Unit 2, Lesson 1: Welcome to The internet
Quiz by McCartney, Callie R
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- Q1
Digital Information is:
Real
Discrete/specific/limited values LIMITED STORAGE SPACE
Infinite
Continuous
30s - Q2
What is Analog Information?
Real, Infinite, Continuous
Storable on a computer
Uses a sample technique to create a finite # of values to represent the real thing
Discrete/specific/limited values
30s - Q3
What is the Internet?
The way that computers connect to computers. Distributed network for sharing information.
Only wireless information sharing.
Continents are not connected because we can't put cables under the ocean
Where we are physically connected to every single other computer 1 to 1
30s - Q4
What is a Distributed Network Like?
Reliable, Safe, Scalable
Not reliable
Not Safe
Not Scalable
30s - Q5
Why is a Distributed Network More Reliable and Safer?
Hard to make large network even bigger
Lots of different paths for information to travel on (think roads if one has construction)
Simple system to just connect every computer to one router
Fragile. Dr. Evil can just blow up the one router
30s - Q6
What are the 3 types of internet cables?
Light, sound, energy
Fiber Optic, Sound, Ethernet
Fiber Optic, Ethernet/Coax, and Wireless
Radio, sound, light
30s
