Mais conteúdo relacionado Semelhante a Chapter 4 Questions April (20) 3. 1. Volts are a measure of what characteristic of electricity? 5. 2. What is the normal voltage of house electricity in the United States? 7. 3. Hot wires in home wiring are normally colored _____ and ground wires in computers are normally colored ______. 9. 4. What is the difference between a transformer and a rectifier? Which are found in a PC power supply? 14. 6. What is the purpose of the 4-pin auxiliary connector on a motherboard? 16. 7. How many pins does the main power connector on a BTX board have? 19. 8 What form factor for the case and power supply does a NLK motherboard use? 21. 9 Describe the purpose of the ground line in a house circuit. What is the electrical symbol for ground? 22. Answer To prevent uncontrolled electricity from continuing to flow indefinitely Earth 23. 10 What is the basic electronic building block of integrated circuit? 25. 11 Why is a power supply dangerous even after the power is disconnected? 31. 14 What is an unintended, high-current, closed connection between 2 points in a circuit called? 34. 15. Which form factor uses a riser card on the edge of the motherboard? 36. 16. List 4 types of computer case form factors, What is the most popular type of form factor for PCs today? 37. 1.AT 2. ATX3. MicroTX4. BTXATX is the most commonly used form factor today. 39. 1. Fewer wires 2. Easier installation3. Components on the motherboard don’t face each other. 40. 18. List 4 computer symptoms that indicate a faulty power supply. 41. 1. Hang 2. Reboot3.Give intermittent errors4.Wont boot at all 42. 19. According to ACPI standards, the S1 mode causes what 2 devices to stop using power? 44. 20. What is another name for the ACPI standard S4 mode? 46. 21. What power management standard is older then ACPI and has mostly been replaced by ACPI? 48. 22. How can u easily tell if a computer is designed to comply with Green Standards? 51. 23.) What unit of measure is used to describe the amount of work a surge suppressor can do before it stops protecting the circuit from an electrical surge? 53. 24.) Why is it important to have an indicate light on a surge suppressor? 55. 25.) What are the two main types of uninterruptable power supplies? 59. 27.) If you are asked to identify the form factor of a motherboard, what are two criteria you can use to help you identify the board? 61. 28.) What are three motherboard form factors that can be used with a compact case? 63. 29.) What is one thing you can regularly do to prevent a computer system from overheating? 64. Use compressed air or antistatic vacuum to remove dust from the power supply, the vents over the entire computer, and the processor heat sink. 65. 30.) Which type of case form factor is best designed to keep a system cool?
