It could glitch out or be hacked or deleted.
I'd say MSconfig, you can use that and view the 'processes' tab, but it will make you open up the task manager.
Answer:
The correct option : b. new GridLayout(4,3)
Explanation:
The total number of rows are 4 and total number of columns are 3.
So the total keys can be added is 4*3=12. This is suited for telephone keypad.
The device which typically combines the capabilities of a scanner , fax ,and copying machine is called an input device.