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

1. Task Constraints in Real-Time Systems

In real-time systems, task constraints refer to the limitations or requirements that must be met for timely and correct execution. The key constraints include:

• Time constraints (hard and soft deadlines)
• Precedence constraints (task dependencies)
• Resource constraints (limited CPU, memory)
• Synchronization constraints (shared resource management)

Failing to meet these constraints can result in system failure in critical applications like aircraft control and medical monitoring systems.

2. EDD (Earliest Due Date) Algorithm Explained

The EDD (Earliest Due Date) algorithm is used for aperiodic task scheduling, where tasks are executed in order of their deadlines. The task having the earliest due date is given the

Chapter 2: Predetermined Overhead Rate

Predetermined Overhead Rate = Estimated Total Manufacturing Overhead (MOH) / Estimated Total MOH Driver (e.g., Direct Labor hours, Direct Labor costs, Machine Hours)

Prime Cost = Direct Materials + Direct Manufacturing Labor

Conversion Cost = Direct Manufacturing Labor + Indirect Manufacturing Overhead

Cost Accumulation: Data is collected in an organized way (also known as cost pools).

Cost Assignment: Systematically links an actual cost pool to a distinct cost object (e.g., Tires, engine, labor assigned to car cost).

Activity Base: Examples include kilometers driven in a car, units produced, units sold, machine hours.

Product Cost: Costs tied to creating a product (Direct Materials, Direct Labor, Manufacturing...

Tmux Commands Reference

Introduction to Tmux

Tmux (Terminal Multiplexer) is a powerful terminal multiplexer for Unix-like operating systems. It allows you to manage multiple terminal sessions from a single window, enhancing your command-line productivity.

Basic Tmux Commands

$ tmux

$ tmux new -s myname

$ tmux ls

$ tmux a

$ tmux a -t myname

$ tmux kill-ses -t myname

$ tmux kill-ses -a

$ tmux kill-ses -a -t myname

$ tmux source-file ~/.tmux.conf

$ tmux show-options -g

$

Used To vs. Be Used To

Used to / Didn't use to + Infinitive = solía / no solía

(Be) Used to + -ing = estar acostumbrado a * (Am/are/is/was/were/will be)

Prepositions in the Media

• ON: TV / The radio / The Internet / The web / Channel
• IN: The media / The press / The newspaper / Newspapers / magazines

THE NEWS – las noticias

• ON the news – un programa específico - Yesterday I saw it on the news.
• IN the news – las noticias de la prensa en general – Kobe Bryant’s accident is in the news.

All / Everyone, Everybody, Everything

• Every-one/body/thing
• Everyone/everybody –---------------------------- 3a pers singular!!!!
• Se puede sustituir por ALL THE PEOPLE ----- 3a pers. Plural!!!
• ALL nunca sustituye a EVERYTHING
• ALL solo se usa con oraciones de relativo

Unit 1 People

Understanding the Passive Voice

Here are some examples of the passive voice in different tenses:

1. In my opinion, a cure for cancer will be found one day.
2. At the moment, the operation is being carried out by the surgeon.
3. Nothing has been done yet.
4. When I switched on the TV, a movie was being shown.
5. Most of the music awards must have been presented by now.
6. We were able to enter because the alarm had been switched off.

Passive Voice in Sentences

Let's look at how active sentences transform into passive ones:

1. Scientists have discovered the gene that causes baldness.

   Passive: A new gene that controls hair growth has been discovered.

2. The band released their new album last weekend.

   Passive: Their new album was released last weekend.

3. Wendy is teaching music to the

Beer

Brewing Process

1. Malting
2. Mashing
3. Wort Separation
4. Wort Boiling
5. Fermentation

Beer Styles and Ingredients

• Older styles like ale and stout use top fermentation.
• The most common grain used for beer is barley.
• Hops are added during wort boiling for bitterness and aroma.
• The two main categories of wheat beer are Kristallweizen and Hefeweizen.
• Bitter is a type of beer usually hand-pumped in pubs.
• IPAs are known for their strong, hoppy character.
• Pale Lager is the most popular beer category.

Rum

Production and History

• The evaporation of spirit during aging is called Angel's Share.
• Rhum Industriel is made from molasses, a by-product of sugar refining.
• Brazil's national spirit is Cachaça, made from sugarcane juice.
• Rhum Agricole is made directly from sugarcane juice.

Dual-Use Technology

Technology that might be used normally for civilian purposes but can also apply to military applications. An example of dual-use technology is nuclear power. Uranium enrichment process can have two applications: Electricity and Weapons. Thirty countries use nuclear power for electricity, operating 460 commercial nuclear power plants, supplying 14% of the world’s electricity; and 56 countries operate 250 research reactors. The problem is that the material produced by commercial nuclear reactors (Plutonium) can explode; therefore, some countries use it for military purposes, as a threat for other nations such as North Korea. An example would be missiles, which were used for military aggression during the Cold War but also...