Računalniška omrežja so danes del našega vsakdana - brez njih... Show more
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Updated May 8, 2026
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Osnove računalniških omrežij in interneta
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Uvod v računalniška omrežja
Predstavljaj si računalniško omrežje kot skupino prijateljev, ki si lahko pošiljajo sporočila - samo da namesto prijateljev imamo računalnike, telefone in druge naprave. Te naprave so povezane s kabli ali preko Wi-Fi-ja.
Glavni namen je jasen: izmenjava podatkov in deljenje virov. Brez omrežij bi bil vsak računalnik kot otok - popolnoma izoliran od drugih.
V vsakem omrežju imaš strežnik (server) in odjemalca (client). Strežnik je kot trgovina, ki nudi storitve - na primer hrani spletne strani ali datoteke. Odjemalec pa je kot kupec, ki nekaj potrebuje - tvoj računalnik, ko brskam po spletu.
💡 Zapomni si: Strežnik "streže" podatke, odjemalec pa jih "konzumira".
Ključni pojmi za razumevanje
Protokol je kot prometni zakonik za podatke - brez teh pravil bi vladal popoln kaos. Najpomembnejši je TCP/IP, ki je temelj interneta.
IP naslov je kot hišni naslov za pošto, samo za podatke. Vsaka naprava v omrežju ima svoj unikatni naslov, na primer 192.168.1.10. Brez tega podatki ne bi vedeli, kam morajo iti.
Usmerjevalnik (router) je ključna naprava - povezuje tvoje domače omrežje z internetom in ureja ves promet. Predstavljaj si ga kot prometnega regulirnika na križišču.
📝 Za test: Razumevanje modela odjemalec-strežnik je ključno za večino vprašanj!
Vrste omrežij: LAN in WAN
Omrežja delimo po velikosti, in to moraš obvladati za test! LAN (lokalno omrežje) pokriva majhno območje - tvoj dom, šolo ali pisarno. WAN (prostrano omrežje) pa povezuje naprave na velikih razdaljah.
Domače omrežje deluje preprosto: usmerjevalnik vsaki napravi dodeli zasebni IP naslov (npr. 192.168.1.2). Ti naslovi veljajo samo v tvojem domu.
Za dostop do interneta potrebuješ ponudnika internetnih storitev (ISP). Ta tvoji hiši dodeli en javni IP naslov, ki predstavlja celotno tvoje omrežje navzven.
⚡ Pomembno: Zasebni IP velja samo doma, javni IP pa te predstavlja na celotnem internetu.
Kako poteka komunikacija preko interneta
Ko vpišeš www.google.com, se zgodi pravi čudež tehnologije! Tvoj računalnik pošlje zahtevo usmerjevalniku, ta pa zamenja tvoj zasebni IP z javnim in sporočilo pošlje naprej.
Podatki ne potujejo v enem kosu - razdelijo se na pakete. Vsak paket vsebuje del podatkov ter naslove pošiljatelja in prejemnika. Ko pridejo na cilj, se spet sestavijo.
Googlov strežnik obdela zahtevo in pošlje odgovor nazaj. Tvoj usmerjevalnik ugotovi, kateri računalnik v omrežju je poslal zahtevo, in mu posreduje podatke.
Praktičen primer: Ko igraš mrežno igro s prijatelji doma, vsa komunikacija poteka preko LAN-a - zato je povezava super hitra!
🎯 Ključno za razumevanje: Internet ni oblak, ampak fizično omrežje kablov in strežnikov po vsem svetu.
Praktični primeri iz življenja
Primer 1: Ko se s prijatelji povežete na isto Wi-Fi omrežje za igranje, vsak dobi svoj lokalni IP. En računalnik postane strežnik, ostali pa odjemalci - komunikacija je hitra, ker ne gre preko interneta.
Primer 2: Dostop do spletne učilnice poteka drugače. Tvoj računalnik (odjemalec) pošlje zahtevo preko interneta do šolskega strežnika, ta pa ti vrne spletno stran.
Razlika je jasna: LAN komunikacija je lokalna in hitra, WAN komunikacija pa gre preko interneta in je počasnejša.
📚 Za test zapomni: LAN = majhno in lokalno, WAN = veliko in internetno.
Hiter pregled za ponavljanje
Osnovni pojmi: Omrežje povezuje naprave za izmenjavo podatkov. Strežnik nudi storitve, odjemalec jih zahteva. IP naslov je unikatni naslov vsake naprave.
Vrste omrežij: LAN za lokalno povezavo (dom, šola), WAN za velike razdalje (internet).
Ključne naprave: Usmerjevalnik povezuje različna omrežja in ureja promet podatkov.
Komunikacija: Podatki potujejo v paketih po protokolu TCP/IP. Zasebni IP velja samo lokalno, javni IP pa te predstavlja na internetu.
🏆 Končni nasvet: Te osnove so temelj za razumevanje celotne digitalne komunikacije - obvladaj jih in ostalo bo sledilo!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Most popular content
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
Osnove računalniških omrežij in interneta
Računalniška omrežja so danes del našega vsakdana - brez njih ne bi mogli surfati po spletu, pošiljati sporočil ali streamati videov. V bistvu gre za povezavo računalnikov, ki si lahko izmenjujejo podatke in delijo vire.
Uvod v računalniška omrežja
Predstavljaj si računalniško omrežje kot skupino prijateljev, ki si lahko pošiljajo sporočila - samo da namesto prijateljev imamo računalnike, telefone in druge naprave. Te naprave so povezane s kabli ali preko Wi-Fi-ja.
Glavni namen je jasen: izmenjava podatkov in deljenje virov. Brez omrežij bi bil vsak računalnik kot otok - popolnoma izoliran od drugih.
V vsakem omrežju imaš strežnik (server) in odjemalca (client). Strežnik je kot trgovina, ki nudi storitve - na primer hrani spletne strani ali datoteke. Odjemalec pa je kot kupec, ki nekaj potrebuje - tvoj računalnik, ko brskam po spletu.
💡 Zapomni si: Strežnik "streže" podatke, odjemalec pa jih "konzumira".
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Ključni pojmi za razumevanje
Protokol je kot prometni zakonik za podatke - brez teh pravil bi vladal popoln kaos. Najpomembnejši je TCP/IP, ki je temelj interneta.
IP naslov je kot hišni naslov za pošto, samo za podatke. Vsaka naprava v omrežju ima svoj unikatni naslov, na primer 192.168.1.10. Brez tega podatki ne bi vedeli, kam morajo iti.
Usmerjevalnik (router) je ključna naprava - povezuje tvoje domače omrežje z internetom in ureja ves promet. Predstavljaj si ga kot prometnega regulirnika na križišču.
📝 Za test: Razumevanje modela odjemalec-strežnik je ključno za večino vprašanj!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Vrste omrežij: LAN in WAN
Omrežja delimo po velikosti, in to moraš obvladati za test! LAN (lokalno omrežje) pokriva majhno območje - tvoj dom, šolo ali pisarno. WAN (prostrano omrežje) pa povezuje naprave na velikih razdaljah.
Domače omrežje deluje preprosto: usmerjevalnik vsaki napravi dodeli zasebni IP naslov (npr. 192.168.1.2). Ti naslovi veljajo samo v tvojem domu.
Za dostop do interneta potrebuješ ponudnika internetnih storitev (ISP). Ta tvoji hiši dodeli en javni IP naslov, ki predstavlja celotno tvoje omrežje navzven.
⚡ Pomembno: Zasebni IP velja samo doma, javni IP pa te predstavlja na celotnem internetu.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Kako poteka komunikacija preko interneta
Ko vpišeš www.google.com, se zgodi pravi čudež tehnologije! Tvoj računalnik pošlje zahtevo usmerjevalniku, ta pa zamenja tvoj zasebni IP z javnim in sporočilo pošlje naprej.
Podatki ne potujejo v enem kosu - razdelijo se na pakete. Vsak paket vsebuje del podatkov ter naslove pošiljatelja in prejemnika. Ko pridejo na cilj, se spet sestavijo.
Googlov strežnik obdela zahtevo in pošlje odgovor nazaj. Tvoj usmerjevalnik ugotovi, kateri računalnik v omrežju je poslal zahtevo, in mu posreduje podatke.
Praktičen primer: Ko igraš mrežno igro s prijatelji doma, vsa komunikacija poteka preko LAN-a - zato je povezava super hitra!
🎯 Ključno za razumevanje: Internet ni oblak, ampak fizično omrežje kablov in strežnikov po vsem svetu.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Praktični primeri iz življenja
Primer 1: Ko se s prijatelji povežete na isto Wi-Fi omrežje za igranje, vsak dobi svoj lokalni IP. En računalnik postane strežnik, ostali pa odjemalci - komunikacija je hitra, ker ne gre preko interneta.
Primer 2: Dostop do spletne učilnice poteka drugače. Tvoj računalnik (odjemalec) pošlje zahtevo preko interneta do šolskega strežnika, ta pa ti vrne spletno stran.
Razlika je jasna: LAN komunikacija je lokalna in hitra, WAN komunikacija pa gre preko interneta in je počasnejša.
📚 Za test zapomni: LAN = majhno in lokalno, WAN = veliko in internetno.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Hiter pregled za ponavljanje
Osnovni pojmi: Omrežje povezuje naprave za izmenjavo podatkov. Strežnik nudi storitve, odjemalec jih zahteva. IP naslov je unikatni naslov vsake naprave.
Vrste omrežij: LAN za lokalno povezavo (dom, šola), WAN za velike razdalje (internet).
Ključne naprave: Usmerjevalnik povezuje različna omrežja in ureja promet podatkov.
Komunikacija: Podatki potujejo v paketih po protokolu TCP/IP. Zasebni IP velja samo lokalno, javni IP pa te predstavlja na internetu.
🏆 Končni nasvet: Te osnove so temelj za razumevanje celotne digitalne komunikacije - obvladaj jih in ostalo bo sledilo!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user