Dell Inspiron 11 3148 Bedienungsanleitung PDF herunterladen (Seite 30)

30  Storage Device

Storage Device

Storage devices allow you to store data for later use. Storage devices can

be internal or external. Most storage devices store data till you manually

delete the data. Examples of storage devices are hard-disk drives (HDD),

solid-statedrives (SSD), optical-disc drives, flash drives, and so on.

Internal Storage Devices

Internal storage devices are installed within your computer and generally

cannot be removed while the computer is turned on. The most common

internal storage devices are HDDs and SSDs.

HDDs and SSDs use SATA interface to transfer information. SSDs are

alsophysically similar to HDDs, which makes them compatible with

existingcomputers.

HDDs have disk platters, whereas SSDs have flash memory. This makes

SSDsfaster, quieter, energy efficient, and shock resistant.

Removable Storage Devices

Storage devices that you can remove from your computer without turning

the computer off are called removable storage devices. Commonly used

removable storage devices include:

•Optical discs

•Memory cards

•Flash drives

•External hard drives

Optical Drives and Discs

Your computer may support a DVD RW or a DVD RW and Blu-ray combo

drive. Optical discs can be read-only, write-once, or re-writeable.

Some of the common types of drives are:

•Blu-ray writer — Reads and writes to Blu-ray Discs, DVDs, and CDs.

•Blu-ray reader + DVD RW combo — Reads Blu-ray Discs. Reads and

writes to DVDs and CDs.

•DVD RW — Reads and writes DVDs and CDs.

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Dell Inspiron 11 3148 Bedienungsanleitung Seite 30