Floppy disks are typically found in diameter of-

The correct answer is All of above.

Key Points

• 8 inches: The first commercially available floppy disks in 1971 had a diameter of 8 inches (203 mm). These were bulky and had limited storage capacity, but they paved the way for future advancements.
• 5.25 inches: In the mid-1970s, the smaller and more convenient 5.25-inch floppy disk (133 mm) gained popularity. These became ubiquitous storage devices for personal computers in the 1980s and early 1990s.
• 3.5 inches: Finally, the 3.5-inch floppy disk (89 mm) arrived in the early 1980s and quickly dominated the market due to its compact size, increased storage capacity, and rigid plastic casing that offered better protection from damage.