Pratique du Shadowing: 10+ Key Memory & Storage Systems: Crash Course System Design #5 - Apprendre l'anglais à l'oral avec la vidéo
Choisissez un mode d'entraînement
Chaque mode ouvre une salle d'entraînement en plein écran.
42 phrases
Si les phrases sont trop courtes ou trop longues, cliquez sur Edit pour les ajuster.
1
Today, we're diving into the world of computer memory and storage.
2
Let's get started.
3
First up, we have the fundamental dual, RAM and ROM.
4
RAM or Random Access Memory is a type of memory that stores data temporarily while the computer is running.
5
is fast and flexible, juggling all the programs we are running at any given moment.
6
However, RAM is volatile, meaning it loses its stored data when the power is turned off.
7
ROM, or read-only memory, is a type of memory that retains data even when the power is off.
8
It is non-volatile and used to store essential information, like firmware and the BIOS, that your computer needs to boot up.
9
Now let's explore the different types of RAM, including SRAM, DRAM, and everything in between.
10
SRAM or Static Random Access Memory is a fast
11
and expensive type of RAM used in high speed applications like CPU caches where quick access time is crucial.
12
DRAM or dynamic random access memory is lower and cheaper than SRAM.
13
It needs to be constantly refreshed to retain data, making it more high maintenance.
14
There are many types of DRAM including FPM DRAM, EDO DRAM, SDRAM, and DDL DRAM,
15
with each generation bringing faster speeds and increased efficiency.
16
Many are obsolete, and the common types of DRAM in the market today are DDL variants like DDR4 and DDR5.
17
GDDR is also worth mentioning.
18
It is a specialized type of DRAM optimized for faster data transfer rate,
19
which the GPU needs for its massive parallel processing.
20
GDDR6 is the most widely used today.
21
Now let's dive into some essential roles of ROM, firmware and BIOS.
22
Firmware is a type of software stored in ROM that controls how hardware devices communicate with each other.
23
BIOS, or Basic Input Output System, is the first software your computer runs when you power it up.
24
It's responsible for starting your computer, initializing hardware components and handing over control to the operating system.
25
Now let's explore hard disk drives and solid state drives.
26
Hard disk drives or HDDs have been around for a long time.
27
They store data on spinning magnetic disks and are known for their lower storage capacity at a low price.
28
Solid state drives or SSDs use NAND based flash memory,
29
providing fast data access, reduce power consumption and increased durability compared to hard disk drives, but come at a higher price.
30
NVMe or Non-Volatile Memory Express is a high performance interface for SSDs that connects directly to the CPU via PCIe lanes.
31
This allows for lower latency and significantly faster data transfer rates compared to SATA based SSDs.
32
Need to take your data on the go?
33
Let's talk about flash drives and SD cards.
34
Flash drives, also known as USB drives or thumb drives, are small plug and play devices you can use with any USB port.
35
They're easy to use and perfect for transferring files between computers.
36
SD cards are commonly found in cameras and smartphones.
37
They're smaller than a postage stamp but can store thousands of files.
38
SD card comes in three main physical sizes, SD, micro SD and mini SD.
39
And there you have it, our quick journey through the world of computer memory and storage.
40
If you like our videos, you may like our system design newsletter as well.
41
We cover topics and trends in large scale system design, trusted by 300,000 readers.
42
Subscribed at blog.bitebygo.com.
Télécharger l'application
Tout pour parler couramment
Prononciation IAChaque phrase notée
Phonétique (IPA)Maîtrisez chaque son
VocabulaireEnrichissez votre lexique
Jeu de vocabulaireApprenez en jouant
Même chaîne
C13
Proxy vs Reverse Proxy (Real-world Examples)
Daily ConversationUniversity StudentsWorking Adults
C12
Cache Systems Every Developer Should Know
Daily ConversationUniversity StudentsWorking Adults
C12
Top 5 Redis Use Cases
Daily ConversationUniversity Students
C13
Everything You Need to Know About DNS: Crash Course System Design #4
Daily ConversationUniversity StudentsWorking Adults
C12
CAP Theorem Simplified
Daily ConversationUniversity StudentsWorking Adults
C12
What Is REST API? Examples And How To Use It: Crash Course System Design #3
Daily ConversationUniversity StudentsWorking Adults
C18
8 Most Important System Design Concepts You Should Know
Daily ConversationUniversity StudentsWorking Adults
C11
The Secret Sauce Behind NoSQL: LSM Tree
Daily ConversationUniversity StudentsWorking Adults
C11
System Design: Why is Kafka fast?
Business EnglishUniversity StudentsWorking Adults
C16
What Are Microservices Really All About? (And When Not To Use It)
Business EnglishUniversity StudentsWorking Adults
C13
System Design Was HARD - Until You Knew the Trade-Offs
Daily ConversationUniversity StudentsWorking Adults
C13
How Does a URL Shortener Work?
Business EnglishInterview EnglishUniversity Students
C13
System Design: Why is Kafka Popular?
Business EnglishUniversity StudentsWorking Adults
C14
What is API Gateway?
Business EnglishUniversity StudentsWorking Adults
C150
Kubernetes Explained in 6 Minutes | k8s Architecture
Business EnglishUniversity StudentsWorking Adults
C24
What Is Redis Really About? Why Is It So Popular?
Business EnglishUniversity StudentsWorking Adults
C1FANG Interview Question | Process vs Thread
Daily ConversationUniversity Students
B2How Git Works: Explained in 4 Minutes
Business EnglishUniversity StudentsWorking Adults
FOR YOU
Vidéo recommandée
C112
79 phrases
The 15% Rule: How to Learn Faster | Andrew Huberman
Daily ConversationUniversity StudentsWorking Adults
C11
27 phrases
You are wasting memory
Daily ConversationUniversity StudentsWorking Adults
C12
119 phrases
Introduction to RTOS Part 1 - What is a Real-Time Operating System (RTOS)? | Digi-Key Electronics
Business EnglishUniversity StudentsWorking Adults
C12
192 phrases
Making RAM at Home
Business EnglishUniversity StudentsWorking Adults
C1231 phrases
Redis Crash Course - the What, Why and How to use Redis as your primary database
Daily ConversationUniversity StudentsWorking Adults
C13
136 phrases
Early Computing: Crash Course Computer Science #1
Business EnglishUniversity StudentsWorking Adults
C15
68 phrases
Unit 5
Business EnglishUniversity StudentsWorking Adults
C11
65 phrases
How do microSD Cards Store 2 TB in such a TINY space?
Daily ConversationUniversity StudentsWorking Adults
B21
375 phrases
Configure storage accounts | AZ-104 | Episode 16
Daily ConversationUniversity StudentsWorking Adults
C12
187 phrases
Watch this before you boot up another device
Business EnglishUniversity StudentsWorking Adults
Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale de niveau C1 s’appuie sur la vidéo « 10+ Key Memory & Storage Systems: Crash Course System Design ». Les mots qui reviennent le plus souvent : memory, drives, Dram, type, computer. Cette vidéo contient 42 phrases et 570 mots à répéter en shadowing. La partie parlée dure 4:06. Le locuteur parle à un rythme régulier d’environ 139 mots par minute, confortable pour le shadowing. Seuls 73 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.
Vocabulaire clé de cette vidéo
Les 15 mots les plus avancés de la vidéo, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| disk nom | /dɪsk/ | disque |
| firmware nom | micrologiciel, firmware | |
| volatile adjectif | /ˈvɑ.lə.təl/ | volatil |
| durability nom | /dəɹəˈbɪləti/ | durabilité, résistance |
| initialize verbe | /ɪˈnɪʃəlaɪz/ | initialiser |
| juggling nom | /ˈd͡ʒʌɡəlɪŋ/ | jonglage, jonglerie |
| latency nom | /ˈleɪ.tən.si/ | latence |
| optimize verbe | /ˈɑptɪmaɪz/ | agir en optimiste |
| specialize verbe | /ˈspɛʃəˌlaɪz/ | spécialiser |
| postage nom | /ˈpoʊstɪd͡ʒ/ | affranchissement |
| cache nom | /kæʃ/ | cache, mémoire cache |
| refresh verbe | /ɹɪˈfɹɛʃ/ | revigorer, rafraîchir |
| obsolete adjectif | /ˈɑbsəlit/ | obsolète |
| newsletter nom | /ˈn(j)uzˌlɛtɚ/ | bulletin, lettre d'information |
| variant nom | /ˈvæɹi.ənt/ | variante |
Les verbes à particule que vous entendrez
| Mot | Sens |
|---|---|
| hand over verbe | remettre, donner |
| turn off verbe | éteindre |
Prononciation à surveiller
Le locuteur utilise 3 contractions et formes réduites, comme they're, we're. Prononcez-les sous leur forme courte, telles que vous les entendez.
- Les sons « sh » et « zh »: initialize /ɪˈnɪʃəlaɪz/, specialize /ˈspɛʃəˌlaɪz/, cache /kæʃ/, refresh /ɹɪˈfɹɛʃ/
- Mots longs — placez bien l’accent: durability /dəɹəˈbɪləti/, initialize /ɪˈnɪʃəlaɪz/, temporarily /ˌtɛmpəˈɹɛɹəli/
Les sons difficiles pour les francophones :
- /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: juggling /ˈd͡ʒʌɡəlɪŋ/, postage /ˈpoʊstɪd͡ʒ/
- /r/ anglais — langue recourbée, sans frotter la gorge: durability /dəɹəˈbɪləti/, refresh /ɹɪˈfɹɛʃ/, variant /ˈvæɹi.ənt/, microwave /ˈmaɪkɹoʊˌweɪv/, subscribe /səbˈskɹaɪb/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme disk, firmware, volatile.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.