Search results
Results from the WOW.Com Content Network
Because computer parts contain hazardous materials, there is a growing movement to recycle old and outdated parts. [66] 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.
A program running in a Kenbak-1 IDE/emulator Kenbakuino, an Arduino-based Kenbak-1 emulator. The Kenbak-1 is considered by the Computer History Museum, [2] the Computer Museum of America [3] and the American Computer Museum [4] to be the world's first "personal computer", [5] invented by John Blankenbaker (born 1929) of Kenbak Corporation in 1970 and first sold in early 1971. [6]
[3] Tom Hill of The Ottawa Citizen wrote that the result of its increased processing speed and fast hard drive "is a high-quality, quiet-running personal computer of unmatched performance and potential." [20] Writing retrospectively in 2006, PC World called the Deskpro 386 the second greatest personal computer of all time, behind the original ...
To be used efficiently, all computer software needs certain hardware components or other software resources to be present on a computer. [1] These prerequisites are known as (computer) system requirements and are often used as a guideline as opposed to an absolute rule. Most software defines two sets of system requirements: minimum and recommended.
TI-99/2, [42] a 4K RAM, 32K ROM computer with no color, sound, or joystick port and a Mylar keyboard. TI designed the computer in four and a half months to sell for under $100 and compete with the Sinclair ZX81 and Timex Sinclair 1000. Based on the TMS9995 CPU running at 10.7 MHz and with a built-in RF modulator, performance greatly increased ...
On the front of the unit there two dials underneath the PC-speaker to adjust the brightness of the screen and the volume of the PC-speaker. The PC-speaker in the Compaq Portable 486 is unique in that there is a 3.5 mm audio input jack on the side of the unit to allow a third party ISA sound card to pass through its audio output to the PC ...
The computer's design was based largely on the Xerox NoteTaker, a prototype developed at Xerox PARC in 1976 by Alan Kay. [2] It was designed to be portable, with a rugged ABS plastic case and a handle. [3] The Osborne 1 is about the size and weight of a sewing machine and was advertised as the only computer that would fit underneath an airline ...
The computer tower contains the motherboard and processor. A computer lab with desktop PCs with flat-panel monitors. A desktop computer, often abbreviated as desktop, [1] is a personal computer designed for regular use at a stationary location on or near a desk (as opposed to a portable computer) due to its size and