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






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






3. What conversion must happen before the data can be forwarded to root hub?






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






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






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






7. The host controller builds a _______ ____________ when reading from a USB device






8. 2 USB Data Transfers: __________ and System View






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






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






11. Bus traffic arriving at the hub must be _________






12. The ________________ is attached to the cable






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






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






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






16. The ________________ is attached to the cable






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






18. USBD stands for?






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






20. HCD initiates transaction using both _______ ____ and _____






21. Each connected USB device is assigned an address ___________ ______ to the USB system






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






23. USB registers are indirectly accessed by ___ _____ ________






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






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






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






27. Each connected USB device is assigned an address ___________ ______ to the USB system






28. USB registers are indirectly accessed by ___ _____ ________






29. What transfer is used to transfer specific requests to USB devices






30. The maximum length of a USB cable is __________






31. USB 1.1 supports a speed of up to __________






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






33. The root hub is located on the ___________






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






35. The Series B receptacle is attached to the ___________






36. Hubs are critical in the ____________________ of USB devices






37. How many volts does the USB cable supply?






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






39. EHCI stands for






40. What contacts are longer on a USB connector?






41. How many contacts does each connector have?






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






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






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






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






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






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






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






49. USB 3 supports a speed of up to __________






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