Key Concepts
Muhtasari
A web page you look at is not a file sitting on a computer somewhere waiting to be collected. It is the end of a short assembly line. Something on a distant machine may have built it a fraction of a second ago out of a template and a database query; the browser then decided how it should look; and code running inside the browser is watching for you to click something. Four different things are at work, in two different places, and knowing which is which is the whole of this topic.
This lesson separates them. You will learn that HTML creates the structure of a page while CSS changes its style, why keeping those two apart is worth the trouble, and the difference between server-side scripting, which builds pages before they are sent, and client-side scripting, which adds functionality once they have arrived. That last distinction, where the code runs, decides almost everything else about what each kind of script can and cannot do.
Malengo
- Know that web pages can be constructed using HTML and CSS. Know that HTML is used to create the structure of a web page and that CSS can be used to change the style of the page. Understand that server-side scripting languages can be used on a web server for dynamic generation of web pages. Understand that client-side scripting languages can be used to add additional functionality to web pages.
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Maelezo ya Somo
Dokezo Kamili la Somo Linapatikana kwenye Programu ya Green Bridge
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Tathmini ya Somo
Hongera kwa kukamilisha somo la Key Concepts. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.
Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.
Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.
- What is HTML used for? A. To create the structure of a web page B. To change the colours and fonts of a page C. To store data in a database D. To encrypt data sent across a network Answer: A
- What is CSS used for? A. To create the structure of a web page B. To change the style of a web page C. To run code on a web server D. To connect two networks together Answer: B
- Where does a server-side script run? A. In the visitor's browser B. On the web server C. On the visitor's router D. In the page's CSS file Answer: B
- Which task is most suitable for a client-side scripting language? A. Checking a password against the stored one B. Reading a customer's order history from a database C. Expanding a section of a page when it is clicked D. Deciding whether a discount code is genuine Answer: C
- Why must a check that matters be repeated on the server even if it is done in the browser? A. Because browsers cannot run scripts B. Because client-side code is sent to the visitor and can be read, altered or switched off C. Because CSS overrides client-side script D. Because HTML cannot contain forms Answer: B
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Vitabu Vinavyopendekezwa
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