FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

EXTERNAL AND INTERNAL STORAGE DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of these devices is optical?
A
CD
B
SSD
C
USB flash drive
D
Magnetic stripe
Explanation: 

Detailed explanation-1: -These include CDs, DVDs, and Blu-ray discs. This allows you to play music or watch movies using pre-recorded discs. An optical disc is designed to support one of three recording types: read-only (e.g.: CD and CD-ROM), recordable (write-once, e.g. CD-R), or re-recordable (rewritable, e.g. CD-RW).

Detailed explanation-2: -Optical storage is any storage type in which data is written and read with a laser. Typically, data is written to optical media such as compact discs (CDs) and digital versatile discs (DVDs).

Detailed explanation-3: -An optical disk is any computer disk that uses optical storage techniques and technology to read and write data. It is a computer storage disk that stores data digitally and uses laser beams (transmitted from a laser head mounted on an optical disk drive) to read and write data.

Detailed explanation-4: -Most of today’s optical disks are available in three formats: compact disks (CDs), digital versatile disks (DVDs)–also referred to as digital video disks–and Blu-ray disks, which provide the highest capacities and data transfer rates of the three.

There is 1 question to complete.