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.
: If you weren't expecting this specific file from a verified source, delete the email immediately.
: Compressed files like .7z are frequently used by attackers to hide malicious executables from basic email scanners.
: If you believe it might be legitimate, download it but do not run it . Right-click the file to scan it with an Antivirus or upload it to a service like VirusTotal for analysis. Electricity plan 25.7z
: Attachments disguised as utility bills or "plans" are classic social engineering tricks designed to create a sense of urgency.
: While simply viewing the archive contents in a program like 7-Zip isn't usually harmful, extracting or running the files inside can trigger a malware infection. Safe Handling Recommendations : If you weren't expecting this specific file
: Contact the electricity provider through their official website or phone number— not through any links in the email—to see if they actually sent it.
Best Practices: When It’s Safe to Open Email Attachments - Mailsuite Right-click the file to scan it with an
: For advanced users, opening such files within a virtual machine or sandbox can prevent your main system from being compromised.