COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

STORAGE DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A single layer ____ can store about 4.7Gb of data.A double layer ____ can hold over 9Gb of data.
A
DVD
B
Flash memory
C
Internal hard disk
D
External hard disk
Explanation: 

Detailed explanation-1: -A single-layer DVD can hold 4.7 gigabytes (GB) of data, and a double-layer disk can hold 8.5 GB. A single-layer Blu-ray disk can store 25 to 33.4 GB of data, and a quad-layer Blu-ray disk can store up to 128 GB of data.

Detailed explanation-2: -Digital versatile disc (DVD). A single-layer DVD can hold 4.7 gigabytes (GB) of data, and a double-layer disc can hold 8.5 GB.

Detailed explanation-3: -Unlike video, burning a large ISO file to DVD depends on the DVD size. If your DVD is only 4.7GB, it is impossible to hold a 5GB, 8GB, or 10GB ISO image. Compressing the ISO and then burning will not work, such a DVD won’t play off. The only way is to use a dual-layer DVD or a larger size DVD instead.

Detailed explanation-4: -Single Layer DVD-R disc hold up to 4.7 GB of data. Double-Sided DVD’s have one layer on each side of the disc. Disc can store up to 8.75 GB of Data.

There is 1 question to complete.