Give 2 advantages of networks systems over standalone
same network
share software
share data
can share media
do not need cables
Tick the three correct boxes to show which file formats are used to store music files.
BMP
WAV
MP3
DOCX
WMA
HTML
Computers can only store encrypted signals.
Sound is an digital signal.
Tick the two correct boxes to show how images could be optimised before publishing on a web page.
Reduce the quality of the image
Make the picture bigger
Reduce the number of colours
Reduce the number of words
Bitmap images are made up of pixels.
Images that can be scaled up without loss of quality are called vectors.
Bitmap images blur if they are enlarged.
Vector images is where maths is used to work out the position and size of the image.
Which devices are input?
Mouse
Speaker
Monitor
Microphone
What are two effects of compressing a graphical image?
Reduced quality image.
Larger file size
Reducing the number of colours
Does not need software to open.
What does LAN stand for?
Local Area Network
Low Added Noob
Light Action Now
The analogue signals from a computer are converted to a digital signal to produce sound from the speaker?
A closed private internet is called an.......
Extranet
Intranet
What is meant by feedback in a computer control system?
The output affects the input.
The input affects the output.
What law does this statement apply to?
Digital signals are legally binding
Computer Misuse act
Copyright Act
Electronic communications act
State two uses/advantages of online banking.
Instant Statements
Can buy cheeky Nando's with a debit card
Saves travel costs.
