Computer Tech Final Exam

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Computer Tech Final Exam
2011-05-25 11:40:57

To study for my final computer technology exam.
Show Answers:

  1. From slowest to fastest, what are the speeds of CD Drives?
    Rewrite, Write, Read
  2. How are CD Drives powered?
    Molex power cable
  3. How do you align a CD Drive cable?
    Match the red stripe to pin 1.
  4. CD Drive jumpers can be what, regarding priority.
    Master or slave
  5. Generally, how many pins are on CD Drive IDE cables?
    40 or 80. 40's are regular and 80's are EMI resistant.
  6. How big are Floppy Diskettes?
  7. What is the max storage of a Floppy Disk Drive?
    1.44 MB
  8. How do you align a Floppy Disk Drive cable to their pins?
    Line up the red stripe on the cable to pin 1.
  9. How many pins are in Floppy Disk Drive cables?
    They're 34 pin cables with a twist.
  10. If the Floppy Disk Drive is plugged in wrong, what does it do?
    The drive light stays on.
  11. How are Floppy Disk Drives powered?
    Mini-molex or berg.
  12. What is the CPU Fan powered by?
    A power cord that plugs into the motherboard.
  13. Where does the riser card plug in?
    An existing expansion slot.
  14. What purpose does a Riser Card serve?
    Provides extra expansion slots.
  15. What factor often determines what type of RAM you are using?
    The notches in the RAM.
  16. What is parity/Error Correction Code indicated by?
    A odd number of chips. Parity detects. ECC detects and corrects.
  17. What does SPD (Serial Presence Detect) do?
    Sends out info about the RAM to BIOS.
  18. What is a PC Rating?
    It is used to represent data transfer speed.
  19. What do Gold Leefs provide?
    Improved connectivity.
  20. Regarding dual architecture, what color must the both RAM slots be?
    Blue. They also must be identical.
  21. Solid State Drives use what, to allow no moving parts?
    Flash memory.
  22. What type of power do Solid State Drives (SSDs) use?
  23. How do Solid State Drives connect to the motherboard?
    With a IDE cable.
  24. How many pins do Solid State Drive cables generally have?
    40 or 80 pins
  25. What are the jumpers in a Solid State Drive generally set to?
    Master, slave, or cable select.
  26. How many and what kind of paritions are there?
    4 primary partitions for the OS. 1 extended for everything else.
  27. What file systems are used in partitioning?
    FAT, FAT13, FAT32, and NTFS
  28. What is Virtual Memory (Swap space, Page File) and when is it needed?
    Your hard drive can act as RAM when your RAM is full.
  29. Define Defragmentation.
    When things are scattered over the hard drive.
  30. Define Disk Thrashing
    Disk Thrashing is caused when your hard drive is constantly being accessed.
  31. What volts do Power Supply Units (PSUs) generally have?
    3.3, 5, and 12 volts
  32. In regards to the Power Supply Unit, molex is used for what?
    HDDs and CD drives.
  33. In regards to the Power Supply Unit, what is the Mini-Molex used for?
  34. What is a SATA?
    A L-shaped connector specifically for SATA HDDs and DVDs.
  35. How many pins does P1 have?
    20 or 24 pins for the motherboard.
  36. Regarding Form Factors, how does the AT form factor work?
    Power connectors connect direclty to the PSU.
  37. Regarding Form Factors, how do ATX form factors work?
    Use soft power so power is constantly going to the motherboard.
  38. What form factors are there for the Central Processing Unit (CPU)?
    ZIF (Zero Insertion Force), PGA (Pin Grid Array), SEC (Single Edge Cartridge).
  39. What does a Domain Controller do?
    Stores data files and user account info.
  40. List some things the the USERS GROUP cannot do.
    Cannot access system files, other files, install hardware/software, change the registry. Admins have all rights and permissions.
  41. How are Backup Operators different from the Users Group?
    Same rights as users, except they can access any files on the system.
  42. What do permissions pertain to?
    The workstation.
  43. What do rights pertain to?
    The network.
  44. Where are names and passwords saved on a network?
    On the domain controller or local machine.
  45. What rights to Power Users have?
    All rights except seeing others files.
  46. What is the difference in power voltage between the US and European countires?
    We use a 115 voltage, they use 230.
  47. Where is the database of file extensions stored?
    In the registry.
  48. Can partitions change the permissions assigned to the files?
  49. Is data lost when you reformat a partition?
  50. What does the "attrib" command do?
    Shows hidden files.
  51. Can FAT32 encrypt files?
  52. What was the first file system to come out with encryption?
  53. What does the "DIR" command do?
    Lets you see all files.
  54. Are .com and .exe executable?