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






2. 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






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






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






5. EHCI stands for






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






7. USBD stands for?






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






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






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






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






12. What contacts are longer on a USB connector?






13. USB 1.1 supports a speed of up to __________






14. EHCI stands for






15. What schedules USB transactions?






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






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






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






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






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






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






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






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






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






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






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






27. USB 1.1 supports a speed of up to __________






28. How many contacts does each connector have?






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






30. How many contacts does each connector have?






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






32. The Series B receptacle is attached to the ___________






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






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






35. The Series B receptacle is attached to the ___________






36. The USB cable must be shielded and _________ ______






37. When writing to a USB device - the host controller reads data from the host _________ __________






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






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






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






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






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






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






44. What contacts are longer on a USB connector?






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






46. USB has no requirement for __________ _________






47. The ________________ is attached to the cable






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. How many volts does the USB cable supply?






50. USB 1 supports a speed of up to __________