Computer Science - 4CP0 PearsonEdexcel

The Internet And The World Wide Web

Bayani Gaba-gaba

"The internet" and "the web" get used as if they were the same thing, but they are not: one is the physical and addressing structure connecting billions of devices, the other is a service that runs on top of it, made of linked pages and the protocols that fetch them. Confusing the two is one of the most common mistakes students make in this topic.

This lesson separates the internet's structure, IP addressing and the domain name service, from the world wide web's own components: web servers, URLs, ISPs, HTTP, HTTPS and HTML. You will also compare IPv4 and IPv6 addressing, and see how a modem, router, switch and wireless access point combine to get a home or office onto the internet in the first place.

Manufura

  1. Understand what is meant by the internet and how the internet is structured (IP addressing, domain name service (DNS))
  2. Understand what is meant by the world wide web (WWW) and components of the WWW (web server URLs, ISP, HTTP, HTTPS, HTML)
  3. Understand the need for IP addressing standards and the formats of IPv4 and IPv6
  4. Understand the role of components used to access the internet (modem, router, switch, wireless access point (WAP)) and how these are combined

Taswirar tunani

An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.

Bude taswirar tunani a cikin manhaja

Katunan tunawa

Gwaji mai sauri kan abin da ake jarraba a wannan batu.

Yi atisayen wadannan katuna a cikin manhaja

Takardar Darasi

The internet is a vast, global network of interconnected networks, the physical and logical structure that lets any connected device exchange data with any other. The world wide web (WWW) is one service that runs on top of that structure: a system of linked, formatted pages, accessed using specific protocols and displayed by a browser. Email, file transfer and online gaming also run over the internet but are not part of the web. Every website requires the internet to exist; the internet existed, and is used for other things, without needing the web.

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Nazarin Darasi

Barka da kammala darasi akan The Internet And The World Wide Web. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. Which statement correctly distinguishes the internet from the world wide web? A) They are exactly the same thing B) The internet is the global network; the web is one service that runs on it C) The web is the hardware; the internet is the software D) The internet only carries email, not web pages Answer: B
  2. What is the purpose of the domain name service (DNS)? A) To encrypt data sent between a browser and a server B) To translate domain names into numerical IP addresses C) To connect wired devices on a local network D) To provide a household's connection to its ISP Answer: B
  3. Which of these is written in the IPv6 address format? A) 192.168.0.1 B) 172.16.254.1 C) 2001:0db8:0000:0042:0000:8a2e:0370:7334 D) 10.0.0.255 Answer: C
  4. In the URL https://www.example.com/about.html, which part is the protocol? A) www.example.com B) https C) about.html D) .com Answer: B
  5. Which hardware device connects multiple wired devices together on the same local network? A) Modem B) Router C) Switch D) Wireless access point Answer: C

Yi aikin wadannan tambayoyi a cikin manhaja

Yi aikin wadannan tambayoyi a cikin manhaja

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan The Internet And The World Wide Web? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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