How can you categorize printers ? Explain the working of various types of printers.

Ans.    Printers are commonly used output devices. They provide information in a permanent readable form. There are two types of printers which depend on the technology used in their manufacturing (i) Impact printers (ii)   non-impact printers. Impact printers use electromechanical mechanism that causes hammers or pins to [...]

What do you understand by magneto-optical storage system ? Describe the principle used in magneto storage systems for recording data.

Ans.   Magneto Optical (MO) storage systems contain the features of both magnetic and optical disks. The objective of the MO systems is to store the data used in personal computers for a long period of time. It reads/writes data by making use of laser [...]