Test your basic knowledge |

Usb Technology

Subject : it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. USB 1.1 supports a speed of up to __________






2. The characteristics of an USB device are detected by the _____ ______ during device configuration






3. HCD scheduling depends on ___ of transaction - ______ requirements of the device and _______ ______ of other USB devices






4. USB is a ____ _______ method of adding peripherals to PC's






5. In a Series A connector - one end of the cable is __________ attached to the device






6. _____- data + data ground - List - in order - the purpose of each contact in a USB connector 1 - 2 - 3 - 4






7. _____- data + data ground - List - in order - the purpose of each contact in a USB connector 1 - 2 - 3 - 4






8. Isochronous Transfer are used by applications that require a ______ _______ ______






9. The USB cable must be shielded and _________ ______






10. USBD stands for?






11. In a Series A connector - one end of the cable is __________ attached to the device






12. SOF stands for ________ __________ __________-






13. The maximum current a USB cable will deliver is _________






14. In basic USB Transaction - each transaction starts with a ______ ______






15. What contacts are longer on a USB connector?






16. The ________________ is attached to the cable






17. Device attachment is automatically detected - Software automatically configured - Device available for immediate use. This describes ______ _______ technology






18. If an error is found - it is forwarded to the _______ ___________






19. A root hub consists of a hub _________ and hub __________






20. Bus traffic arriving at the hub must be _________






21. The USB cable must be shielded and _________ ______






22. Device attachment is automatically detected - Software automatically configured - Device available for immediate use. This describes ______ _______ technology






23. The Host Controller executes the frame lists at ___ intervals






24. USB 2 supports a speed of up to __________






25. List - in order - the color of each USB cable: red ____ green black






26. EHCI stands for






27. What are the USB system's two primary elements?






28. _____- data + data ground - List - in order - the purpose of each contact in a USB connector 1 - 2 - 3 - 4






29. Under XP - USB activity can be monitored and controlled by using ______________






30. USB registers are indirectly accessed by ___ _____ ________






31. USB standards define a __________ __________ type to attach any USB device to a PC






32. In Bulk Transfers does a slow delivery result in lost or corrupted data?






33. How many contacts does each connector have?






34. What provides attachment points for USB devices?






35. 2 USB Data Transfers: __________ and System View






36. USB 1 supports a speed of up to __________






37. The Series B receptacle is attached to the ___________






38. _____________ is the hub port connector while the Series A plug is attached to the cable






39. USB is a ____ _______ method of adding peripherals to PC's






40. EHCI stands for






41. The ________________ is attached to the cable






42. When the target device responds to a host initiated transaction - it must transmit a response ________






43. Device attachment is automatically detected - Software automatically configured - Device available for immediate use. This describes ______ _______ technology






44. EHCI stands for






45. Every transaction on the USB originates at the ____ ____






46. USB registers are known as ____ _________ __________






47. How many contacts does each connector have?






48. How many volts does the USB cable supply?






49. The USB cable must be shielded and _________ ______






50. Bulk - Isochronous - Interrupt - and Control are types of what?