STORAGE

Flash Memory Storage

Flash memory chips-
a type of solid state media and contain
no moving parts

Solid state drives' (SSD) advantages

Faster accesstime

Faster transfer rates

Generate less heat and
consume less power

Last longer

A memory card
is a removable flash memory device that you insert
and remove from a slot in a computer, mobile device, or cardreader/writer

an internet service that provides storage to computer users

why users subscribe to cloud storage

access filesfrom any computer

store large files instantneously

allow others to access their files

store offsite backups

provide data center functions

an optical disc
a flat, rpund, portable disc made of metal, plastic and lacquer
that is written and read by a laser

typically store software, data, digital photos, movies and music

types of optical discs

CD-ROM

CD-R

CD-RW

DVD-ROM

BD-ROM

DVD-RW, DVD+RW AND DVD+RAM

Storage

Storage holds data, instructions and
information for future use

A storage medium-
the physical material on which
a computer keeps data, instructions and information

Capacity-
the number of bytes a storage medium can hold

A storage device is the computer hardware
that records and/or retrieves items to and from
storafe media

a hard disk contains one or more inflexible, circular platter

to store data, instructions and informatin

formatting-
process of dividing the disk into tracks
and sectors

RAID (Redundant Array of Independent Disks)-
a group of 2 or more integrated hard disks

NAS (Network Attached Storage)
a server connected to a network with the sole
purpose of providing stage

Type of Hard DIsks

External hard disk
= a seperate free standing hard disk connects
to your computer with a cable or wirelessly

Removable hard disk
= is a hard disk that you insert & remove
from a drive

Internal & External Hard Disks
= available in miniature sizes (miniature
hard disks)

Tape

Magnetic stripe cards and smart cards

Micrrofilm and microfiche

Enterprise storage