Driver is a device in computing field that makes the communication possible between operating system and hardware device of system.
It is type of software consisting files that is present for transmitting and receiving information message.Thus ,driver is required for installing a particular device e.g.- printer, hard-drives, etc.
Other options are incorrect digital signature is electronically creating signature through fingerprint. Certificate defines about validation and authentication of anything.Plotter is a graphic printer-like hardware device.
