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






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






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






4. USB has no requirement for __________ _________






5. HCD initiates transaction using both _______ ____ and _____






6. USBD stands for?






7. In ther case of error - transactions are what?






8. Three operations Serial Bus Controllers using Device Manager under Windows will allow you to examine and /or control: _______ - USB Root Hub - USB Devices






9. The USB cable must be shielded and _________ ______






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






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






12. The USB cable must be shielded and _________ ______






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






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






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






16. USB 1.1 supports a speed of up to __________






17. USB 3 supports a speed of up to __________






18. What contacts are longer on a USB connector?






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






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






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






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






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






24. How many volts does the USB cable supply?






25. What contacts are longer on a USB connector?






26. The Series B receptacle is attached to the ___________






27. The polling rate of what type of transfer must be frequent enough that data is not lost but not so frequent as to waste bandwidth






28. Hubs are critical in the ____________________ of USB devices






29. EHCI stands for






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






31. What contacts are longer on a USB connector?






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






33. Two key functions of USB System Software: _______ - Bandwidth Allocation - or Transaction scheduling






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






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






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






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






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






39. USB devices enter a "suspend" state after ______________ of no bus activity






40. USB 1 supports a speed of up to __________






41. The root hub is located on the ___________






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






43. 2 USB Data Transfers: __________ and System View






44. The Series B receptacle is attached to the ___________






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






46. EHCI stands for






47. The ________________ is attached to the cable






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






49. The ________________ is attached to the cable






50. The maximum length of a USB cable is __________