Gr 12 1.2 – CLOUD COMPUTING

Question 1

Cloud applications

Answer 1

Software where most of the processing is done ‘in the cloud’
– i.e by one or more servers on the Internet.

Question 2

Cloud computing

Answer 2

The use of resources offered as services over the Internet
and shared between many users. Including online file
storage services and the running of programs.

Question 3

SAAS

Answer 3

(SOFTWARE AS A SERVICE)
The concept of ‘renting’ software instead of buying a license
to use it forever. You have the right to use the latest version
of a program for as long as you are paying a monthly
subscription fee.

Question 4

Virtual memory

Answer 4

An area of storage or disk space that the operating system
keeps for its own use.

Question 5

Virtualization

Answer 5

Either splitting resources of very powerful machines
between multiple users, or combining the resources of many
machines to create a super powerful service – in each case
the illusion is created of a single computer, but which is in
reality a ‘virtual machine’. A technology heavily relied upon
in cloud computing. [like VirtualBox]