Answer:
Types of storage devices
Primary Storage: Random Access Memory (RAM) Random Access Memory, or RAM, is the primary storage of a computer. ...
Secondary Storage: Hard Disk Drives (HDD) & Solid-State Drives (SSD) ...
Hard Disk Drives (HDD) ...
Solid-State Drives (SSD) ...
External HDDs and SSDs. ...
Flash memory devices. ...
Optical Storage Devices. ...
Floppy Disks.
Computers use binary code to read zeros and ones.
I think the answer is one fourth.
Because usually only that part is visible in a stand. It usually contains the name of the magazine and a little bit of illustration gives an idea about what it is about.