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






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






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






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






5. The Series B receptacle is attached to the ___________






6. USB 2 supports a speed of up to __________






7. USB 3 supports a speed of up to __________






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






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






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






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






12. USB 1.1 supports a speed of up to __________






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






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






15. USB 1 supports a speed of up to __________






16. EHCI stands for






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






18. How many volts does the USB cable supply?






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






20. USB 2 supports a speed of up to __________






21. USB registers are indirectly accessed by ___ _____ ________






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






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






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






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






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






27. Hubs are critical in the ____________________ of USB devices






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






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






30. USB registers are known as ____ _________ __________






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






32. What contacts are longer on a USB connector?






33. The USB cable must be shielded and _________ ______






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






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






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






37. USBD stands for?






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






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






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






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






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






43. USB registers are indirectly accessed by ___ _____ ________






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






45. The maximum length of a USB cable is __________






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






47. USB 1.1 supports a speed of up to __________






48. The maximum length of a USB cable is __________






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






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