Since 1969, there have been three different size floppy disks for computers, each one with different storage limits. The most recently used disks have a hard plastic cover measuring 3.5 inches by 3.5 inches. It can hold up to 1.44 MB of data.
The previous disks had a flexible cover and were 5.25 inches by 5.25 inches. Initially, these disks had a memory limit of 360 KB. A few years later they could store 1.2 MB of information. The original floppy disks were 8 inches by 8 inches and had a storage capacity of 800 KB. Most computers now use CDs or DVDs instead of floppy disks.Learn More
According to HowStuffWorks, a floppy disk is used to store computer data on a medium that exists outside of the computer. Before high-capacity online and offline storage solutions became widely available, floppy drives were a simple way to store and distribute information.Full Answer >
The first 8-inch floppy disks created in the 1970s had a capacity of 80 kilobytes. By 1986, IBM improved its design, resulting in the 3.5-inch floppy disk, which had a maximum capacity of 1.44 megabytes.Full Answer >
Though information varies on the exact amount, the SD Association rates a 2 gigabyte SD card at approximately 700 images from a 10 megapixel camera. Storage amounts vary based on the number of megapixels in an image, the file type of the image and the compression used for the image.Full Answer >
The number of pictures that a 4GB memory card holds is directly related to the size of the pictures, but it generally has the capacity to store 1,140 photos that are 10 megapixels. This figure is based on the fact that 1 megapixel equals about 1,000,000 pixels, that 1MB is equal to about 1,000,000 bytes and 1GB equals about 1,000MB.Full Answer >