IGCSE Computer Science Paper 1 Word Scramble: 5.1 The Internet and the World Wide Web (Modules 477–489)
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Word scramble
Unscramble the letters and write each key term on the line.
1
VNATIIGANO OSOLT
Browser buttons such as back, forward, refresh and home that let the user move between web pages, reload the current page and return to a starting page.
2
OOEIKC
A small file a website sends to your browser. The browser stores it on your device and sends it back to that website on later visits. Browser settings can block or delete it.
3
ERBSWRO NIUTCONF
A browser tool that meets a user need: bookmarks return to a favourite site, tabs open many pages at once, history finds an old page, back goes one page.
4
MIODNA ENAM
An easy-to-remember name, like example.com, that stands in for a numeric IP address. It must be converted into the IP address before the computer can find the web server.
5
SND
Domain name server: stores a list of domain names with their matching IP addresses. Give it a domain name and it returns the IP address. Many ______ servers exist across the internet.
6
SDN PLKOOU
The browser sends a domain name to a DNS server, which searches for it and returns the matching IP address. If it has no match, it passes the request to another DNS server.
7
BEW REVERS
A computer that stores website files and sends them to a browser (the client) over the internet using HTTP when the browser asks for a page. It is always switched on and connected.
8
THTP TEQEURS
A message the browser sends to the web server's IP address asking for a page; the server replies with the page's HTML, or an error such as 404 if it does not exist.
9
IOESSSN OIKEOC
A cookie stored temporarily in memory while you browse. It has no expiry date, lasts only for one visit and is deleted when the browser is closed.
Answer Key
IGCSE Computer Science Paper 1 · Modules 477–489
1VNATIIGANO OSOLT → navigation tools — Browser buttons such as back, forward, refresh and home that let the user move between web pages, reload the current page and return to a starting page.
2OOEIKC → cookie — A small file a website sends to your browser. The browser stores it on your device and sends it back to that website on later visits. Browser settings can block or delete it.
3ERBSWRO NIUTCONF → browser function — A browser tool that meets a user need: bookmarks return to a favourite site, tabs open many pages at once, history finds an old page, back goes one page.
4MIODNA ENAM → domain name — An easy-to-remember name, like example.com, that stands in for a numeric IP address. It must be converted into the IP address before the computer can find the web server.
5SND → DNS — Domain name server: stores a list of domain names with their matching IP addresses. Give it a domain name and it returns the IP address. Many DNS servers exist across the internet.
6SDN PLKOOU → DNS lookup — The browser sends a domain name to a DNS server, which searches for it and returns the matching IP address. If it has no match, it passes the request to another DNS server.
7BEW REVERS → web server — A computer that stores website files and sends them to a browser (the client) over the internet using HTTP when the browser asks for a page. It is always switched on and connected.
8THTP TEQEURS → HTTP request — A message the browser sends to the web server's IP address asking for a page; the server replies with the page's HTML, or an error such as 404 if it does not exist.
9IOESSSN OIKEOC → session cookie — A cookie stored temporarily in memory while you browse. It has no expiry date, lasts only for one visit and is deleted when the browser is closed.