Storage Devices 1.c Flashcards
Solid state drive definition
An SSD, or solid state drive, is a type of storage device used in computers. Stores persistent data on solid state flash memory
SSD advantages
Durability and reliability
Less power consumption
Better reading and writing skills
Less noise
SSD disadvantages
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
Hard disk drive definition
Are magnetic storage devices, commonly used as the primary internal storage device but can be external
HDD advantage
Large storage capacity
Low cost on a per byte basis
Very reliable
HDD disadvantages
They can be easily damaged, will slow down and eventually break over time.
Slower access than SSD
USB description
A common interface that enables communication between devices and a host controller such as a personal computer or smartphone
USB advantages
Extremely portable
Highly compatible
USB disadvantages
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
SD cards definition
A types of memory card typically used in digital cameras and other portable devices
SD advantages
Provides extra external storage
Portable
Reduce phone memory consumption
SD disadvantages
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
Magnetic definition
Uses electronic-magnetism to read and write data into magnetic tape. Think old cassettes and videos
Magnetic advantages
Very large storage capacity makes them excellent for schools
Very cheap on a per byte basis
Magnetic disadvantages
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