How many characters has ASCII got?

• 1

• 2

• 4

• 8

• 16

How many characters does UNICODE use?

• 1

• 4

• 8

• 16

"The characters/symbols a computer uses" are known as...

• keyboard

• character set

What is the name of the unique identifier for any device connected to the internet?

• DNS

• IP address

• Web server

What is this?

http://www.dunottarschool.com/staff

• URL

• DNS

• IP

• Domain name

What is a router?

• A device which stores webpages on the internet

• A device which receives packets and forwards packets on a network

What type of connection is the fastest?

• WiFi

• fibre optic

• copper cable

What is the effect of a binary shift left twice?

• double a number

• times a number by 4

• halve a number

How many bytes in a kilobyte?

• 100

• 1000

• 1 million

Which is larger?

• Gigabyte

• Petabyte

• Terabyte

• Megabyte