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






2. Hubs are critical in the ____________________ of USB devices






3. The HCD schedules transactions by building a series of transaction lists called ________ _________






4. USB registers are indirectly accessed by ___ _____ ________






5. the IRP ______ ________ to or from a target USB device






6. The maximum length of a USB cable is __________






7. 2 USB Data Transfers: __________ and System View






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






9. Up to ___ devices can be attached to single USB port






10. the USB driver provides __________ and ___________ for client software drivers






11. Up to ___ devices can be attached to single USB port






12. When writing to a USB device - the host controller reads data from the host _________ __________






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






14. How many volts does the USB cable supply?






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






16. The ________________ is attached to the cable






17. The hub controller contains ___________ read by software that identify the device as a hub






18. The Series B receptacle is attached to the ___________






19. What contacts are longer on a USB connector?






20. USB 2 supports a speed of up to __________






21. USB 1 supports a speed of up to __________






22. What was developed by and is licensed by Intel for USB 2.0?






23. The USB cable must be shielded and _________ ______






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






25. Up to ___ devices can be attached to single USB port






26. HCD initiates transaction using both _______ ____ and _____






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






28. EHCI stands for






29. How many contacts does each connector have?






30. The Series B receptacle is attached to the ___________






31. The Series B receptacle is attached to the ___________






32. The USB cable must be shielded and _________ ______






33. USB 3 supports a speed of up to __________






34. USB root hub and the target devices perform __________ ___________ during each transaction






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






36. The root hub is located on the ___________






37. The ________________ is attached to the cable






38. USB registers are known as ____ _________ __________






39. USB devices contain _________ - which is another word for ____________






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






41. Transmissions starting at the host arrive the hub's _______ _______






42. The root hub controls _______ to USB ports - enables and disables _____ - _________ devices attached to ports and sets and reports _______ ______ associated with each port






43. What provides attachment points for USB devices?






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






45. The maximum length of a USB cable is __________






46. USB has no requirement for __________ _________






47. The ________________ is attached to the cable






48. Transaction instructions generated by the ____ ____________ are forwarded to the root hub






49. SOF stands for ________ __________ __________-






50. _____ ___________ issue requests to the USB driver using I/O Request Packets (IRPs)