Karteikarten
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- 1USBDevice that includes flash memory with an integrated USB interface.
Removable and rewritable.
Smaller than optical disks (CD’s and DVD’s).
Lasts at least for 10 years.
Used for data backups and transfer of computer files.
Small, faster, more capacity, and more durable due to no moving parts.
USB’s with USB 2.0 support can store more data and transfer faster than much larger optical disc drives like CD-RW and DVD-RW drives. They can be read by many handheld devices such as smartphones and tablets but an SD card is better suited for this.
Flash drive consists of small printed circuit which is protected and insulated electrically by the plastic, metal or rubberised case. - 2Hard drivesUsed for storing and retrieving digital information using rigid rapidly rotating disks coated with magnetic material. These are paired with magnetic heads arranged on a moving arm which reads and writes data to the disks surface.
Data is accessed in a random manner meaning individual blocks of data can be stored or retrieved in any order.
It has a non-volatile memory so it retains the stored data even when powered off.
Its capacity is measured in TB’s or GB’s. However, some capacity is unavaible to the user because it’s used by the file and operating system of the computer.
Data retrieval time depends on where the data is stored. - 3AdvantagesCompanies only need to pay for the storage they actually use. Organisations can choose between off-premises and on-premises cloud storage options. Storage
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- Karteikarten am Ohne Titel, erstellt von josh smith am 17/04/2018.
- Erstellt von
- josh smith · Apr 2018
- Aktualisiert
- 17 Apr 2018
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