Visual, interactivo, modular. El libro de texto multimedia para aprender la tecnología de la ESO. Más información.
Si quieres ver una miniunidad de muestra, haz clic en la imagen. Se cargará la miniunidad "El transistor" del capítulo "Electrónica analógica". Podrás utilizar la versión libre (avanzar o retroceder sin impedimentos) o la versión dinámica (tests intercalados). Al final de cada miniunidad hay un cuestionario que los alumnos pueden contestar por escrito.
: A paper on Quality Individual Stock Investing compares picking "Dividend Aristocrats" (companies that have increased dividends for 25+ years) against broad market indexes like the S&P 500, illustrating the trade-off between concentrated quality and broad diversification.
If you are determined to pick individual stocks, research-backed frameworks like the and fundamental analysis suggest looking at: which stock should i buy
* P/E Ratio: The desired P/E varies depending on the company's growth. Without complicated formulas, here's an approximation: P/E= Facebook·Zeefreaks : A paper on Quality Individual Stock Investing
: Multiple studies consistently show that 85–90% of portfolio return variability is driven by broad asset allocation (e.g., stocks vs. bonds), while only 10–15% comes from specific security selection and timing. stocks vs. bonds)
Academic and institutional research generally shifts the focus from "hot picks" to systematic frameworks:
