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.
How to use a memory stick. USB memory sticks, also called pen drives or flash drives, are becoming more and more popular for the temporary storage and transfer of large amounts of electronic data. They should not be used as main data storage or to make permanent backups.