Mobile phone

The mobile phone or mobile, also called a wireless, cellular phone, cell phone, cell speaker box, or hand phone (HP),^[1] is a long-range, portable electronic device used for mobile communication that uses a network of specialized base stations known as cell sites.

Laptop

A laptop computer, or simply laptop (also notebook computer, notebook and notepad) is a small mobile computer, which usually weighs 2-18 pounds (around 1 to 8 kilograms), depending on size, materials, and other factors.

Laptops usually run on a single main battery or from an external AC/DC adapter that charges the battery while also supplying power to the computer itself. Many computers also have a 3 volt cell to run the clock and other processes in the event of a power failure.

Personal computer

 A personal computer (PC) is a computer whose original sales price, size, and capabilities make it useful for individuals, intended to be operated directly by an end user, with no intervening computer operator.

History of computing

It is difficult to identify any one device as the earliest computer, partly because the term “computer” has been subject to varying interpretations over time. Originally, the term “computer” referred to a person who performed numerical calculations (a human computer), often with the aid of a mechanical calculating device.

Computer

A computer is a machine that manipulates data according to a list of instructions.

The first devices that resemble modern computers date to the mid-20th century (around 1940 – 1945), although the computer concept and various machines similar to computers existed earlier. Early electronic computers were the size of a large room, consuming as much power as several hundred modern personal computers.^[1]

Apple wants your iPod to stop charging for thieves

Hey, it’s no shocker that Apple’s iPod is a coveted item even for those who acquire their wares in less than legal manners, but a recent patent application from Apple shows that someone at Cupertino cares about you rightful owners out there. Essentially, the technology would invoke a “guardian” recharge circuit, which would disable any further charging if the computer (or “other recharger”) it was paired with was of the unauthorized variety.

Science, Engineering and Technology

The distinction between science, engineering and technology is not always clear. Science is the reasoned investigation or study of phenomena, aimed at discovering enduring principles among elements of the phenomenal world by employing formalscientific method. Technologies are not usually exclusively products of science,