COMPUTER FUNDAMENTALS

INPUTOUTPUT AND STORAGE DEVICES

STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the disadvantages of Optical Storage Media
A
small capacity (most CDs < 1GB capacity) & although they are fairly reliable and durable but they can be easily damaged
B
because they are read only
C
laser beam reflect technology
D
the plastic which can reflect the laser beam
Explanation: 

Detailed explanation-1: -Optical disk storage capacities A CD can store up to up 700 megabytes (MB) of data. A single-layer DVD can hold 4.7 gigabytes (GB) of data, and a double-layer disk can hold 8.5 GB.

Detailed explanation-2: -The main disadvantages have cost both for the drive and the disks. It is not quite as easy or as fast to copy an optical disk as it is to the software and hardware for writing disks. More complicated drive mechanism. Need careful handling. Label optical disk for easy identification. More items

Detailed explanation-3: -Mass storage capacity (on the order of gigabytes) Mountable/unmountable storage units. Low cost per bit of storage. Long media life. High data stability.

There is 1 question to complete.