Notes, summaries, assignments, exams, and problems for Baccalaureate

Mechanical and Electromechanical Sensors

These sensors detect physical properties like displacement, pressure, acceleration, and force.

• Strain gauges: Used for measuring deformation or strain in materials.
• Accelerometers: Designed for measuring acceleration.
• Pressure sensors: Utilized for measuring fluid or gas pressure.

Thermal Sensors

Thermal sensors measure temperature variations through changes in electrical properties, thermal expansion, or thermal radiation.

• Thermocouples: These generate a voltage proportional to temperature difference.
• Resistance temperature detectors (RTDs): These measure resistance changes with temperature.
• Infrared sensors: These detect thermal radiation to measure temperature without contact.

Magnetic Sensors

Magnetic sensors... Continue reading "Essential Sensor Technologies and Their Applications" »

Common English Question Structures

How many languages does she speak? Where does she work? What do they supply?
How much does it cost? When did the company start? Where did they establish their headquarters?
Why did they cancel? How many did he order? Note: Did indicates the Past Simple tense.

Active and Passive Voice Transformations

Present Simple

• Active: Verb + -s/-es
• Passive: am / is / are + past participle

Past Simple

• Active: Verb + -ed (or irregular form)
• Passive: was / were + past participle

Future Simple

• Active: will + verb
• Passive: will be + past participle

Present Perfect

• Active: have / has + past participle
• Passive: have / has been + past participle

Modal Verbs

• Active: modal + verb
• Passive: modal + be + past participle

Comparative and Superlative Adjectives

• Big

Essential English Grammar Structures

Conditional Sentences

Conditional sentences express hypothetical situations and their consequences. They are categorized by the likelihood of the event occurring.

The Four Main Conditional Types

• Zero Conditional (Facts/Reality): Used for general truths or scientific facts.

  Formula: If + Subject + V (Simple Present), Subject + V (Simple Present)

• First Conditional (Probable Future): Used for probable future events.

  Formula: If + Subject + V (Simple Present), Subject + will/won't + V (Base Form)

• Second Conditional (Improbable/Advice): Used for hypothetical present or future situations, or for giving advice.

  Formula: If + Subject + V (Simple Past), Subject + would + V (Base Form)

• Third Conditional (Regret/Past Counterfactual)

Understanding Operating System Memory and File Structures

Virtual Memory Concepts

Virtual memory is a fundamental concept in modern operating systems, offering several key advantages:

1. There are many cases where an entire program is not needed in main memory at a given time.
2. Even when the entire program is needed, it may not all be required simultaneously.
3. Application programs always perceive the availability of a contiguous working address space due to the concept of virtual memory.
4. Actually, this working memory can be physically fragmented and may even overflow onto disk storage.
5. This technique makes programming of large applications easier and utilizes real physical memory more efficiently than systems without virtual memory.
6. Although an executing

Essential English Collocations

• A wise decision: A thoughtful or sensible resolution or verdict.
• Have the freedom to choose: Have the liberty to select or decide.
• Reach a decision: Make up your mind or take a verdict.
• Take advice: Receive or accept counsel.

Key Vocabulary

• Struggle (v): Fight.
• Account (n): Consideration or explanation.
• Current (adj): Present, ongoing, or modern.
• Get a foot in the door: To have an initial opportunity.
• Hands-on (adj): Involved, active experience of something.
• Invest (v): Put money into something or provide resources.
• On the look-out: Searching for something or someone.
• Suit (v): To match or to please.

Common Phrasal Verbs

• Think over: Consider or weigh up.
• Weigh up: Consider or evaluate.
• Settle on: Accept, receive, or pick.
• Lose

Modelos de Examen

Convocatoria Ordinaria

• 2017-2018: Opción A: Selfie Accidents | Opción B: The Legend of the Bermuda Triangle
• 2018-2019: Opción A: Parents Join Facebook to Spy | Opción B: The Dangers of Perfume
• 2019-2020: Opción A: Anne Morrow Lindbergh | Opción B: Horse Against Owner
• 2020-2021: Opción A: Flashes on the Moon | Opción B: Is Reading Affected by Gender?
• 2021-2022: Opción A: The Future of Jobs and Skills | Opción B: Social Media and Mental Health
• 2022-2023: Opción A: Why is Bangkok the Most Visited City in the World?
• 2023-2024: Nobel Prize for Studying Neanderthal | Texto B: TikTok’s Rise

Convocatoria Extraordinaria

• 2017-2018: Opción A: Saving the British Pub | Opción B: Fancy a Lab-Grown Burger?
• 2018-2019: Opción A: Vampire

Support Vector Machines (SVM)

Support Vector Machines (SVM) are powerful supervised machine learning algorithms used for classification and regression tasks. They work by finding the optimal boundary (or hyperplane) that separates different classes in the data.

Imagine you have a dataset with two classes of points belonging to different categories, such as cats and dogs. SVM aims to draw a straight line (or hyperplane) that best separates these two classes while maximizing the margin. The margin is the distance between the hyperplane and the nearest points from each class, known as support vectors.

SVM Example: Classifying Cats and Dogs

Let's illustrate SVM with a dataset of cats and dogs, aiming to classify them based on their weights (in kilograms)... Continue reading "SVM and Naive Bayes: Machine Learning Classification Fundamentals" »

The Disappearance of Russell Pickett

The story begins when two best friends, Aza and Daisy, discover that a billionaire has disappeared. The police are offering a significant financial reward in exchange for information regarding his whereabouts.

Aza Holmes and Her Battle with OCD

The protagonist, Aza, constantly struggles with intrusive thoughts about contracting bacteria. These thoughts often spiral until she feels she has lost control of her life, frequently leading to severe panic attacks.

The Investigation and the Tuatara

While investigating the disappearance, they realize that Aza was childhood friends with the billionaire's son, Davis. They also learn that the billionaire has left his entire inheritance to his pet tuatara, Tua.

Reconnecting

Film: Kung Fu Panda

Kung Fu Panda, released in 2008, was produced by DreamWorks Animation and directed by Mark Osborne. It is a delightful animated film that has captured the hearts of many. Its action and comedy provide the perfect blend of humor, heart, and martial arts adventure, introducing us to the hero, Po the panda, who constantly surprises the audience.

The Journey of the Dragon Warrior

We follow the story of Po, a funny and lovable panda who dreams of becoming a kung fu master. His aspirations seem ridiculous until he is unexpectedly chosen as the Dragon Warrior, with the objective of defeating the villain, Tai Lung. Along the way, we meet many characters, including Master Shifu and the skilled members of the Furious Five. Together,... Continue reading "Kung Fu Panda Review and Best Japanese Dining in Sabadell" »