Choose the correct answer and write the same in the box mentioned below

1.     Which system is used by Bluetooth for broadcasting?

A Satellite

B Microwaves

C Telephone lines

D Radio communication

2.   The range of Bluetooth may vary from...

A 10 to 100m

B 10 to 200m

C 10 to 300m

D 10 to 400m

3.   Which device enable Bluetooth when it is plugged in to the computer?

A CD

B DVD

C Dongle

D Pen drive

4.   For pairing Bluetooth devices, it needs...

A keyword

B keycode

C passcode

D password

5.   The shortcut key to select device manager is...

A Ctrl+X

B Ctrl+D

C Win+X

D Win+D

6.   After Bluetooth is installed, it is shown in...

A desktop

B system tray

C my computer

D my document