MundarijaQuyidagi roʻyxatdan mundarija sifatida foydalaning. Boblarga boʻlingan har bir qatorda mavzu nomlari berilgan. Mavzu ustiga bosib

Mundarija

Quyidagi roʻyxatdan mundarija sifatida foydalaning. Boblarga boʻlingan har bir qatorda mavzu nomlari berilgan. Mavzu ustiga bosib, kerakli videoga shu zahoti oʻting.

I bob: algoritmlar
1. Algoritm oʻzi nima va u nega muhim?

II bob: kriptografiya
2. Kriptografiya nima?
3. Sezar shifri
4. Koʻp alifboli shifr
5. Bir martalik tasodifiy kalit
6. Chastota turgʻunligi xususiyati
7. Enigma shifrlash mashinasi
8. Mutlaq xavfsizlik
9. Tasodifiy raqamlar generatorlari
10. Arifmetikaning asosiy teoremasi
11. Ochiq kalit kriptografiyasi
12. Diskret logarifm masalasi
13. Diffi-Xellmen kalit almashinuvi
14. RSA shifrlash tizimi (1-qadam)
15. RSA shifrlash tizimi (2-qadam)
16. RSA shifrlash tizimi (3-qadam)
17. Eyler funksiyasi
18. RSA shifrlash tizimi (4-qadam)
19. Endi nimani oʻrganamiz?
20. Tub sonlarni topish sinovi
21. Kompyuter xotirasi nima?
22. Algoritmik samaradorlik
23. Eratosfen elagi
24. Elak yordamida tub sonlarni topish sinovi
25. Tub sonlar teoremasi
26. Xotira-vaqt bogʻliqligi
27. Xulosa (endi nimani oʻrganamiz?)
28. Tasodifiy algoritmlar. Kirish
29. Shartli ehtimollik
30. Tasodifiy tub sonni topish
31. Fermaning kichik teoremasi
32. Fermaning tub sonlarni topish sinovi

III bob: axborot nazariyasi
33. Axborot nazariyasi nima?
34. Yozma tilning kelib chiqishi
35. Alifbo tarixi
36. Rozetta toshi
37. Maʼlumotni kodlash
38. Vizual telegraflar
39. Elektrostatik telegraflar
40. Batareya va elektromagnetizm
41. Morze alifbosi va axborot asri
42. Belgi chastotasi
43. Aloqa tizimi hajmi. Kirish
44. Axborotni oʻlchash
45. Markov zanjiri
46. Aloqa tizimining matematik nazariyasi
47. Axborot entropiyasi
48. Siqish kodlari
49. Tuzatish kodlari
50. O’zga sayyoralarda ongli mavjudotlar qidiruvi

IV bob: kompyuterlar qanday ishlaydi?
51. Kompyuterlar qanday ishlaydi?
52. Kompyuterni nima kompyuter qiladi?
53. Ikkilik sanoq sistemasi va axborot
54. Mikrosxemalar va mantiq
55. MP, xotira, kiritish va chiqarish
56. Qurilmalar va dasturiy taʼminot

V bob: internet
57. Internet nima?
58. Simlar, kabellar va WiFi
59. IP manzillar va DNS
60. Paketlar, routerlar va ishonchlilik
61. HTTP va HTML
62. Shifrlash va ochiq kalitlar
63. Kiberxavfsizlik va jinoyat

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Date: 2025-06-14| Informatika | Khan Academy Oʻzbek

Telegram auto-delete message, expiring invites, and more

elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.

Export WhatsApp stickers to Telegram on Android

From the Files app, scroll down to Internal storage, and tap on WhatsApp. Once you’re there, go to Media and then WhatsApp Stickers. Don’t be surprised if you find a large number of files in that folder—it holds your personal collection of stickers and every one you’ve ever received. Even the bad ones.Tap the three dots in the top right corner of your screen to Select all. If you want to trim the fat and grab only the best of the best, this is the perfect time to do so: choose the ones you want to export by long-pressing one file to activate selection mode, and then tapping on the rest. Once you’re done, hit the Share button (that “less than”-like symbol at the top of your screen). If you have a big collection—more than 500 stickers, for example—it’s possible that nothing will happen when you tap the Share button. Be patient—your phone’s just struggling with a heavy load.On the menu that pops from the bottom of the screen, choose Telegram, and then select the chat named Saved messages. This is a chat only you can see, and it will serve as your sticker bank. Unlike WhatsApp, Telegram doesn’t store your favorite stickers in a quick-access reservoir right beside the typing field, but you’ll be able to snatch them out of your Saved messages chat and forward them to any of your Telegram contacts. This also means you won’t have a quick way to save incoming stickers like you did on WhatsApp, so you’ll have to forward them from one chat to the other.

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