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. USBD stands for?






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






3. The Series B receptacle is attached to the ___________






4. USB registers are known as ____ _________ __________






5. The USB cable must be shielded and _________ ______






6. USB 3 supports a speed of up to __________






7. EHCI stands for






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






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






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






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






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






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






14. The Series B receptacle is attached to the ___________






15. EHCI stands for






16. What provides attachment points for USB devices?






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






18. USB 2 supports a speed of up to __________






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






20. The ________________ is attached to the cable






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






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






23. Bus traffic arriving at the hub must be _________






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






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






26. The maximum length of a USB cable is __________






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






28. USB 1.1 supports a speed of up to __________






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






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






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






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






33. USB registers are indirectly accessed by ___ _____ ________






34. If an error is found - it is forwarded to the _______ ___________






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






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






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






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






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






40. The Series B receptacle is attached to the ___________






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






42. USB registers are indirectly accessed by ___ _____ ________






43. USB 1.1 supports a speed of up to __________






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






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






46. How many contacts does each connector have?






47. How many volts does the USB cable supply?






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






49. What contacts are longer on a USB connector?






50. The ________________ is attached to the cable