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Lesson 5 Storage Devices > Storage Devices > Flashcards

Storage Devices Flashcards

1
Q

3 Main types of Magnetic Storage

A

Hard Disk, Floppy Disk, Tape Disk

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2
Q

HDD is Volatile. T or F?

A

False

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3
Q

Data is recorded to the disk by magnetizing ferromagnetic material directionally as 0s and 1s

A

HDD

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4
Q

What is the tip of the Actuator arm called?

A

Head

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5
Q

What is the disk on the HDD called?

A

Platter

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6
Q

What is the max data rate of SATA HDD?

A

600MB/s

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7
Q

How many pins does a SATA drive cable have?

A

7-pin

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8
Q

How many pins does a SATA power cable have?

A

15pin

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9
Q

How many volts does a orange power cable send?

A

3.3V

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10
Q

What color is a 12V cable?

A

Yellow

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11
Q

What color is a 5V cable?

A

Red

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12
Q

What is the speed of SATA Revision 1.0

A

1.5Gbits/s

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13
Q

What is the speed of SATA Revision 2.0

A

3Gbits/s

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14
Q

What is the speed of SATA Revision 3.0

A

6Gbits/s

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15
Q

Older SATA drives can be used on newer SATA controllers. True or False?

A

True, but the speed is limited to the drive

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16
Q

What are 5 things to consider when purchasing an SATA HDD?

A

Capacity, Data transfer rate, RPM, Cache(buffer), Latency

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17
Q

What does hot-swapping mean?

A

able to connect/disconnect drive while system is running

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18
Q

What drives do floppy occupy?

A

A / B

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19
Q

What uses a 34-pin keyed data cable?

A

floppy drive

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20
Q

What is another name for floppy power connector?

A

BERG

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21
Q

What does RAID stand for?

A

Redundant Array of Inexpensive Disks aka Independent disks

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22
Q

What are 2 reasons why people use RAID?

A

Fault tolerance, increase performance by writing with multiple drives.

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23
Q

This RAID level only uses Disk Mirroring

24
Q

This RAID uses striping and parity checking

25
This RAID level is considered more secure than the rest
RAID 1
26
This RAID level has the fastest speed.
RAID 0
27
Name 3 types of optical media storage
CD,DVD,BLU-RAY
28
What do you connect CD ROM drives with?
SATA/IDE
29
What is the max recording speed of CD-R?
7.8MBps
30
What is the max recording speed of CD-RW?
4.8MBps
31
How do you calculate a CD's max recording speed?
multiply (x#) by 150kbps
32
What does it mean when a DVD is (SS,SL)?
Single sided, single layer
33
What does it mean when a DVD is DS,DL?
Dualsided and Dual layer
34
What is the most common type of DVD
DVD-5
35
What is the capacity of a DVD5?
4.7GB
36
What is the capacity of a DVD9?
8.5GB
37
What is the capacity of a DVD10?
9.4GB is also basically a dual sided DVD5
38
What is the capacity of a DVD18?
17GB is also basically 2 DVD 9's
39
What is the max capacity for a Blu-Ray Disc?
50GB
40
This type of drive is resilient to physical shock and has low latency
Solid State Drive -SSD
41
Is a NAND SSD faster or a DRAM-based version faster?
DRAM
42
What is the drawback for a DRAM based SSD?
requires external power/battery backup
43
What is NAND flash memory?
memory that is broken up into blocks between 16KB-512KB
44
What do manufacturers use to format USB Flash Drives?
FAT32
45
What does FAT stand for?
File Allocation Table-a table that an OS maintains on a Hard disk that provides a map of clusters that a file has been stored.
46
What is a CF card?
Compact Flash Card
47
How thick is a Type II CF card?
5mm
48
What type of CF card is used in High-end Cameras?
Type I
49
What are some examples of features for SDIO?
WiFi, GPS, BlueTooth
50
What type of memory do SD cards use?
NAND memory
51
What is the size of a standard SD card?
32mm x 24mm
52
What is the size of a miniSD card?
21.5mm x 20mm
53
What is the size of a microSD card?
15mm x 11mm
54
What is the minimum amount of drives you need to use RAID 5?
3
55
What is the minimum amount of drives you need to use RAID 10?
4
56
RAID 0 provides fault tolerance. T or F?
False
57
What is the capacity of a CD-ROM?
700MB

Lesson 5 Storage Devices (1 decks)

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