Without a doubt, it would be his radio. An officer uses the radio to receive calls, advise of traffic stops, tell when he goes to lunch, ask for backup, and many other things.
The most commonly used device on a policeman's belt is the firearm, typically a handgun.
The most used input device on a computer is the keyboard.
It is a device used to move an object(s) to a different spot.
Spinner belt
Gait belt
Most likely there is a spring loaded device called a belt tensioner. There is a pulley on it with a bolt or square inset in it. sometime a socket or 3/8" drive extention can be used to move the pulley and release the tension on the belt.
A belt clip is often used to hold electronic devices, such as a cell phone or PDA. It allows you to carry the device with you, and to have your hands free.
The most used input device on a computer is the keyboard.
The most used input device on a computer is the keyboard.
tape drive
The most common pointing device used by people around the world is a mouse.The new most popular is the touch screen and second is the track pad on your laptop. Then the stylus is the next device which is used by people. These are all few popular and most used pointing devices.
A mobile phone.
cell phone