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 registers are known as ____ _________ __________






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






3. USB 1.1 supports a speed of up to __________






4. The maximum length of a USB cable is __________






5. What contacts are longer on a USB connector?






6. EHCI stands for






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






8. HCD initiates transaction using both _______ ____ and _____






9. The characteristics of an USB device are detected by the _____ ______ during device configuration






10. The root hub is located on the ___________






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






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






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






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






15. The ________________ is attached to the cable






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






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






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






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






20. How many volts does the USB cable supply?






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






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






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






24. USB has no requirement for __________ _________






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






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






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






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






29. The maximum length of a USB cable is __________






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






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






32. How many contacts does each connector have?






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






34. USB 2 supports a speed of up to __________






35. The Series B receptacle is attached to the ___________






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






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






38. The USB cable must be shielded and _________ ______






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






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






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






42. USB registers are known as ____ _________ __________






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






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






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






46. What are the USB system's two primary elements?






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






48. USB registers are indirectly accessed by ___ _____ ________






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






50. The maximum length of a USB cable is __________