What kind of question is that! Nobody knows how to "operate an oven!" gosh!
NO. The same people that operate that operate Dancing Bear and Brazzers through the Jim South Co. They're a professional pornography company.
Hubs and repeaters operate at the Physical Layer of the OSI Model. The Physical Layer is the first layer of the OSI Model.
Layer 3
low voltage direct current
Discman was created in 1984.
The Discman was invented by Katsuaki Tsurushima in 1983
sony
The Sony Discman series are a classic and commonly considered the benchmark CD player. They're only $50 or so.
There are a number of places where one can purchase a Sony Discman. One can purchase one from the Sony website itself, or from websites such as eBay and Amazon.
Sir Donald Disman invented it
The Sony Corporation - It was a step-up from their original 'Walkman' device
The first Discman, launched by Sony in 1984, sold approximately 1 million units in its first year. This innovative portable CD player quickly gained popularity, establishing a new market for personal audio devices. The success of the Discman contributed significantly to the growth of CD technology in the consumer electronics industry.
I have no idea
bye bye discman, walkman, etc. hello online music stores, online piracy.
A discman is a device that converts electrical energy from batteries into mechanical energy to spin the compact disc (CD) and optical energy to read the digital information on the disc. So, the energy transformation involves electrical to mechanical and electrical to optical energy.
I think it wasn`t too expensive.It`s price was about 50 $ .