data, information and computers

Basically in a nutshell a computer is a data processing device. Whatever the computer is able to do is data processing.

Data is raw facts or facts and figures in isolation.

Information is processed data, though many times the terms data and information are used interchangeably.

A computer is an electronic data processing device.

Data plays a very vital role in computer, network and information systems so it important to have good quality data.

Some qualities of good data are :-accuracy, completeness and consistency.

Bluetooth

The heart of Bluetooth brand identity is the name, which refers to the Danish king Herald ”Bluetooth” Blaatand who unified Denmark and Norway. In the beginning of the Bluetooth wireless technology era, Bluetooth was aimed at unifying the telecom and computing industries.

Bluetooth is a technology that uses short range radio frequency (RF) that operates at 2.4 GHz and is capable of transmitting both voice and data.

The most effective range is 32 feet (10metres).Bluetooth data transfer rate is
1 Mbps, which is from three to eight times the average speed of parallel and serial ports, respectively.

Bluetooth can be used to wirelessly synchronize and transfer data among devices e.g a phone to a phone or a phone to a computer and vice versa, it is thought as a cable replacement technology.

Bluetooth can be used to access a Local Area Network or the internet wirelessly by a cellular phone.