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Types of CDs:
1. CD-ROM (Compact Disc Read-only Memory): A CD-ROM is a type of CD that
contains data written during manufacturing. This data is permanent and cannot
be modified or erased from the CD.
2. CD-R (Compact Disc Recordable): A CD-R allows users to write data to the
disc only once. Once data is written, it cannot be changed or erased, making it a
permanent storage solution for backing up files, creating music CDs, or storing
important documents.
3. CD-RW (Compact Disc Rewritable): A CD-RW can be written to, erased, and
rewritten multiple times. This flexibility allows users to modify the data on the
disc as needed, making it suitable for tasks that require frequent updates or
changes, such as data backup or temporary storage.
Digital Versatile Disc or Digital Video Disc (DVD)
Like a CD, a DVD is an optical disc designed for storing large
files, such as High Definition (HD) movies. DVDs come in
single-layer and dual-layer formats. A single-layer DVD can hold
up to 4.7 GB of data, while a dual-layer DVD can store up to 8.5
GB. The only difference is that it can hold more information
than a CD. DVDs are widely used for storing and viewing movies DVD
and other data.
Blu-ray Disc
A Blu-ray disc is an optical disc designed for storing large
amounts of data and playing high-definition videos. The primary
difference between Blu-ray discs and DVDs is their storage
capacity, with Blu-ray discs offering significantly more space for
data and higher-quality video content. Blu-ray Disc
Flash Drive
Flash Drive, also known as flash storage, is a type of non-volatile memory. It is
used for easy and fast information storage in computers, digital cameras and home
video game consoles. Some of the devices based of flash memory are pen drive,
memory card, and solid state drive.
Pen Drive
A pen drive functions as a portable hard drive, offering ease of use
due to its small size and portability. It can be carried in a pocket
and plugged into any computer with a USB port. Flash drives,
also known as pen drives, can have storage capacities of up to 1
TB, making them a versatile solution for storing and transferring Pen Drive
large amounts of data.
10 TrackGPT iPRO (V5.0)-IV

