Active and Passive Voice Verb Tense Transformations

Tense Comparison Table

TenseActive Sentence ExamplePassive Sentence Example
PresentI write a letter.The letter is written.
Present ContinuousI’m writing a letter.The letter is being written.
PastI wrote a letter.The letter was written.
Past ContinuousI was writing a letter.The letter was being written.
Present PerfectI’ve written a letter.The letter has been written.
Past PerfectI had written a letter.The letter had been written.

Common Irregular Verb Forms (Base, Past Simple, Past Participle)

This list

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Mixo vs. Segundo Plato: Automation and Social Impact in Food Tech

Mixo: Automated Beverage Service

Mixo is a startup founded in 2020 by Uruguayan entrepreneur Martín Cohen, based in Barcelona, Spain. The company has developed an innovative self-service machine designed to prepare and serve mixed alcoholic beverages, such as gin and tonics or rum and colas, in under 30 seconds.

Key Features of Mixo

  • Efficiency: The machine addresses the common issue of long queues at bars and nightclubs by delivering drinks rapidly, enhancing customer satisfaction and increasing sales
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Fundamentals of Business Structure and Entrepreneurial Success

The Company Structure

1.1 Corporate Functions and Objectives

Any company performs two basic functions: buying and selling.

Firms sell goods and services demanded by households. In turn, firms need to buy productive assets held by families, mainly labor (manpower) and capital (money). Households consume and pay for these goods or services using the wages and interest they receive from the firms.

1.2 Essential Business Elements

A company is typically composed of four main groups:

A. The Team (Human Resources)

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Criminological Theories and Property Crime Prevention Strategies

Policy Evaluation and Decision Making

It is regrettable (e.g., concerning a program in a neighborhood or a law regarding gender violence) if the former is positive or, conversely, if one must reject the measure and propose alternatives to it.

5. Theories of Property Crime

Any theory of crime against property must be based on a hypothesis about the social dispersion of crime. There are two opposing versions:

  1. The “Rotten Apples” Hypothesis

    This theory suggests that a few individuals engage in antisocial

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Fundamentals of Operating Systems: Architecture and Concurrency

Chapter 1: Introduction to Operating Systems

Components of a Computer System

A computer system consists of four essential components:

  • Computer Hardware: CPU, memory, I/O devices.
  • Operating Systems (OS)
  • Application Programs: Word processors, compilers, web browsers.
  • Users: People utilizing the machines.

Operating System Functions and Definition

  • User Goals: Users prioritize ease-of-use and performance.
  • Server Goals: Servers focus on balancing resource allocation.
  • Smartphone Goals: Optimization for usability.
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Global Economic Structures and Business Classification

Business Classification and Enterprise Types

Defining Business Types

  • Small and Medium Companies (SMEs): Usually refers to smaller businesses.
  • Companies/Enterprises: Generally refers to bigger businesses.

Classification Criteria

According to Size (Employees)

  • Small: Less than 50 employees.
  • PYMES (Pequeñas y Medianas Empresas): 50 to 250 employees.

According to Capital Ownership

  • Public companies
  • Private companies

According to Social Organization

  • Public Licensed Companies / Sociedad Anónima (S.A.)
  • Limited Companies
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The 17th Century: Crisis, Revolution, and the Age of Baroque

The European Economy in the 17th Century

Economic growth stagnated. Manufacturing and commerce declined, particularly in Southern Europe.

Causes of Economic Stagnation

  • The Thirty Years’ War.
  • A food crisis caused by stagnant agriculture.
  • The spread of the Black Plague.

Impact on Agriculture and Population

  • Agriculture: Constant wars caused a shortage in farm labor. There was a general decline in temperatures, which also hurt crops.
  • Population: Europe’s population grew at a very slow pace.

The Thirty Years’

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Mastering Databricks: Key Concepts and Features

🌐 Databricks Basics

What is Databricks?

  • Cloud platform for storing, processing, and analyzing data.

  • Built on Apache Spark → fast, scalable.

  • Lakehouse = one place for data lake + warehouse + ML.

  • Used for ETL, streaming, AI/ML.

Persist data (very important idea):

  • In-memory DataFrame dies when the cluster stops.

  • Persisted data = saved as Delta / Parquet / tables → survives cluster restarts.

Cluster = compute

  • A cluster = group of machines that run notebooks & jobs.

Notebooks & magics

  • Languages: Python,

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Understanding External Influences on Consumer Behavior

1. Explain What External Influences on Consumer Behavior Are
External influences are factors outside an individual that shape their buying decisions. These include:

  • Cultural Factors: Values, beliefs, and customs that define acceptable behavior.
  • Social Class: Income, occupation, and education influencing preferences and purchasing power.
  • Reference Groups: Friends, family, or celebrities who affect attitudes and product choices.
  • Situational Factors: Physical environment, time, and occasion of purchase.
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Data Structure Algorithms: BST, Sort, and CLL Operations

Binary Tree Insertion

  1. ptr = ROOT, flag = FALSE
  2. While (ptr != NULL) and (flag = FALSE) do:
  • Case: ITEM < ptr→DATA
  1. ptr1 = ptr
  2. ptr = ptr→LCHILD
Case: ITEM > ptr→DATA
  1. ptr1 = ptr
  2. ptr = ptr→RCHILD
Case: ptr→DATA = ITEM
  1. flag = TRUE
  2. Print “ITEM already exists”
  3. Exit
EndWhile If (ptr = NULL) then:
  • new = GetNode(NODE)
  • new→DATA = ITEM
  • new→LCHILD = NULL
  • new→RCHILD = NULL
  • If (ptr1→DATA < ITEM) then
    • ptr1→RCHILD = new
  • Else
    • ptr1→LCHILD = new
  • EndIf
EndIf Stop

Binary Tree Deletion

  1. ptr = ROOT, flag = FALSE
  2. While
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