This is a floppy disk five and a quarter inch floppy disk infected by Brain.A.

This computer has a floppy disk drive.

The seized items included 11 videotapes, 55 CDs, 1 floppy disk and a computer hard drive.

As a result, floppy drives became uncommon in desktop personal computers since about 2000, and were dropped from many laptop systems even earlier.

The Macintosh II had drive bays for an internal hard disk (originally 20 MB or 40 MB) and an optional second floppy disk drive.

That's the boot sector of an infected floppy, and if we take a closer look inside, we'll see that right there, it says, Welcome to the dungeon.

Typically lower levels of systems (floppy disks for example) are emulated, bit streams (the actual files stored in the disks) are preserved and operating systems are emulated as a virtual machine.

When we synthesize it, it comes single stranded, so we can take the blue strand in one tube and make an orange strand in the other tube, and they're floppy when they're single stranded.

In this attack, the attacker leaves a malware infected floppy disk, CD ROM, or USB flash drive in a location sure to be found (bathroom, elevator, sidewalk, parking lot), gives it a legitimate looking and curiosity piquing label, and simply waits for the victim to use the device.