
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?











