Which device is used for reading the printed barcodes of a product?
Scanner
Barcode reader
Magnetic ink character reader
All the above
Which of the following one helps us to get the output or result from the computer?
Output
Input
Printer
Keyboard
Which one is used to give instructions to the computer?
Monitor
Mouse
Which input device is mostly used for playing video games?
Joystick
Web camera
Which of the following is an electronic machine?
Computer
T V
Radio
What does the printed copy known as?
Soft copy
Hard copy
Print out
All the above.
Which device is using to store the copies of photos into the computer?
What is called for the small arrow that is moving on the screen while using the mouse?
Mouse pointer
Mouse button
Pointer
Cursor
Which output device is used to take the printouts of large drawing and graphics?
Plotter
Laser printer
None.
Which is known as the brain of the computer?
CPU
