Computer System Flashcards
The only difference between a mac and a pc is
The operating system
Windows is on a
PC
OSX is on
A mac
A software
A program you can run on your computer
Is an app software
Yes because you can download it
A search engine
When you look for a specific item I.e google
Is the Facebook website software
No because it’s on the internet the Facebook app is software because you have downloaded it
WWW is
The actual web pages
The internet is
How the web pages move around and the connection of all machines around the world
What does IP stand for
Internet protocol
What is an IP adress
A unique string of numbers Separated by full stops that identifies each computer using the internet protocol to communicate over a network
What does DNS stand for
Domain name system
What is a domain name
The part of a network address which identifies it as belonging to a particular domain.
What is DNS
DNS is the way humans can understand the web. The computer takes the DNS and transforms it into an IP address which it can understand.
.com =
Commercial. Used by anyone who wants to register a domain name
Co.uk =
Company. Used by companies
.org
Organisation or charity. Paid educations such as St.mary’s
.gov
Government. Used by government
.edu
Education. Used by Collages and universities
.net
Network. Often used by internet companies like sky and virgin
.mil
Military. Used by military
What is the computer misuse act
Stops a number of offences involving the use of a computer to steal or use data that doesn’t belong to you
What is the copyright designs and patent act
Makes sure that content creators protect what they create e.g films,music
What is the data protection act
It protects personal details such as credit card numbers and bank details
What is the arithmetic logic unit (CPU)
The part that performs the arithmetic and logical operations
What is the control unit
It extracts instructions from memory and decodes and executes them, calling on the ALU when necessary.
A web browser
Allows you to get on the web
