Notes, abstracts, papers, exams and problems of Secondary education

Logistics

Logistics: The logistician found a load match of two shipments going to the same place. By engaging in collaboration, the two companies were able to both make a profit. The truck's trailer was empty on the deadhead leg of the trip. The load configuration model showed the best way to load the truck. The workers were pleased with the load planning software the company installed on their computers. The regulatory agency fined the company for not being in compliance with the rules. During the cost optimization meeting, ideas were tossed around to save the company money. We were able to load two less than full truckloads. Where's the load going? Is it going to a distribution center? Let's see if we can find a load match using the software.... Continue reading "Logistics and Aviation: Load Matching, Cargo Transportation, and Reported Speech" »

Who are Sampson and Gregory?

They are Lord Capulet's servants.

Why are they bored, aggressive, and playful?

Because they like fighting, but now there is peace in Verona, so they have to clean and do things that they don't like.

What is love for them?

Love for them is only sex.

Who is Abram?

He is a Montague's servant.

Who starts the fight? How? Why?

The fight began because Sampson and Gregory wanted to fight with Abram, and Abram started the fight because Sampson and Gregory were causing it.

Who is Benvolio? And Tybalt? Are they Montagues or Capulets?

Benvolio is Lord Montague's, Romeo's cousin. Tybalt is a Capulet and Juliet's cousin. They are enemies because they hate each other and they want to fight.

Why does Tybalt say it is not appropriate for Benvolio

Function Definition

A function definition in C++ consists of the statements that constitute a function. It includes:

• Name: The identifier of the function.
• Parameter List: Variables enclosed in parentheses that hold values passed to the function.
• Body: Statements within curly braces that perform the function's task.
• Return Type: The data type of the value the function returns (e.g., int, double, void if no value is returned).

Function Header

The function header declares the function. It consists of:

• Return Type
• Name
• Parameter List

For example: void evenOrOdd(int num). Note that there is no semicolon at the end of the header.

Function Return Type

• If a function returns a value, the return type must be specified (e.g., int main()).
• If a function doesn't return

C++ Loops: While, Do-While, and For

While Loop Format

while (condition)
{
    statements(s);
}

How While Loop Works

If the condition is true, the statement(s) are evaluated again. If false, the loop is exited.

While Loop Example

int val = 5;
while (val >= 0)
{
    cout << val << " ";
    val = val - 1;
}

A while loop is a pretest loop (the condition is evaluated before the loop executes).

• If the condition is initially false, the statement(s) in the body of the loop are never executed.
• If the condition is initially true, the statement(s) in the body will continue to be executed until the condition becomes false.

The loop must contain code to allow the condition to eventually become false so the loop can be exited. Otherwise, you have... Continue reading "C++ Loops and File Handling: A Deep Dive" »

Procurement: Adquirir

Stuff: Cosas

Staff: Personal

Stuffed: Relleno de

Parcels: Paquetes

Warehouse: Depósito

Freight Forward: Flete especializado

Tare Weight: Peso de tara

Internal Length: Longitud interna

Internal Height: Altura interna

Payload: Carga útil

Width: Anchura

Gross Weight: Peso bruto

Foreign Currency: Moneda extranjera

Overseas Markets: Mercados internacionales

Subsidiaries: Filiales

Exchange rate: Tasa de cambio

Diferencias entre active and passive voice:

Active: We use this room for our guests

Passive: This room is used for our guests

Active: Nikon makes the best cameras

Passive: The best cameras are made by Nikon

Must, Mustn't and Needn't

A) If/we/you/they/he/she/it + must

B) Use must when you think it is necessary to do something. Ejemplo: The windows... Continue reading "Procurement and Stuff: Understanding Terms and Grammar" »

Electricity and Atoms

Electricity is an electric charge. But there is much more behind than the simple statement:

• Where do the charges come from?
• How do we move them? Where do they move?
• How does an electric charge cause mechanical movement or invent things?

Atoms and Charge

To understand it we start with atoms, one of the basic blocks of life and matter. An atom is three different particles: electrons, protons and neutrons. Each atom has a central nucleus, where protons and neutrons are attached. Around the nucleus there is a group of electrons in orbit. The number defines which chemical element the atom represents. This set is called the atom's atomic number. Electrons are the operation of electricity In its most stable and balanced state, an atom... Continue reading "Understanding Electricity: Atoms, Charge, and Flow" »

Charles Darwin and the Discovery of Natural Selection

Charles Darwin made the groundbreaking discovery of natural selection. He observed that organisms with favorable traits are more likely to survive and reproduce, passing on those traits to future generations.

Artificial Selection: Shaping Outcomes through Human Intervention

Artificial selection involves deliberately pairing two organisms to produce desired traits in their offspring.

Gene Flow: The Transfer of Genes between Populations

Gene flow occurs when genes are transferred from one population to another through migration and mating.

Genetic Drift: Changes in Gene Frequency within a Population

Genetic drift refers to the random change in the frequency of a gene within a population. Over time,... Continue reading "Understanding the Mechanisms of Evolution: Natural Selection and More" »

GIRONDIST CONVENTION:Was the name given to the French National Assembly between 1792 and 1793.During that time, the Girondist held power.They proclaimed the Republic after was led by Robespierre. The king Louis XIV was executed in January of 1793 and the European monarchy declared war on France.

ROBESPIERRE:Was the leader of the Jacobins.In 1793 he entered the committee of public salvation, that is the government and from that moment on he became the most powerful man in France

DIRECTORY: was the government of France between 1795 and 1799.It was formed by five people for a limited period of time .One of them was Napoleon Bonaparte .It failed due to the impossibility of getting stability in France.Some electoral results were annulled.Finally Napoleón

Ancien Regime

The Ancien Regime was a social and political system characterized by an absolute monarchy, a stratified society, and an economic system based on agrarian subsistence. Religion held significant influence during this period.

Louis XIV

King Louis XIV of France, a member of the Bourbon dynasty, was a staunch supporter of absolute monarchy. He centralized legislative, executive, and judicial powers under his rule.

The Enlightenment

The Enlightenment, an intellectual movement that emerged spontaneously in 18th-century France, championed several key ideas:

• Trust in reason
• Faith in progress
• Belief in the power of education
• Nature as a guide for morality
• Criticism of the Ancien Regime, particularly its lack of separation of powers

The movement spread... Continue reading "The Age of Enlightenment and Revolutions: A Historical Overview" »