Binary is base
Convert 1010 into denary
Convert 6 into binary
Convert 129 into binary
Convert 1010 into hexadecimal
Convert 11001010 into hexadecimal
Convert A3 from hexadecimal to binary
Binary shift 00000101 one place to the left
1010 + 0101
Convert this into binary using 2s complement
11111101
What is the term for a network of networks that allows multiple devices to communicate with each other all over the world?
What is meant by the world wide web?
What is the main purpose of a web browser?
Name two features of a web browser
List two concerns that people have over using cookies
What is the main purpose of an IP address?
How many octets/sections are in an IPv4 address
What is the largest number an octet can store?
What is the role of a domain name in internet communication?
What does DNS stand for?
Identify one mistake in this IP address: 192-168.300.10.
What happens when you type a URL into a browser before a web page appears?
How do we know if a web page is secure?
Put this in order
the browser inspects the certificate
user types in a URL in their browser
if it is legitimate the browser and the server communicate using encryption
Youtube send to the browser their certificate of authentication
the browser asks the web server such as Youtube to identify itself