Benefit of a network: sharing an internet connection

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Date:

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Quick Questions

Shade in the A or B circle for each question.

1. A family has one home router. How many internet lines do they need for the laptop, tablet and phones?

A One connection shared through the router

B One separate line for every device

2. Which device lets many devices share one internet connection?

A A mouse

B A router

3. A school has 30 classrooms. How does it give them all internet?

A The school connection is shared by every classroom

B Each classroom buys its own internet line

4. Which is a benefit of sharing an internet connection?

A Every device gets faster the more you add

B Each device does not need its own line

5. Mum is streaming a movie, Dad is on a video call and you are playing online. What can happen to the speed?

A The devices share the speed, so each one may get less

B Each device gets the full speed all the time

Match the Pairs

Draw a line connecting each item on the left to its match on the right.

Left column		Right column
1shared connection		AOne internet connection that many devices use at the same time through a router
2one home router		Bmany devices share the speed
3Every classroom at school uses the same internet connection through the school router		COne box in the house that lets the whole family's phones, tablets and laptops share the same internet
4When many devices use the connection at once, each one gets a smaller share of the speed		DWith a network and a router, all the tablets can share one internet connection, so they do not each need their own line.
5Every tablet in the house needs its own internet line.		Eschool connection shared by every classroom
6If ten devices use the router, each one gets the full speed.		FThe speed is shared between the devices, so each one may get less when many are using the connection at once.

Definitions

shared connection

Fill in the Blanks

Complete each line of code by filling in the missing parts.

homeLines ← _ devices ← 5 share(router, homeLines, devices)

schoolLine ← 1 classrooms ← 12 _____(router, schoolLine, classrooms)

totalSpeed ← 100 devices ← 4 speedEach ← totalSpeed _ devices

FOR EACH device IN familyDevices connect(device, ______) END FOR

devices ← 6 sharedConnection ← TRUE needsOwnLine ← _____

Spot the Error

Shade in the letter of the line that contains an error.

Question 1

A internet = 1 line

B router = share(internet)

C connect(tablet, own_line)

Question 2

A school_line = 1

B for room in classrooms:

C connect(room, new_line)

D print("shared by all")

Question 3

A devices = 4

B lines_needed = devices

C router.share(lines_needed)

D print(lines_needed)

Question 4

A phone.join(router)

B laptop.join(router)

C tv.join(router)

D speed = total * devices

E print(speed)

Question 5

A home_router = 1

B devices = [phone, tv, laptop]

C internet_lines = len(devices)

D print(internet_lines)

Answer Key

Benefit of a network: sharing an internet connection

Section A: Quick Questions

A — One connection shared through the router

B — A router

A — The school connection is shared by every classroom

B — Each device does not need its own line

A — The devices share the speed, so each one may get less

Section B: Match the Pairs

shared connection → One internet connection that many devices use at the same time through a router

one home router → One box in the house that lets the whole family's phones, tablets and laptops share the same internet

Every classroom at school uses the same internet connection through the school router → school connection shared by every classroom

When many devices use the connection at once, each one gets a smaller share of the speed → many devices share the speed

Every tablet in the house needs its own internet line. → With a network and a router, all the tablets can share one internet connection, so they do not each need their own line.

If ten devices use the router, each one gets the full speed. → The speed is shared between the devices, so each one may get less when many are using the connection at once.

Section C: Definitions

shared connection — One internet connection that many devices use at the same time through a router, so each device does not need its own line.

Section D: Fill in the Blanks

homeLines ← 1
devices ← 5
share(router, homeLines, devices)

schoolLine ← 1
classrooms ← 12
share(router, schoolLine, classrooms)

totalSpeed ← 100
devices ← 4
speedEach ← totalSpeed / devices

FOR EACH device IN familyDevices
  connect(device, router)
END FOR

devices ← 6
sharedConnection ← TRUE
needsOwnLine ← FALSE

Section E: Spot the Error

C — The tablet should connect to the router so it shares the one internet line. It does not need its own line. The line should be connect(tablet, router).

C — Every classroom connects to the school router and shares one connection. No room needs a new line. It should be connect(room, router).

B — A router lets many devices share one internet connection, so only 1 line is needed. It should be lines_needed = 1, not one line per device.

D — Devices share the speed, so each one gets a smaller part. You divide the total speed by the number of devices. It should be total / devices.

C — The whole family shares one internet line through the home router. The number of lines is 1, not the number of devices. It should be internet_lines = 1.