Shadowing Practice: 10+ Key Memory & Storage Systems: Crash Course System Design #5 - Learn English Speaking with Video
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Today, we're diving into the world of computer memory and storage.
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Let's get started.
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First up, we have the fundamental dual, RAM and ROM.
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RAM or Random Access Memory is a type of memory that stores data temporarily while the computer is running.
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is fast and flexible, juggling all the programs we are running at any given moment.
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However, RAM is volatile, meaning it loses its stored data when the power is turned off.
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ROM, or read-only memory, is a type of memory that retains data even when the power is off.
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It is non-volatile and used to store essential information, like firmware and the BIOS, that your computer needs to boot up.
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Now let's explore the different types of RAM, including SRAM, DRAM, and everything in between.
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SRAM or Static Random Access Memory is a fast
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and expensive type of RAM used in high speed applications like CPU caches where quick access time is crucial.
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DRAM or dynamic random access memory is lower and cheaper than SRAM.
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It needs to be constantly refreshed to retain data, making it more high maintenance.
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There are many types of DRAM including FPM DRAM, EDO DRAM, SDRAM, and DDL DRAM,
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with each generation bringing faster speeds and increased efficiency.
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Many are obsolete, and the common types of DRAM in the market today are DDL variants like DDR4 and DDR5.
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GDDR is also worth mentioning.
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It is a specialized type of DRAM optimized for faster data transfer rate,
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which the GPU needs for its massive parallel processing.
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GDDR6 is the most widely used today.
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Now let's dive into some essential roles of ROM, firmware and BIOS.
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Firmware is a type of software stored in ROM that controls how hardware devices communicate with each other.
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BIOS, or Basic Input Output System, is the first software your computer runs when you power it up.
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It's responsible for starting your computer, initializing hardware components and handing over control to the operating system.
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Now let's explore hard disk drives and solid state drives.
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Hard disk drives or HDDs have been around for a long time.
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They store data on spinning magnetic disks and are known for their lower storage capacity at a low price.
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Solid state drives or SSDs use NAND based flash memory,
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providing fast data access, reduce power consumption and increased durability compared to hard disk drives, but come at a higher price.
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NVMe or Non-Volatile Memory Express is a high performance interface for SSDs that connects directly to the CPU via PCIe lanes.
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This allows for lower latency and significantly faster data transfer rates compared to SATA based SSDs.
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Need to take your data on the go?
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Let's talk about flash drives and SD cards.
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Flash drives, also known as USB drives or thumb drives, are small plug and play devices you can use with any USB port.
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They're easy to use and perfect for transferring files between computers.
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SD cards are commonly found in cameras and smartphones.
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They're smaller than a postage stamp but can store thousands of files.
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SD card comes in three main physical sizes, SD, micro SD and mini SD.
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And there you have it, our quick journey through the world of computer memory and storage.
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If you like our videos, you may like our system design newsletter as well.
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We cover topics and trends in large scale system design, trusted by 300,000 readers.
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Bu dersin kelimeleri ve konuşma notları
Bu C1 seviyesindeki konuşma dersi “10+ Key Memory & Storage Systems: Crash Course System Design” videosuna dayanıyor. En çok tekrarlanan kelimeler: memory, drives, Dram, type, computer. Bu videoda gölgeleme çalışması için 42 cümle ve 570 kelime var. Konuşma bölümü 4:06 sürüyor. Konuşmacı dakikada yaklaşık 139 kelimelik dengeli bir hızla konuşuyor; gölgeleme için rahat bir tempo. Kelimelerin yalnızca %73’i İngilizcede en sık kullanılan 3.000 kelime arasında, bu yüzden kelime dağarcığı zorlayıcı.
Bu videodaki önemli kelimeler
Videodaki en ileri düzey 15 kelime, telaffuzu ve anlamıyla:
| Kelime | Telaffuz | Anlam |
|---|---|---|
| disk isim | /dɪsk/ | disk, ağırşak |
| firmware isim | donanım yazılımı, bellenim | |
| volatile sıfat | /ˈvɑ.lə.təl/ | uçucu |
| durability isim | /dəɹəˈbɪləti/ | dayanıklılık |
| initialize fiil | /ɪˈnɪʃəlaɪz/ | ilklendirmek |
| juggling isim | /ˈd͡ʒʌɡəlɪŋ/ | jonglörlük |
| latency isim | /ˈleɪ.tən.si/ | gecikme, gizlilik |
| postage isim | /ˈpoʊstɪd͡ʒ/ | posta ücreti |
| cache isim | /kæʃ/ | önbellek |
| obsolete sıfat | /ˈɑbsəlit/ | eskimiş |
| newsletter isim | /ˈn(j)uzˌlɛtɚ/ | haber bülteni |
| variant isim | /ˈvæɹi.ənt/ | çeşitlilik, değişim |
| microwave isim | /ˈmaɪkɹoʊˌweɪv/ | mikrodalga |
| thumb isim | /ˈθʌm/ | başparmak |
| subscribe fiil | /səbˈskɹaɪb/ | abone olmak |
Duyacağınız deyimsel fiiller
| Kelime | Anlam |
|---|---|
| turn off fiil | kapamak |
Dikkat edilecek telaffuzlar
Konuşmacı they're, we're gibi kısaltılmış biçimleri 3 kez kullanıyor. Bunları duyduğunuz gibi kısa söyleyin.
- “sh” ve “zh” sesleri: initialize /ɪˈnɪʃəlaɪz/, specialize /ˈspɛʃəˌlaɪz/, cache /kæʃ/, refresh /ɹɪˈfɹɛʃ/
- Uzun kelimeler — vurguyu doğru yere koyun: durability /dəɹəˈbɪləti/, initialize /ɪˈnɪʃəlaɪz/, temporarily /ˌtɛmpəˈɹɛɹəli/
Türkçe konuşanların zorlandığı sesler:
- Kelime başındaki ünsüz kümesi — araya ünlü eklemeyin: specialize /ˈspɛʃəˌlaɪz/, newsletter /ˈn(j)uzˌlɛtɚ/, smartphone /ˈsmɑɹtfoʊn/
- /æ/ — “e”den daha açık: cache /kæʃ/, variant /ˈvæɹi.ənt/
Bu videoyla nasıl çalışılır
- Videonun tamamını konuşmadan bir kez dinleyin ve bilmediğiniz kelimeleri not edin.
- Normal hızda cümle cümle tekrar edin; ritminiz konuşmacıyla aynı olana kadar her cümleyi yineleyin.
- Kendinizi kaydedin ve orijinaliyle karşılaştırın; disk, firmware, volatile gibi kelimelere özellikle dikkat edin.
Gölgeleme Tekniği Nedir?
Gölgeleme, başlangıçta profesyonel tercüman eğitimi için geliştirilen ve çok dilli Dr. Alexander Arguelles tarafından popüler hale getirilen, bilim destekli bir dil öğrenme tekniğidir. Yöntem basit ama güçlüdür: ana dili İngilizce olan bir sesi dinler ve hemen yüksek sesle tekrar edersiniz — konuşmacıyı 1-2 saniye gecikmeyle takip eden bir gölge gibi. Pasif dinleme veya dilbilgisi alıştırmalarının aksine, gölgeleme beyninizi ve ağız kaslarınızı gerçek konuşma kalıplarını eşzamanlı olarak işlemeye ve yeniden üretmeye zorlar. Araştırmalar, telaffuz doğruluğu, tonlama, ritim, bağlı konuşma, dinleme anlama ve konuşma akıcılığını önemli ölçüde geliştirdiğini göstermektedir — bu da onu IELTS Konuşma hazırlığı ve gerçek dünya İngilizce iletişimi için en etkili yöntemlerden biri yapar.