Shadowing Practice: Embedded Systems Explained in 3 minutes - Learn English Speaking with Video
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1
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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Vocabulary and speaking notes for this lesson
This C1 speaking lesson is built on the video “Embedded Systems Explained in 3 minutes”. The speaker keeps coming back to these words: embedded, integrated, applications, device, computer. This video has 37 sentences and 509 words to shadow. The speech runs for 3:48. The speaker talks at a steady 134 words per minute, a comfortable pace for shadowing. Only 75% of the words are among the 3,000 most common in English, so the vocabulary is demanding.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| embed verb | /ɪmˈbɛd/ | To lay (something) as in a bed; to lay in surrounding matter; to bed. |
| integrate verb | /ˈɪn.tɪ.ɡɹeɪt/ | To include as a constituent part or functionality. |
| constraint noun | /kənˈstɹeɪnt/ | Something that constrains; a restriction. |
| airplane noun | /ˈɛɹˌpleɪ̯n/ | A powered heavier-than-air aircraft with fixed wings: a fixed-wing aircraft with at least one engine or electric motor. |
| compute verb | /kəmˈpjuːt/ | To reckon, calculate. |
| microcontroller noun | /ˈmaɪkɹoʊkənˌtɹoʊlɚ/ | A microcomputer on a single chip, used to control some device such as an automobile engine or a toy. |
| vibration noun | /vaɪˈbɹeɪʃən/ | The act of vibrating or the condition of being vibrated. |
| complexity noun | /kəmˈplɛk.sɪ.ti/ | The state of being complex; intricacy; entanglement. |
| actuator noun | /ˈæk.tjuː.eɪ.tə(ɹ)/ | Something that actuates something else. |
| optimize verb | /ˈɑptɪmaɪz/ | To act optimistically or as an optimist. |
| outnumber verb | /aʊtˈnʌmbə(ɹ)/ | To be more in number than somebody or something. |
| telephony noun | /təˈlɛf.ə.ni/ | The act of sound transmission via the electromagnetic spectrum. |
| equip verb | /ɪˈkwɪp/ | To supply with something necessary in order to carry out a specific action or task; to provide with (e.g. weapons, provisions, munitions, rigging). |
| dedicate verb | /ˈdɛdɪˌkeɪt/ | To set apart for a deity or for religious purposes; consecrate. |
| aforementioned adjective | /əˈfɔɹˌmɛn.ʃənd/ | Previously mentioned. |
Pronunciation to watch
- The “sh” and “zh” sounds: vibration /vaɪˈbɹeɪʃən/, aforementioned /əˈfɔɹˌmɛn.ʃənd/, compression /kəmˈpɹɛʃ.ən/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/, navigation /nævɪˈɡeɪʃən/
- Long words — get the stress right: microcontroller /ˈmaɪkɹoʊkənˌtɹoʊlɚ/, complexity /kəmˈplɛk.sɪ.ti/, actuator /ˈæk.tjuː.eɪ.tə(ɹ)/, telephony /təˈlɛf.ə.ni/, aforementioned /əˈfɔɹˌmɛn.ʃənd/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
- Record yourself and compare with the original, paying attention to words like embed, integrate, constraint.
מהי טכניקת השאדואינג?
שאדואינג היא טכניקת למידת שפה מבוססת מדע שפותחה במקור להכשרת מתורגמנים מקצועיים ופופולרית על ידי הפוליגלוט ד"ר אלכסנדר ארגואלס. השיטה פשוטה אך עוצמתית: אתה מקשיב לאודיו באנגלית ילידית וחוזר עליו בקול רם מיד — כמו צל העוקב אחרי הדובר עם עיכוב של 1–2 שניות בלבד. בניגוד להאזנה פסיבית או תרגילי דקדוק, שאדואינג מכריח את המוח והשרירים בפה לעבד ולשחזר דפוסי דיבור אמיתיים בו זמנית. מחקרים מראים שזה משפר משמעותית את דיוק ההגייה, האינטונציה, הקצב, הדיבור המחובר, הבנת השמיעה ושטף הדיבור — מה שהופך אותו לאחת השיטות היעילות ביותר להכנה לIELTS Speaking ולתקשורת באנגלית בעולם האמיתי.