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Worksheetscomputing revision
Total questions: 15
Worksheet time: 5mins
what is a LAN?
Wide Area Network
Local Area Network
ram
rom
stores the instructions used to boot up the computer
RAM
ROM
Firewall
Option 4
Explain the term 'Volatile' in relation to memory
Non-Volatile?
virtual memory
hard drives
RAM
ROM
what are 2 pros of a P2P
Easy to maintain
easier to perform back-ups
no dependence on server
expensive to set up
what is data interception
Using a packet sniffer to monitor and collect data from the packets
hacking people
imedia
wow green answer
explain how the CPU uses BIOS
(a)
what is an embedded system
A computer that’s built into another device that’s made to do 1 function.
2 computers combined together
quizlet
what is the role of a router
to fix wifi connections
transfer data
transfers data between networks
What does the "clock speed" determine?
The number of instructions a single processor can carry out per second
how slow time goes in school
speed = distance / time
Give 2 examples of an IP address.
34.34.34.34.34
134.326.432.46
1.2.3.4
7
how is data sent across a network?
packet switching
packets
stekcap
ALU
computing * 38
+ Which one is a real PROTOCOL
HTTP
TTPPTTT
HTTPS3
E
STMP
what does HTTP do and when would you use it
- Used by web browsers to use websites
- When accessing a webpage/website where security isn't an issue.
used by exploiters
transfer off files between computers
When using files over a network e.g. downloading a file off a website.
Why do most devices use a 24-bit depth?
media
Because each pixel has 16,777 216 colours in the image
because its easier to manage
because it has 1,000,000 pixels
