Pratica di Shadowing: C in 100 Seconds - Impara a parlare inglese con i video
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C, a statically typed procedural programming language famous for making the world go round.
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It's the language behind many tools we take for granted, like the Windows, Linux, and Mac operating system kernels, databases like MySQL, interpreters for languages like
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Python, tools like Vim and Git, and countless others.
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It was created in 1972 by Dennis Ritchie at Bell Labs, where it would be used to develop the Unix operating system.
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It would go on to become the mother of all languages, inspiring the syntax of C++, C Sharp, Java, JavaScript, Perl,
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and PHP, just to name a few.
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It compiles directly to machine code and requires minimal runtime support,
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but is platform -dependent, meaning the executable is designed to run on a specific operating system.
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It's a high -level language designed for humans, yet provides low -level control over memory and hardware.
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There's no garbage collector.
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Instead, your code needs to manage its own memory.
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When you create a variable, it's assigned an address in memory.
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You can store that address in another variable called a pointer.
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When the variable is no longer needed, you'll need to free it to avoid memory leaks.
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To get started, install a C compiler.
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A popular choice is the GNU C compiler, or GCC.
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Create a file ending in .c, include any libraries you plan to use, then add a main function to it.
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This is where your program will start executing.
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There's no function keyword, and notice how it returns an integer type.
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A return value of 0 means success, while a return value of 1 means failure.
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There are only a few basic types in C.
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Create a variable by starting with a type, followed by a name and value.
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Use printf to print the value to the standard output, or put an ampersand in front of it to reference its address in memory.
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There's no string type, but instead char, which represents a 1 -byte character stored as an integer.
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A string can be created with an array of characters.
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Each letter will have its own memory address and be terminated by a null character.
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Another approach is to start with a pointer by adding a star character in front of the type, then we can allocate 4 bytes to it.
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Now assign a character to each index, ending with the null character to create a string.
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When you no longer need that memory allocated to your program, use free to release it back to the computer's RAM.
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The language is procedural and does not support object -oriented features, although you can create your own complex data types using structs.
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Now compile your code to machine instructions for your operating system using the C compiler.
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This has been the C programming language in 100 seconds.
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Hit the like button and subscribe if you want to see more short videos like this.
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Thanks for watching, and I will see you in the next one.
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Vocabolario e note di pronuncia per questa lezione
Questa lezione di conversazione si basa sul video “C in 100 Seconds”. Le parole che ritornano più spesso: memory, language, character, type, create. Questo video contiene 34 frasi e 487 parole da ripetere con lo shadowing. Il parlato dura 2:25. Chi parla va veloce, circa 202 parole al minuto: aspettati suoni legati e ridotti. Solo il 77% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.
Vocaboli chiave di questo video
15 parole del video che vale la pena imparare, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| variable aggettivo | [ˈvæɹ.i.ə.bl̩] | variabile, regolabile |
| string sostantivo | /stɹɪŋ/ | spago, stringa |
| assign verbo | /əˈsaɪn/ | assegnare, accantonare |
| pointer sostantivo | /ˈpɔɪn.təɹ/ | bacchetta |
| procedural aggettivo | /pɹəˈsiːd͡ʒ(ə)ɹəl/ | procedurale |
| output sostantivo | /ˈaʊtpʊt/ | risultato, produzione |
| database sostantivo | /ˈdeɪtəˌbeɪs/ | database, base di dati |
| hardware sostantivo | /ˈhɑɹdˌwɛɹ/ | ferramenta |
| dependent aggettivo | /dɪˈpɛndənt/ | dipendente |
| garbage sostantivo | /ˈɡɑɹ.bɪd͡ʒ/ | immondizia, spazzatura |
| install verbo | /ɪnˈstɔl/ | installare |
| instruction sostantivo | /ɪnˈstɹʌkʃən/ | istruzione, addestramento |
| minimal aggettivo | /ˈmɪn.ə.məl/ | minimo, minimale |
| array sostantivo | /əˈɹeɪ/ | abbigliamento, agghindamento |
| leak sostantivo | /liːk/ | falla, perdita |
Pronuncia a cui fare attenzione
- Parole lunghe — attenzione all’accento: procedural /pɹəˈsiːd͡ʒ(ə)ɹəl/, interpreter /ɪnˈtɝ.pɹɪ.tɚ/, executable /ˈɛksəkjutəbl/
I suoni difficili per chi parla italiano:
- Consonante finale — senza aggiungere una vocale dopo: output /ˈaʊtpʊt/, database /ˈdeɪtəˌbeɪs/, dependent /dɪˈpɛndənt/, garbage /ˈɡɑɹ.bɪd͡ʒ/, leak /liːk/
- /æ/ — più aperta della “e”: variable [ˈvæɹ.i.ə.bl̩], syntax /ˈsɪn.tæks/, allocate /ˈæl.ə.keɪt/, ampersand /ˈæm.pə(ɹ).sænd/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
- Registrati e confronta con l’originale, facendo attenzione a parole come variable, string, assign.
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.