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What three types of technologies are used inside hard drives? |
Solid State Drive, Magnetic Hard Drive, and Hybrid Hard Drive. |
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At what three speeds in revolutions per minute might the spindle inside a hard drive rotate? |
5400, 7200, or 10,000 RPM |
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When the OS addresses the sectors on a hard drive as one long list of sequential sectors, what is this technology called? |
Logical Block Addressing |
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What is the transfer speed for SATA I? SATA II? SATA III? |
SATA I – 1.5Gb/sec SATA II – 3Bg/sec SATA III – 6Gb/sec |
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How many pins does a SATA internal data cable have? How many pins does a SATA power cable have? |
SATA internal data cable – 7 pins SATA power cable – 15 pins |
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What term describes the technology that allows you to exchange a hard drive without powering down the system? |
Hot-swapping |
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Which RAID level mirrors one hard drive with a second drive so that the same data is written to both drives? |
RAID 1 |
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Which RAID level stripes data across multiple drives to improve performance and also provides fault tolerance? |
RAID 5 |
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How many hard drives are necessary to implement RAID 10? |
Four |
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When implementing RAID on a motherboard, where do you enable the feature? |
BIOS setup |
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What type of file system is used by Blu-ray discs? |
UDF file system |
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What type of file system is used by SDXC memory cards |
exFat |
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How much data can a CD hold? |
700 mb |
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How much data can a double-sided, dual-layer DVD hold? |
15.9 GB |
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How much data can a double-sided, single-layer BD hold? |
25 GB |
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Which costs more, a CD-R or a CD-RW disc? |
CD-RW, because it can be rewritten |
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Which type of flash memory card is currently the smallest type of card? |
MicroSD card |
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What command-prompt command do you use to determine if a drive has bad sector? |
chkdsk/r |
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What command can you use to rebuild the BC? |
bootrec/rebuildbcd |
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What physical sizes of hard drives are installed in laptops? (2) |
1. 2.5" 2. 1.8" size for low-end laptops |
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You install a SATA hard drive and then turn on the computer for the first time. You access UEFI/BIOS setup and see that the drive is not recognized. Which of the following do you do next? a. Turn off the computer, open the case, and verify that memory modules on the motherboard have not become loose. b. Turn off the computer, open the case, and verify that the data cable and power cable are connected correctly and jumpers on the drive are set correctly. c. Verify that UEFI/BIOS autodetection is enabled. d. Reboot the computer and enter UEFI/BIOS setup again to see if it now recognizes the drive. |
c. Verify that UEFI/BIOS autodetection is enabled. |
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You want to install an SSD drive in your desktop computer, but the drive is far too narrow to fit a. Install the SSD in a laptop computer. b. Buy a bay adapter that will allow you to install the narrow drive in a desktop case bay. c. This SSD is designed for a laptop. Flash UEFI/BIOS so that your system will support a laptop hard drive. d. Use a special SATA controller card that will support the |
b. Buy a bay adapter that will allow you to install the narrow drive in a desktop case bay. |
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Mark each statement as true or false: a. PATA hard drives are older and slower than SATA hard drives. b. SATA 1 is about 10 times faster than SATA 3. c. RAID 0 can be implemented using only a single hard drive. d. RAID 5 requires five hard drives working together at the same speed and capacity. e. You can use an internal SATA data cable with an eSATA port. f. A SATA internal data cable has 7 pins. |
a. True b. False c. False d. False e. False f. True |
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How much data can a DVD single layer hold? |
4.7 GB |
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How much data can a DVD single-side dual layer hold? |
8.5 GB |
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How much data can a DVD double-side single layer hold? |
9.4 GB |
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How much data can a BD double-side dual layer hold? |
50 GB |
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