Revision Resource

Data

What does the term 'bandwidth' mean?

Bandwidth is the amount of data that can be streamed at one time. The amount of data that can be transmitted in a fixed amount of time. For digital devices, the bandwidth is usually expressed in bits per second(bps) or bytes per second. For analog devices, the bandwidth is expressed in cycles per second, or Hertz (Hz).

What does the term 'latency' mean?

In networking, the amount of time it takes a packet to travel from source to destination. Together, latency and bandwidth define the speed and capacity of a network.

What does the term 'buffering' mean?

Buffering is referring to waiting to load, for example a video when its buffering is pausing to load.

QR Code- Quick Reference

The unique code lets people instantly know more about a business and/or service by allowing people to visit a mobile version of their website.

What does the term 'phishing' mean?

Phishing is where others try to take data and details for example through spam emails by telling people to enter details for a 'prize'

What do we mean by the term boolean searching?

Boolean searches allow you to combine words and phrases using the words AND, OR, NOT and NEAR (otherwise known as Boolean operators) to limit, widen, or define your search. Most Internet search engines and Web directories default to these Boolean search parameters anyway, but a good Web searcher should know how to use basic Boolean operators.