Embedded System Communication Protocols and Memory Concepts
UART Communication Protocol Details
UART (Universal Asynchronous Receiver/Transmitter) mode operates as follows:
- Idle State: A non-return-to-zero (NRZ) state where the serial line maintains a logic state of 1.
- Start Bit: A signaling flag indicating the beginning of a byte, marked by a 1-to-0 transition. The receiver detects this transition at the middle of the bit interval (T).
- Data Bits: Following the start bit, typically 8 data bits are transmitted on the TxD line and received on the RxD line over
Finance, Fintech, Blockchain & Bitcoin: Core Concepts
Finance Overview
Core Idea: Get money from people and pay more in return.
Key Concepts: Truth & Data. Finance relies on managing money, risk, and trust (UX & UI matter).
Functions: Credit & Investments.
Main Sectors: Banks, Insurance, Trading Platforms.
Fintech (Finance + Tech)
Uses AI, Blockchain, APIs, and Digital Banks to transform finance.
Fintech’s Disruptive Potential
AI-driven risk management: Better targeting & financial inclusion (micro-credits).
Improved UI & Robo-advisors:
Read MoreGeological Processes and Landform Evolution
Geological Processes
External Geological Processes
Weathering
Weathering is the disintegration of rocks due to external agents. It alters geological fractures and minerals. There are two main types:
- Gelifraction (Frost Wedging): Water expands upon freezing, widening cracks within rocks.
- Thermoclastia: Rock rupture due to intense sunlight exposure.
- Decompression: Expansion and fracturing of rocks formed at great depth.
Chemical Weathering
Chemical weathering is the disintegration of rocks due to chemical
Read MoreMarxism: Key Concepts, Historical Materialism, and Critique of Capitalism
Marxism: Core Principles
Marxism is one of the most influential currents of the twentieth century, presented from several perspectives:
- A sociological and economic explanation of capitalist society.
- A theory of history that tries to be scientific.
- A revolutionary practice of transformation of society and economic and political reality.
- A critique of philosophy, aiming to change it.
Dialectical Materialism
According to Marxism, reality is material and dynamic, evolving from contradictory elements and obeying
Read MoreThe Rise of Nazi Germany: From Post-War Crisis to Totalitarian State
Post-War Crisis
Two fundamental factors marked the first postwar years: the excessive harshness of the Versailles Treaty, by which Germany was treated as the sole culprit of the First World War, and peace terms that forced Germany to pay very high financial reparations. Harsh land concessions were imposed; much of Germany was divided between France, Belgium, and Poland. Politicians of the new Weimar Republic were considered traitors for having accepted the conditions imposed by the Treaty of Versailles.
Read MoreUnderstanding Demand, Supply, and Elasticity in Economics
Demand, Supply, and Elasticity in Economics
Demand – relationship between the quantity of a good that consumers are willing to buy and the price of the good. Qd=Qd(P)
Substitutes – Two goods which satisfy the same need and can replace each other in consumption. For substitutes, an increase in the price of one leads to an increase in the quantity demanded of the other (e.g., Colgate and Blend-a-med toothpaste).
Complements – Two goods which are consumed together. For complements, an increase in the
Read MoreWater Resource Uses and Sustainable Management Strategies
Water Resource Base
Urban Uses
Civil, commercial, or public use. An increase in these water uses can be an indicator of an increased population or improved quality of life. The quantity of water used for purposes such as domestic needs (e.g., bathrooms) represents a significant part of consumer demand.
Industrial Uses
In this case, water demand is generated by different industrial processes: as a raw material, as a refrigerant, as a waste receiver, for transporting materials, and as a cleaning agent.
Read MoreLaws of Propositional Logic
Laws of Propositional Logic | ||
|---|---|---|
Name | Sequent | Description |
Modus Ponens | If p then q; p; therefore q | |
Modus Tollens | If p then q; not q; therefore not p | |
Hypothetical Syllogism | If p then q; if q then r; therefore, if p then r | |
Disjunctive Syllogism | Either p or q, or both; not p; therefore, q | |
Constructive Dilemma | If p then q; and if r then s; but p or r; therefore q or s | |
Destructive Dilemma | If p then q; and if r then s; but not q or not s; therefore not p or not r | |
Bidirectional Dilemma | If p then q; and if r then s; but p or | |
Revolution & Industrialization: Key Events & Analysis
Key Events & Analysis: Revolution and Industrialization
Exercise 1: Timeline of Events
- CONST.AÑO3-1791
- BRIT IN DERR.EJE YORK-1781
- LUIS16 EXEC-1793
- DICTA ROBESPIER-1794
- PRIM CONGR Filadelf-1774
- ASAM legislate-1791
- Stamp Act 1765
- Reacções TERMIDOR-1799
- START WAR INDEP-1775
- FRANC AND ESP INDEP N. America Go to War-1799
Exercise 2: Matching Exercise
1-G ,2-E ,3-H, 4 -, 5 -, 6 – ,7-A ,8-J, 9 -, 10 -I
Exercise 3: Agricultural and Factory System Changes
Agricultural Change
Substitution of open fields by operating
Read MoreSocial Media Impact, CA Rail Project & E-Cigarette Health Risks
Facebook’s Impact on Users
Questions and Answers
- Based on the text:
- a) False. “Facebook can be a fun, healthy activity…”
- b) False. “A second study, completely independent from the first…”
- c) True. “A second study, completely independent from the first… than close friends or family.”
- d) True. “People may choose… romantic partners.”
Synonyms
- a) jealous — envious
- b) entertaining — fun
- c) teammate — colleague
- d) forecast — predict
- e) exactly — accurately
Sentence Completion
- a) They asked us if we