Which input device is used to read the data directly to the computer without entering it manually?
Mouse
Barcode reader
Scanner
MICR
Which is known as the brain of the computer?
Monitor
Keyboard
CPU
Which of the following is the storage place of a computer?
Memory unit
Control unit
None of these
Which device gives the audio result of computer operations?
Speaker
Microphone
Printer
Which one is used to give instructions to the computer?
Which printer will print the document by putting dots on the paper?
Dot matrix
Inkjet printer
Laser printer
Photo Printer
Which unit controls and co–ordinates the activities of the other units?
Arithemetic and logic unit
Which is used to capture and store photographs digitally?
Digital camera
Web camera
Which input device is mostly used for playing video games?
Joystick
Which device is used to take the print out of documents pictures and graphs?
Plotter
