B2 · Upper-Intermediate

Digital & Technology — B2 English Vocabulary

This B2 vocabulary list gathers 50 upper-intermediate English words about digital & technology — algorithms, data and cybersecurity. Every word comes with its British-English pronunciation and a natural example sentence, so you learn each one in real context. When you are ready, open the flashcards to practise and remember them for good.

  1. algorithm/ˈæl.ɡə.rɪ.ðəm/

    “The search engine uses a complex algorithm.”

  2. encryption/ɪnˈkrɪp.ʃən/

    “Encryption keeps your data safe.”

  3. cybersecurity/ˈsaɪ.bə.sɪˌkjʊə.rɪ.ti/

    “Cybersecurity protects against hackers.”

  4. database/ˈdeɪ.tə.beɪs/

    “The names are stored in a database.”

  5. interface/ˈɪn.tə.feɪs/

    “The app has a simple interface.”

  6. bandwidth/ˈbænd.wɪdθ/

    “Video calls use a lot of bandwidth.”

  7. server/ˈsɜː.və/

    “The website runs on a fast server.”

  8. hardware/ˈhɑːd.weə/

    “The computer needs new hardware.”

  9. malware/ˈmæl.weə/

    “Malware can damage your files.”

  10. firewall/ˈfaɪə.wɔːl/

    “A firewall blocks unsafe traffic.”

  11. backup/ˈbæk.ʌp/

    “Always keep a backup of your work.”

  12. browser/ˈbraʊ.zə/

    “Open the link in your browser.”

  13. debug/ˌdiːˈbʌɡ/

    “It took hours to debug the code.”

  14. pixel/ˈpɪk.səl/

    “Each pixel shows one colour.”

  15. hacker/ˈhæk.ə/

    “A hacker stole the passwords.”

  16. biometric/ˌbaɪ.əʊˈmet.rɪk/

    “The phone uses biometric security.”

  17. prototype/ˈprəʊ.tə.taɪp/

    “They built a prototype of the car.”

  18. simulation/ˌsɪm.jəˈleɪ.ʃən/

    “Pilots train in a flight simulation.”

  19. automate/ˈɔː.tə.meɪt/

    “They want to automate the process.”

  20. digitalise/ˈdɪdʒ.ɪ.təl.aɪz/

    “Libraries digitalise old books.”

  21. connectivity/ˌkɒn.ekˈtɪv.ɪ.ti/

    “Rural areas have poor connectivity.”

  22. gigabyte/ˈɡɪɡ.ə.baɪt/

    “One gigabyte holds many photos.”

  23. microchip/ˈmaɪ.krəʊ.tʃɪp/

    “A microchip controls the device.”

  24. obsolete/ˈɒb.sə.liːt/

    “Old phones quickly become obsolete.”

  25. wearable/ˈweə.rə.bəl/

    “A smartwatch is a wearable device.”

  26. analytics/ˌæn.əˈlɪt.ɪks/

    “Web analytics track visitors.”

  27. streaming/ˈstriː.mɪŋ/

    “Streaming uses a lot of data.”

  28. immersive/ɪˈmɜː.sɪv/

    “The game offers an immersive experience.”

  29. glitch/ɡlɪtʃ/

    “A glitch crashed the program.”

  30. robotics/rəʊˈbɒt.ɪks/

    “Robotics is changing industry.”

  31. innovate/ˈɪn.ə.veɪt/

    “Companies must innovate to survive.”

  32. cyber/ˈsaɪ.bə/

    “Cyber attacks are increasing.”

  33. interactive/ˌɪn.tərˈæk.tɪv/

    “The museum has an interactive display.”

  34. compatible/kəmˈpæt.ɪ.bəl/

    “The app is compatible with my phone.”

  35. broadband/ˈbrɔːd.bænd/

    “We have fast broadband at home.”

  36. domain/dəˈmeɪn/

    “She bought a new web domain.”

  37. cutting-edge/ˌkʌt.ɪŋ ˈedʒ/

    “It is cutting-edge technology.”

  38. appliance/əˈplaɪ.əns/

    “The fridge is a kitchen appliance.”

  39. portable/ˈpɔː.tə.bəl/

    “The speaker is small and portable.”

  40. encrypt/ɪnˈkrɪpt/

    “They encrypt all the messages.”

  41. user-friendly/ˌjuː.zə ˈfrend.li/

    “The website is user-friendly.”

  42. high-tech/ˌhaɪ ˈtek/

    “The lab is full of high-tech equipment.”

  43. surveillance/səˈveɪ.ləns/

    “The city uses video surveillance.”

  44. touchscreen/ˈtʌtʃ.skriːn/

    “The car has a large touchscreen.”

  45. mechanism/ˈmek.ə.nɪ.zəm/

    “The lock has a clever mechanism.”

  46. infrastructure/ˈɪn.frə.strʌk.tʃə/

    “The country improved its digital infrastructure.”

  47. outage/ˈaʊ.tɪdʒ/

    “A power outage shut down the servers.”

  48. spreadsheet/ˈspred.ʃiːt/

    “She entered the figures in a spreadsheet.”

  49. username/ˈjuː.zə.neɪm/

    “Enter your username and password.”

  50. computing/kəmˈpjuː.tɪŋ/

    “Cloud computing is very popular.”