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A+ 1011 > Mass Storage Technologies > Flashcards

Mass Storage Technologies Flashcards

1
Q

Hard drive

A

Split into sectors, 512 bytes or 4,096 bytes

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2
Q

SSD

A

Split into blocks, 1000 bytes

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3
Q

Optical media

A

Split inro tracks, around 100 bytes

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4
Q

LBA

A

Logical block assessing

Access as interface between os and storage device

Allocates necessary number of blocks per file to store

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5
Q

Kilo

A

1000

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6
Q

Kibi

A

1024

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7
Q

Mega

A

1,000,000

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8
Q

Mebi

A

1,048,576

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9
Q

Form factors

A

5.25 in
3.5 in, most dominant
2.5 in, org for laptop
1.8 in, not very popular
M.2, most popular for SSD

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10
Q

Magnetic disk drives

A

Metal disk read by little metal arm
Use spinning platters to store data via magnetism
Data is accessed through read write heads

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11
Q

HHD

A

Hard disk drive, has to have something spinning on the inside

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12
Q

ATA

A

Advanced technology attachment
Language used by HDD to communicate

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13
Q

PATA

A

Original ATA
Parallel ATA
Uses integrated drive electronics cables

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14
Q

SATA

A

Serial ATA type of cable/ connector used for ATA communication

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15
Q

ESATA

A

SATA designed to be used externally
Taken a backseat due to advancements in usb

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16
Q

RPM

A

Revelations per minute

17
Q

Standard RPM values

A

5,400 rpm
7,200 rpm
10,000 rpm
15,000 rpm

18
Q

SSD

A

Solid state drive, most popular
Lots of chips, no moving parts
Organized into pages
Single page is made of blocks

19
Q

Most common form factors for ssds

A

2.5 3.5 and m.2

20
Q

What type of connectors do some ssds use for power and data?

A

SATA cable

21
Q

NVME

A

Non-volatile memory express
Used to communicate with SSDs
Mostly for M.2 drives
Much faster than SATA

22
Q

SCSI

A

Small computer system interface
Language used to talk to a drive

23
Q

SAS

A

Serial attached SCSI
Similar to SATA

24
Q

ISCSI

A

Internet scsi used mostly on servers

A+ 1011 (9 decks)

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