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3 years ago

TQ Sustainability & Technology

1 answer:

4 0

A way to make the metro system more sustainable is to use machine learning so as to optimize the frequency of train routes using passenger load.

<h3>What is a sustainable transport system?</h3>

This sustainable transport system is known to be a kind of system that aids the basic access and growth needs of the society to be met rightly and safely.

This also should be meant in a way that is consistent with human and ecosystem health, and boast equity in all successive generations.

Other methods are the use of Cooling System to lower temperature and non waste of Energy and also lower the Noise Levels.

learn more about Sustainability from

brainly.com/question/25032305

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Given a string variable named sentence that has been initialized , write an expression whose value is the the very last characte

Blizzard [7]

Strings can usually be dealt with as arrays of characters.

sentence[ -1 ]

sentence.substring( sentence.size() -1 );

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3 years ago

A hub transmits all incoming messages to all of its ports except the port where the messages came in. A switch usually sends mes

leonid [27]

Answer:

MAC Addresses (Destination and Source MAC address)

Explanation:

A switch has 3 primary functions:

Forward frames
Learn addresses
Avoid loops

An Ethernet frame has the header, data and trailer and there are two specific fields in the header that helps the switch to know where to send data in future transmissions.

destination MAC address
source MAC address

every Ethernet frame has this and when the frame hits a switch or any device, any device can look at it ( an Ethernet frame ) and know where it is suppose to go and where it came from.

Every switch has a MAC address table where it stores MAC addresses of different computers on the network.

Example:

When a PC1 sends a frame to PC2 through a switch, the switch looks at the header of the Ethernet frame for the source mac address and adds the source MAC address to its MAC address table and also the port that it came through.

simply put:

A switch looks at the source MAC address to see if it knows it already, if it does. Great! no need to add it again to it's address table.

If it doesn't, it adds it's source address and the port that the frame came from.

This basically how the switch populates its MAC address table.

3 0

3 years ago

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Write code that prints: usernum ... 2 1 blastoff! your code should contain a for loop. print a newline after each number and aft

Svetradugi [14.3K]

You never said what language so I used C

#include <stdio.h>

int main () {

int a;

for( a = 3; a > 0; a-- ){

printf("%i \n", a); }

printf(" Blast OFF !!!\n");

return 0;

}

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3 years ago

10 points if right...

aivan3 [116]

email because with chat it might wake up the kids and wbsite doesnt make sense. neither does blog so with email you can give personal messages and pictures.

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3 years ago

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Difference between ram and rom

BigorU [14]

Answer:

It stands for Random Access memory.
It is used for both purpose( read and write).
It is volatile memory.

It stands for Read only memory.
It can be used only to perform the read operation.
It is non-volatile.

Hope this helps...

Good luck on your assignment...

8 0

3 years ago

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