bus topology

• A network topology that connects all devices in a network via a single cable.
• A network topology where devices are connected wirelessly through satellite communication.
• A network topology where devices are all connected to each other without a central hub.

cable

• types include coaxial, twisted pair, and fiber optic.
• Thin strands of metal used for transmitted data between CPU components
• A type of cord used to power electronic devices.

check digit

• Extra digit verifying data integrity.
• A symbol used to represent mathematical operations in computer programs.
• A character inserted into text messages to indicate the end of a sentence.

data integrity

• Accuracy of processed data.
• The process of converting analog data into digital format.
• input data that needs to be entered twice to ensure it is correct

check sum

• The value of a sum of numbers used for error detection in network data transmission
• A process used to verify the accuracy of mathematical calculations in computer programs.
• A sequence of random numbers used to identify errors in data transmission.

data packet

• Part of a transmitted message.
• A small electronic device used to store and transfer data.
• A unit of information transmitted over a network, containing only the destination address.

gateway

• Converts data between networks and ensures they understand each other.
• A device used to convert digital signals into analog signals for transmission over telephone lines.
• A physical door leading to a network server room.

handshaking

• Signals used by devices to establish network connection
• A method of greeting used in online chat rooms.
• A process indicating that a connection has been established between two network engineers.

hub

• A central part of a network that links computers and shares resources and files equally.
• A device that converts digital signals into Morse code for transmission.
• A part of a network responsible for linking computers together and sharing resources selectively.

ISDN

• A standard for transmitting audio, video, and data over digital telephone lines.
• A protocol used for sending digital images over telephone lines.
• A standard for transmitting audio, video, and data over analogue telephone lines.