COMPUTER HARDWARE
STORAGE DEVICES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Magnetic Tape
|
|
|
Flash drive
|
|
|
VHS Tape
|
|
|
External Hard drive
|
Detailed explanation-1: -The term was coined by IBM to describe devices that allowed random access to data, the main examples being drum memory and hard disk drives. Later, optical disc drives and flash memory units are also classified as DASD.
Detailed explanation-2: -Common direct access storage devices include solid-state drives (SSDs) and hard disk drives (HDDs). Direct access storage devices include RAID arrays like the one pictured here, hard disk drives, solid state drives, systems like magnetic drums and data cells, optical discs and PC storage devices.
Detailed explanation-3: -Random-access devices include hard drives, CD (compact disc) writers, and DVD (digital versatile disc) RAM (random-access memory) devices. The hard drive typically has a storage capacity of 20 gigabytes (GB) and a data transfer rate of over 10 megabytes (MB) per second.
Detailed explanation-4: -Storage access methods BDAM-Basic direct access method. BSAM-Basic sequential access method.