Computer science paper 1 Flashcards
How is network performance effected when there is more devices?
There are more likely to be data collisions - more data needing to be resent
The amount of available bandwidth on a network is split between each device, making for less bandwidth for each device.
What else can effect performance of a network?
The amount of data being transmitted.
What order does it go for a Web host?
Website hosted on Webster
Computers access - clients
They request a URL
Search in the DNS
iPv4 can be between 0 - 255, separated by full stops.
Why is Ethernet a standard?
It is a standard as it has a high bandwidth and a reliable connection. Also has inbuilt security.
What are Tasks of a router?
Assign IP addresses to devices.
Send and forward packets
Receive packets.
Why should somebody use encryption?
So only authorised users can access confidential information.
If data is intercepted, it will be meaningless and cannot be understood.
What Protocol is used for sending emails
STMP
What Protocol is used for entering a website securely?
HTTPS
Legal issues with AI monitoring posts on a social media website
It can monitor for Illegal content
User agree to terms before signing up so should expect AI to monitoring
Can spot any copy righted posts of deigns ect - plagiarism. Posts against copyright act.
Ethical issues with AI monitoring posts on a social media website
It limits plagiarism
It may incorrectly delete or block posts made by uses - mistakes
People feel safer on the platform knowing there is no inappropriate / illegal, as this cannot be posted
Privacy issues with AI monitoring posts on a social media website
People may feel more comfortable for a computer checking over their posts rather than a human
People may feel like they are being constantly watched
How is analogue waves measured?
Sound of the wave is sampled and the amplitude of the wave is measured at set time intervals. The samples are stored as a binary number.
What is another character set?
Unicode
