Every planet in the solar system has its own rotation time. Earthâs solar day and sidereal day are nearly the same, but some other planets are very different. Mercuryâs sidereal day is equivalent to 59 days, but its solar day is 176 days!
Pen Drive also referred as USB flash drive is a portable device which allows user to transfer data (text, images, videos etc) to and from computer quickly. Users can easily read and write the data on the Pen Drive by plugging it into the USB port on the computer.
Zip Disk (250 MB). A USB Flash Drive is a portable solid state memory device that plugs into a USB port on your computer. They have many other names (such as key drive, pocket drive, thumb drive, pen drive). They have replaced floppy diskettes and Zip disks at UNM-LA as our preferred means to carry files around.