Wired & Wireless Networks
A single copper wire surrounded by a plastic layer
What is a coaxial cable?
Large network, can be spread over multiple countries
What is a WAN?
The method of getting rid of any unnecessary aspects of a problem or algorithm.
What is Abstraction?
Program branch depending on a condition
What is selection?
A way of breaking the complex task of networking into smaller easier tasks
What is layering?
The process of breaking down a large problem into smaller, more manageable tasks.
What is decomposition?
Holds a value which can be changed as a program is running.
What is a Variable?
What is a binary left shift
Allows devices to connect to the network. They contain the MAC address
What is a NIC?
Fastest cable least redundancy
What is a fibre optic cable?
In a flow diagram, this symbol is used for inputs/outputs
What is a parallelogram?
A method of storing data in the RAM that can not be changed throughout the program.
What is a constant?
The number of samples per second in a sound.
What is sampling frequency?
A computer server that contains a database of public IP addresses and their associated hostnames.
What is a DNS Server?
A network topologies with as many nodes connected as possible.
What is a mesh network?
Most efficient way of sorting data
What is merge sort?
A data type used for whole numbers
What is a integer?
A redundancy check used for error detection
The communication process that happens between a device and a wifi access point to establish an encryption key.
What is a 4 way handshake?
Slowest sorting algorithm, simple to code
Bubble sort