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.
Flash memory or flash drive..why is called FLASH? Why do some silly people call USB Flash Drives Memory Sticks? Why is a hard drive, USB flash drive, etc called a drive; what does drive mean? More questions Difference between pen drive, flash drive, thumb drive and jet flash.....?