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






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






3. Bus traffic arriving at the hub must be _________






4. How many contacts does each connector have?






5. How many volts does the USB cable supply?






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






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






8. EHCI stands for






9. What is a USB endpoint address an example of?






10. USB 1.1 supports a speed of up to __________






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






12. What contacts are longer on a USB connector?






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






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






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






16. EHCI stands for






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






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






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






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






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






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






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






24. 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






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






26. The hub controller _________ the powering and enabling of ports






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






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






29. USBD stands for?






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






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






32. The ________________ is attached to the cable






33. The root hub is located on the ___________






34. USB has no requirement for __________ _________






35. What contacts are longer on a USB connector?






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






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






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






39. The USB cable must be shielded and _________ ______






40. USB registers are indirectly accessed by ___ _____ ________






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






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






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






44. USB registers are indirectly accessed by ___ _____ ________






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






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






47. How many volts does the USB cable supply?






48. USB system software consists of USBD and ___ _____ _________ ________






49. USB 3 supports a speed of up to __________






50. How many contacts does each connector have?