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. The ________________ is attached to the cable






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






3. How many contacts does each connector have?






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






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






6. The maximum length of a USB cable is __________






7. SOF stands for ________ __________ __________-






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






9. The root hub is located on the ___________






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






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






12. USB registers are indirectly accessed by ___ _____ ________






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






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






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






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






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






18. The USB cable must be shielded and _________ ______






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






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






21. EHCI stands for






22. What schedules USB transactions?






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






24. The USB cable must be shielded and _________ ______






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






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






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






28. USB registers are known as ____ _________ __________






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






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






31. USB 2 supports a speed of up to __________






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






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






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






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






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






37. 2 USB Data Transfers: __________ and System View






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






39. USB has no requirement for __________ _________






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






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






42. What provides attachment points for USB devices?






43. The ________________ is attached to the cable






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






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






46. The maximum length of a USB cable is __________






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






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






49. 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






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