the active medium used in the first working laser ever constructed was?

Laser printer is a type of -

MICR stands for -

What is full form of VDU ?

Which code is a string of binary digits ?

What is unit of speed of Super Computer ?

Which interface is an entity that controls data transfer from external device, main memory and or CPU registers ?

What is full form of IP -

Which parameter defines number of times electron beam scans screen in a second ?

In which condition resource is not removed from a process holding ?

RPN stands for -

BIND full form is-

A computer must have ?

Directory structure in windows is -

Which is not a function of operating system ?