Mass Storage Technologies Flashcards
What are the 3 main types of storage technology for PC’s
Optical as in CD,
Magnetic as in Hard Disk Drives.
Solid State Drives as in Flash drives.
What is LBA?
Logical Block Addressing.
Used as an interface between OS and the drive to define location and organisation of data on a drive. Similar to a driver.
Put these in order:
Peta,
Giga,
Tera,
Exa,
Mega,
Kilo
- Kilo
- Mega
- Giga
- Tera
- Peta
- Exa
Physical size of optical media?
5.25”
Physical size of Desktop HDD?
3.5”
Physical size of Latptop HDD?
2.5”
Physcial size of SSD?
2.5”
CD, DVD and Bluray are what type of storeage?
Optical Media.
Hard Disk Drives are what type off storeage?
Magnetic.
M.2 is what type of storage?
Solid State Drive.
What size drive is now almost obsolete and extremely rare and what is replacing it dominantly?
1.8” being replaced by M.2 SSD.
What storage media is 5.25”
Optical media?
What storage media is 3.5”
Desktop HDD
What storage media is 2.5”
SSS and Latptop HDD
What does ATA stand for?
Advanced Technology Aattachment.
What does PATA stand for?
Parrallel Adavanced Technology Attatchement.
What does SATA stand for?
Serial Advanced Technology Attachment.
what is eSATA
External SATA, Serial Advanced Technology Attachement.
Where on a PC can you find eSATA
Motherboard I/O and expansion cards.
Available sizes for HDD?
3.5”, 2.5”, 1.8”
What is NVMe?
Non-Volatile Memory Express.
A protocol that has increased performance instead of SATA.
The difference between HDD and SSD?
HDDs have moving parts storing data on platters using magnatism.
SSDs have no moving parts and stores data on flash chips.
SSD is faster.
How is data stored on devices in their smallest size?
Blocks and pages.
what are the 2 most common SSD formats?
2.5” and M.2
What type of cable and connectors do PATA use?
Ribbon.
What is SCSI?
Small Computer System Interface.
prenounced “scuzy”
A no longer used protocol and connector that allowed storage similar to SATA.
What is SAS?
Serial Attached SCSI (“scuzy”)
Successor of SCSI.
What is iSCSI?
Internet enabled SCSI protocol and standards for servers.
Which are the 2 SCSI standards still used today?
SAS and iSCSI
What media/drives can be booted from?
HDD, SSD, M.2, optical or thumb drives.
Where is boot order set?
Within the BIOS/UEFI in System Setup.
