storage

made this the night before my test 🫶

which is typically has a slower access speed backing or internal memory?

backing storage

which has bigger storage backing or internal memory?

backing storage

magnetic drives disadvantages

has moving parts, slower access time and is affected by magnetic fields

optical disks advantages

portable, durable, low cost

magnetic drives advantages

high capacity, low cost per GB

optical disks disadvantages

limited capacity, susceptible to scratches

solid state media advantages

fast access, no moving parts

solid state media disadvantages

more expensive, limited write cycles

what is magnetic drives used for?

long term storage

what is solid states media used for?

fast data storage for portable devices

characteristics of backing storage

all high capacity except CD

examples of magnetic drives

magnetic drive, fixed magnetic hard drive, portable magnetic hard drive, magnetic tape

examples of optical media

CD, DVD, Blu ray

blu ray

requires specific hardware, has high definition video and high capacity data storage

examples of solid state media

fixed SSD, portable SSD, pen drive

what does portable magnetic hard drive and portable SSD have in common?

they are both used for external storage

what is backing storage used for?

long term storage

what is internal memory storage used for?

temporary storage (RAM/ROM)