A line printer prints ........... lines per minutes.

A scanner looks like a ............ machine.

How many arrow keys are there in a computer?

In any current available keyboard, how many times number keys repeated?

The slate shaped object below mouse is called-

Which of the following is an output device?

What can be the form of data?

Link between computer an a human is possible by-

Which of the following is not a type of input and output?

Which of the following works as mouse?