1.
Computer network in which a "bus” connects all the devices together through a common cable.
A
bus topology
B
mesh
C
star
2.
Copper wire (usually coaxial and twisted pair) and fibre (fibre optic cable-made from glass). Cables allow for the connection of computers over a network.
A
cable
B
wifi
C
fibre optic
3.
Extra digit added to numerical data that is used to check data, integrity after input, transmission, storage and processing.
A
check digit
B
check sum
C
handshaking
4.
Error—detecting procedure that generates a sum from the digits of a number.
A
check digit
B
check sum
C
handshaking
5.
The accuracy of data after input, transmission, storage or processing.
A
handshaking
B
data integrity
C
data packet
6.
Portion of a message that is transmitted through a network.
Contains data such as check digits and destination address.
A
handshaking
B
data integrity
C
data packet
7.
Link that resides between computer networks and is responsible for converting data passing through into the appropriate format so it can be understood by the receiving network.
A
gateway
B
hub
C
modem
8.
Network connection point for devices. Data arriving at a hub is copied and send to all the devices on the network.
A
gateway
B
hub
C
modem
9.
Exchange of predetermined signals to signify that a connection
has been established between two systems.
A
handshaking
B
hub
C
gateway
10.
International communications standard that allows for the transmission of audio/video and other data over digital telephone lines.
A
ISDN (integrated services digital network)
B
microwave transmission
C
protocol
11.
Electronic equipment that converts computer digital signals into audio signals and back. The audio signals are transmitted over telephone lines, which allows for distant communication.
A
modem
B
switch
C
hub
12.
Network communication method that creates and transmits small units of data, called packets, through a network, independently of the overall message.
A
packet switching
B
switching
C
packet
13.
International rules that ensure the transfer of data between ‘ systems. A protocol that is recognized as the standard for a specific type of transfer is called standard protocol.