Prática de Shadowing: Embedded Systems Explained in 3 minutes - Aprenda a falar inglês com vídeo
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An embedded system is an autonomous electronic and computer system, with the goal of executing a well -defined task in real -time.
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Here we see the first difference from a PC, which is versatile because it can run many types of applications, whereas an embedded system only performs a dedicated function.
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Furthermore, embedded systems are often invisible to the user
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because they are integrated within a device
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that itself serves a function for example a microwave oven an
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airplane a washing machine etc domains of embedded systems are primarily
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found in the following areas first we have general computing similar to pc applications
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but integrated into an embedded system such as smartphones tablets etc
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then systems control such as motor control automotive applications aviation
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and navigation systems also signal processing with examples like radar sonar
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and video compression and finally communication and networks involving information transmission telephony
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and the internet for example
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so as you can see there are many embedded systems today
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embedded systems far outnumber computers in terms of quantity an embedded system typically consists of microcontroller that solves a specific problem,
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often subject to time and size constraints.
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A microcontroller is an integrated circuit that combines essential computer elements that includes a processor to provide computing power,
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a central memory, often limited, containing the program and data, sensors acting as inputs to receive information,
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such as temperature, vibration, humidity,
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proximity, pressure, or contact, and actuators or outputs that allow the embedded system to perform actions on the external real world environment.
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These can include LEDs, display screens, speakers, alarms, or a combination of these, as seen in an airplane cockpit.
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Finally, embedded systems are equipped with communication means that enable them to communicate via the internet with external applications and end users.
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This is the phenomenon of the Internet of Things, or IoT.
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It's important to note
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that there is a significant difference between embedded systems based on the device in
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which they are embedded and the complexity of the task they perform.
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On one hand, there are small -scale embedded systems with very simple hardware
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and software sufficient for basic tasks like a coffee machine that transforms your coffee capsule.
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On the other hand, there are advanced and sophisticated embedded systems found in devices like airplanes,
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designed to facilitate piloting and improve safety.
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The design of an embedded system typically depends on the characteristics and constraints of the device in which it is integrated.
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This includes considerations such as weight and size, program size and required execution time, especially for embedded systems with basic hardware.
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The appropriate hardware to run the software Energy consumption,
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optimized based on the size and complexity of the embedded system Continuity of operation,
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which requires embedded systems to withstand harsh external conditions such as vibrations, shocks, temperature variations, and weather And finally,
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manufacturing costs, determined by the aforementioned constraints Thanks a bunch for tuning in.
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To stay in the loop with all things tech and computer science, be sure to click that subscribe button and ring that notification bell.
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Goodbye.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível C1 usa o vídeo “Embedded Systems Explained in 3 minutes”. As palavras que mais se repetem: embedded, integrated, applications, device, computer. Este vídeo tem 37 frases e 509 palavras para praticar shadowing. A fala dura 3:48. O falante mantém um ritmo estável de cerca de 134 palavras por minuto, confortável para o shadowing. Apenas 75% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| embed verbo | /ɪmˈbɛd/ | encaixar, colocar |
| constraint substantivo | /kənˈstɹeɪnt/ | coação, compulsão |
| airplane substantivo | /ˈɛɹˌpleɪ̯n/ | avião, aeroplano |
| compute verbo | /kəmˈpjuːt/ | computar, calcular |
| vibration substantivo | /vaɪˈbɹeɪʃən/ | vibração |
| complexity substantivo | /kəmˈplɛk.sɪ.ti/ | complexidade |
| actuator substantivo | /ˈæk.tjuː.eɪ.tə(ɹ)/ | atuador |
| optimize verbo | /ˈɑptɪmaɪz/ | otimizar |
| outnumber verbo | /aʊtˈnʌmbə(ɹ)/ | exceder em número, disparidade |
| telephony substantivo | /təˈlɛf.ə.ni/ | telefonia |
| equip verbo | /ɪˈkwɪp/ | equipar |
| dedicate verbo | /ˈdɛdɪˌkeɪt/ | dedicar |
| aforementioned adjetivo | /əˈfɔɹˌmɛn.ʃənd/ | supracitado, sobredito |
| withstand verbo | /wɪðˈstænd/ | aguentar |
| versatile adjetivo | /ˈvɜː.səˌtaɪl/ | versátil |
Pronúncia para ficar de olho
- Os sons de “sh” e “zh”: vibration /vaɪˈbɹeɪʃən/, aforementioned /əˈfɔɹˌmɛn.ʃənd/, compression /kəmˈpɹɛʃ.ən/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/, navigation /nævɪˈɡeɪʃən/
- Palavras longas — acerte a sílaba tônica: microcontroller /ˈmaɪkɹoʊkənˌtɹoʊlɚ/, complexity /kəmˈplɛk.sɪ.ti/, actuator /ˈæk.tjuː.eɪ.tə(ɹ)/, telephony /təˈlɛf.ə.ni/, aforementioned /əˈfɔɹˌmɛn.ʃənd/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: embed /ɪmˈbɛd/, integrate /ˈɪn.tɪ.ɡɹeɪt/, constraint /kənˈstɹeɪnt/, compute /kəmˈpjuːt/, equip /ɪˈkwɪp/
- /l/ final — a língua toca o céu da boca, não vira “u”: versatile /ˈvɜː.səˌtaɪl/, capsule /ˈkæps(ə)l/, invisible /ɪnˈvɪzəb(ə)l/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como embed, constraint, airplane.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.