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WorksheetsThe Internet
Total questions: 17
Worksheet time: 9mins
How does Information move over the Internet?
It is broken into packets and sent in order by the shortest route.
It is queued in routers and sent according to the TCP rules.
It is broken into packets and can be sent by a variable route.
Is synchronised using a timer and sent in order via the routers.
What does the Router do?
Manages and sends packets via the cheapest route.
Keeps track of the traffic on the Internet.
Provides Internet addresss for packets of Information.
Uses TCP to control the speed of packets over the Internet.
What is TCP?
Trans Cyber Procedures
Transfer Computer Packet
Transport Computer Program
Transmission Control Protocol
What are the key features of TCP Router Systems?
Speed and Direct Routes.
Error correction and Packet Recovery.
Fault Tolerance and Redundancy.
Route selection and Packet Location.
How do packets Navigate across the Internet?
Routers direct Packets where to go.
Packets have destination and origin IP addressess added to them.
Packets just follow their leading packet called the header.
Packets use tokens that are checked and passed by the router.
What is Binary Information?
collection of 0's and 1's
programming language used in calculators
is used in switches - on and off
combinations of two different bits.
How many BITS are in a BYTE?
2
6
8
64
What is physically sent over a wire to the internet
Electricity
Light
0's and 1's
Radio Waves
What is Bandwidth measured in?
Bytes per second
Bits per second
frames per second
Megabytes per second
What is fiber optic cable's core made out of?
Copper
Fiber
Glass
Steel
What does LATENCY measure?
The delay before a bit can start its journey.
The delay caused by the router.
The travel time from start to end of a bits journey.
The address and protocol information added to the data.
What sort of internet does not use or need cables?
Radio Waves
Wi Fi
Infra Red
Ethernet
What is the Internet?
Another name for the CLOUD
A ring of satellites
A Mesh of interconnected communication devices
It's like plumbing with it constantly moving
Who invented the Internet?
Bob Kahn and Vint Cerf
US department of defence
Bill Gates ( Microsoft )
When was the Internet invented?
1970's
1980's
1990's
2000's
Why was the internet invented?
For universities to share research.
For communications to survive nuclear attacks.
For business to improve commerce.
So that TV companies could stream PAY TV.
Who runs/controls the Internet?
The owners of the WIFI network
The government
Microsoft and Google
No one person or company
