Storage Devices 1.c Flashcards

1
Q

Solid state drive definition

A

An SSD, or solid state drive, is a type of storage device used in computers. Stores persistent data on solid state flash memory

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2
Q

SSD advantages

A

Durability and reliability
Less power consumption
Better reading and writing skills
Less noise

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3
Q

SSD disadvantages

A

Higher price
Less writing and deleting cycles
Overwriting speed
Failure rate
Difficult data recovery
Shorter general life span
Shorter general lifespan
less availability and accessibility

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4
Q

Hard disk drive definition

A

Are magnetic storage devices, commonly used as the primary internal storage device but can be external

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5
Q

HDD advantage

A

Large storage capacity
Low cost on a per byte basis
Very reliable

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6
Q

HDD disadvantages

A

They can be easily damaged, will slow down and eventually break over time.
Slower access than SSD

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7
Q

USB description

A

A common interface that enables communication between devices and a host controller such as a personal computer or smartphone

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8
Q

USB advantages

A

Extremely portable
Highly compatible

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9
Q

USB disadvantages

A

Storage capacity is low when SSD’s and HHD’s
Only have a finite number of writes before they break
Because they are small, they can be lost easily

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10
Q

SD cards definition

A

A types of memory card typically used in digital cameras and other portable devices

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11
Q

SD advantages

A

Provides extra external storage
Portable
Reduce phone memory consumption

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12
Q

SD disadvantages

A

A cheaper SD card has the potential of damaging the phone it’s inserted into
It’s slower compared to other methods I’d storage
Can be broken easily

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13
Q

Magnetic definition

A

Uses electronic-magnetism to read and write data into magnetic tape. Think old cassettes and videos

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14
Q

Magnetic advantages

A

Very large storage capacity makes them excellent for schools
Very cheap on a per byte basis

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15
Q

Magnetic disadvantages

A

Data is accessed serially which means you have to run through the magnetic tape in order which can be very slow
Requires specialist equipment for recording and reading data

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16
Q

Optical definition

A

Uses lasers and light to write and read data into optical disks

17
Q

Optical advantages

A

Small and portable
A lot of devices have built in capacity to read optical disks and external devices can be plugged into devices by USB

18
Q

Optical disadvantages

A

Archival stability of writeable media can be questionable. It can be difficult or impossible to copy data off of optical storage. Think about trying to copy DVDs.
They are fragile and can be damage easily.
If scratched they are difficult to read therefor will not work