STORAGE DEVICES & MEDIA
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Magnetic Storage Device
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Solid State storage media
Floppy disks
Simple example of a good design is the 3 1/2-inch magnetic diskette for computers, a small circle of floppy magnetic material encased in hard plastic. Earlier types of floppy disks did not have this plastic case, which protects the magnetic material from abuse and damage
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Solid State Drives
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Flash Memory Cards
BLU_RAY Discs
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CD/DVD RW
Info:Rewritable if you have disk burner
Info
Memory Stick
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CD/DVD -R
Magnetic tape
Portable HDD
Uses
Advantages
Disadvantages
CD/DVD DIsks
Definition
DVD-RAM
Uses
Advantages- much faster at overwriting data
Advantages
Able to store up to 3TB
Uses
Advantages
- Plenty of Storage Capacity.
- Increased Durability.
- Fast transfer speed
Longer Life.
Definition
Definition
Advantages of portable HDD
is a data storage device that includes
flash memory with an integrated USB interface
- Very portable
20-200GB-17TB
- Run portable apps
- Keep your files safe
- Emergency security kit
Less susceptible to online threats
- Flash memory is expensive
- Could be broke, smashed or lost easily
lightweight and portable
- Durable as it has no moving parts
- Has high transferring speeds
Flash memory Cards are used to store data backups such as text, pictures, audio, and video.
Portability
Lower cost than Portable HDD
Disadvantages
Flash memory cards are small storage devices that are used to store the data backups.
They can hold many gigabytes of data.
Disadvantages of portable HDD
- have weaknesses or chinks in encryption
- Loss of USB drives
- can easily transfer these from computer to computer resulting in data being corrupted.
easily breakable
Advantages: They are cheap. Easy to handle and transport (portable), compatible with old computer
cant use mac and windows
Maximum lifespan of 30 years
Advantages
Limited space.
is a solid-state storage device that uses integrated circuit assemblies to store data
- High durability due to no moving parts to wear out/fail.
- Data transferring is much faster.
- Has less power consumption.
Fixed / Internal hard disk
SSD is a storage device used in computers, they use flash-based memory, which is significantly faster.
advanatage
disadvantage
info
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Disadvantages- possible to accidentally overwrite data
Developed by philips and sony to hold 700 MB
Disadvantages
Small and portable
Cheap to manufacture
Fast access speed
Fragile
Easy to scratch
slower than hard disk
Uses- Store data and files
difficult to maintain security information
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Disadvantages
Advantages of internal HDD
Cost is cheaper than a Solid State Drive
- More expensive than traditional hard drives.
- They offer less storage space than traditional hard drives.
- SSD slows down as you fill them up
Able to hold up to 26GB of HD videos and other files
Advantages- can be read by most CD readers
Uses- record and store data
Disadvantages - Can only be recorded once, and no more
Need a special piece of equipment to record and read the data on the tape
not easy to recover data
must be stored in dust free environment
Advantage
slow access compared to disk
Large storage
Excellent quality
Cheap
Uses- store data and files
Disadvantages- more expensive and and can't be read by most older CD-readers
Disadvantage
Don't work in DVD or CD drives
Fragile
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Risky if lost all data
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uses of magnetic tape
CD/DVD ROM
Uses- store data and files
Disadvantages - Pre-pressed data that can be read, but unmodifiable
Advantages - high capacity and high security
- Could contain malicious programs
magnetic tape provides a low-cost medium for recording analog voice . Magnetic technology has other uses in the direct recording
It is non volatile
Disadvantages: Less storage capacity, it can be damaged easily by heat and dust, files are easily corrupted and slow data transfer rate
Its has a large storage capacity
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Disadvantages of internal HDD
The disk is fixed inside the computer and cannot easily be transferred to another computer.
slower to access data than ROM or RAM chips.
Its speed is quite slow so it will have slower boot times and will be slow to transfer files.
uses
additional storage
transport as well as backup
powered from the USB connection
Uses
Digital editing
Data Sharing
It is inside the primary storage device located inside a computer system.