Chapter7 test

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20Gt
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266034
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Chapter7 test
Updated:
2014-04-20 07:28:41
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ch7 dd zz test t4
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CompTIA Strata study guide
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Chapter7 review questions
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  1. 1. A device that doesn’t work well in a system can sometimes be improved by updating its?
    A. IRQ
    B. CPU
    C. Registers
    D. Driver
    D. Installing a new device driver can sometimes fix problems or introduce minor feature upgrades.
    (this multiple choice question has been scrambled)
  2. 2. Where in Windows do you check a device-driver version and install a newer one?
    A. Device Manager
    B. System Configuration Utility
    C. System Information
    D. System Restore
    A. Device Manager shows each device and its driver version. You can access it as a standalone tool or as part of Computer Management, as demonstrated in Exercise 7.1.
    (this multiple choice question has been scrambled)
  3. 3. How is the Windows Experience Index base score determined for a system?
    A. Average value of the key component scores
    B. Median value of the key component scores
    C. Lowest value of the key component scores
    D. Highest value of the key component scores
    C. The lowest score among the key components determines the base score, because that component creates a bottleneck in performance.
    (this multiple choice question has been scrambled)
  4. 4. If video playback is choppy or the screen repaints itself slowly when loading a large graphic, which component may need an upgrade?
    A. CPU
    B. RAM
    C. Display adapter
    D. Hard disk
    C. Video playback problems and graphic delays may indicate that a better display adapter is needed.
    (this multiple choice question has been scrambled)
  5. 5. If the computer slows down when you run many programs at once, or you hear the hard disk doing a lot of reading and writing even though you aren’t opening or saving large files, your system may need more .
    A. Display adapter memory
    B. CPU speed
    C. RAM
    D. Hard disk space
    C. More RAM can help run more programs at once without a performance slowdown.
    (this multiple choice question has been scrambled)
  6. 6. Which Windows utility can show you what processes are consuming the most RAM?
    A. System Configuration Utility
    B. Task Manager
    C. System Information
    D. Disk Defragmenter
    B. In Task Manager, the Processes tab shows the amount of RAM used by each process.
    (this multiple choice question has been scrambled)
  7. 7. Why is upgrading the processor seldom done?
    A. Processors are so fragile that they often break as you install them.
    B. It is very difficult and time-consuming to do.
    C. Most motherboards accept only a narrow range of processors.
    D. An operating system is locked to a specific processor.
    C. Although processors are not particularly difficult to install, most motherboards accept only a few similar processors, so dramatic system improvement cannot usually be obtained by upgrading the processor.
    (this multiple choice question has been scrambled)
  8. 8. To what type of component would a Molex power connector attach?
    A. RAM
    B. Display adapter
    C. SATA
    D. PATA
    D. A parallel ATA drive would use a Molex power connector from the power supply.
    (this multiple choice question has been scrambled)
  9. 9. How many SATA drives can you have per cable?
    A. 2
    B. 1
    C. Unlimited
    D. 4
    B. Serial ATA (SATA) drives can have only one drive per cable. That’s why they don’t require any jumpers, unlike PATA, which supports up to two drives per cable.
    (this multiple choice question has been scrambled)
  10. 10. If your desktop system has a built-in display adapter and you want to replace it, what can you do?
    A. Nothing; you are stuck with it.
    B. Install a new VGA display adapter. The old one will be disabled automatically.
    C. Install a PCIe display adapter, and disable the old adapter in BIOS Setup.
    D. Install a new ExpressCard display adapter, and disable the old adapter in BIOS Setup.
    C. Add-on display adapters sold today use the PCIe bus. You can then disable the old adapter in BIOS Setup or leave it enabled for connecting additional monitors.
    (this multiple choice question has been scrambled)
  11. 11. Which type of PCIe slot would be most appropriate for a display adapter?
    A. 32x
    B. 2x
    C. 1x
    D. 16x
    D. A 16x slot is most often used for a display adapter. 1x slots are used for devices requiring less bandwidth, such as modems. There is no such slot as 2x or 32x on PC motherboards.
    (this multiple choice question has been scrambled)
  12. 12. What will happen if you connect a USB 1.1 device to a USB 2.0 port on a PC?
    A. The device will work, but in reduced functionality mode.
    B. The device will work fine.
    C. The device will work, but at a lower speed than it is capable of.
    D. The device won’t work at all.
    B. Because a USB 1.1 device has a slower maximum speed than a USB 2.0 port, the device will be able to function at its full maximum speed, unhindered by the limitations of the port.
    (this multiple choice question has been scrambled)
  13. 13. Can you use a FireWire 400 device in a FireWire 800 port?
    A. Yes, with no adaptation needed.
    B. Yes, but you need an adapter to make the plug physically compatible.
    C. Yes, but the device will not operate at maximum speed.
    D. No, they are different technologies that are not compatible.
    B. FireWire 400 and FireWire 800 are logically compatible (except for the speed, which is limited to the lower of the two’s capabilities), but physically an adapter is required.
    (this multiple choice question has been scrambled)
  14. 14. Handle circuit boards by touching only the .
    A. Chips
    B. Transistors
    C. Flat part of the board
    D. Edges
    D. Circuit boards, including DIMMs, should be handled by the edges only whenever possible.
    (this multiple choice question has been scrambled)
  15. 15. Circuit boards should be stored in an antistatic bag until you are ready to install them, to avoid damage.
    A. ESD
    B. VGA
    C. ESI
    D. DVI
    A. Electrostatic discharge, or static electricity, can ruin a circuit board. An antistatic bag protects against ESD.
    (this multiple choice question has been scrambled)
  16. 16. When installing a DIMM in a motherboard, which of the following should you do?
    A. Lay the DIMM into the motherboard flat, parallel to the motherboard.
    B. Push in the DIMM at a 45-degree angle.
    C. Push in the DIMM at a 30-degree angle, and then rotate it up to a 90-degree angle to lock it in place.
    D. Push the DIMM straight down into the slot, perpendicular to the motherboard.
    D. DIMMS are inserted perpendicular to the motherboard.
    (this multiple choice question has been scrambled)
  17. 17. What kind of drives require you to set master/slave jumpers?
    A. SCSI
    B. Solid state
    C. SATA
    D. PATA
    D. Parallel ATA drives have a master/slave cable select setting that you control with a jumper.
    (this multiple choice question has been scrambled)
  18. 18. To install a new hard disk in a desktop computer, you need an open?
    A. Chipset
    B. DVI connector
    C. Drive bay
    D. PCIe slot
    C. A new hard disk needs a drive bay in which to mount it. A PCIe slot would hold a circuit board, not a drive.
    (this multiple choice question has been scrambled)
  19. 19. If Windows doesn’t see your new hard disk drive in the computer window, what may you need to do?
    A. Copy files to it.
    B. Partition it.
    C. Delete its previous contents.
    D. Attach a USB device.
    B. Except in the Disk Management utility, Windows cannot see new hard drives until they have been partitioned.
    (this multiple choice question has been scrambled)
  20. 20. If asked to choose a filesystem on a Windows 7 computer when formatting a new disk drive, what should you choose?
    A. FAT16
    B. CDFS
    C. FAT12
    D. NTFS
    D. NTFS is the best file system to use in most cases. FAT16 is a very old file system that is now obsolete. CDFS is the file system on CD-ROMs. FAT12 is the file system used on floppy disks, now obsolete.
    (this multiple choice question has been scrambled)

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