Start Bit
• Asynchronous Data Transmission
• Latency

A set of rules

• Protocols
• Parity Bit
• Stop Bit
• Start Bit
• Asynchronous Data Transmission