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Computer hardware contain dangerous chemicals such as lead, mercury, nickel, and cadmium. According to the EPA these e-wastes have a harmful effect on the environment unless they are disposed of properly. Making hardware requires energy, and recycling parts will reduce air pollution, water pollution, as well as greenhouse gas emissions. [67]
This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, pages and should mainly contain subcategories. The main article for this category is Computer hardware .
This category has the following 2 subcategories, out of 2 total. ... Pages in category "Lists of computer hardware" The following 45 pages are in this category, out ...
A data storage medium that is composed of a disk of thin, flexible ("floppy") magnetic storage medium encased in a square or rectangular plastic shell. Historically floppy disks came in 8-inch, 5.25-inch, and 3.5-inch sizes, with the latter being by far the most ubiquitous. floppy disk drive A device for reading floppy disks. These were common ...
A common computer input device, a keyboard. A user presses a key which transfers information to a computer. In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.
This is a container category. Due to its scope, it should contain only subcategories. ... Networking hardware (16 C, 153 P) O. Open-source hardware (14 C, 67 P)
The history of computing hardware is often used to reference the different generations of computing devices: First generation computers (1940-1955): It used vacuum tubes such as the 6J6 [ 3 ] or specially designed tubes - or even mechanical arrangements, and were relatively slow, energy-hungry and the earliest computers were less flexible in ...
A hardware can be controlled from a software with the help of a middle device called hardware controller, this hardware controller can be used to perform various automated task from hardware, generally hardware controller consist of GPIO(general purpose input and output) pins, these pin's behaviour controlled by the piece of code. [6]