![]() ![]() ![]() ![]() Various computer switches controlled aspects of the graphics such as size and ratio. Sketchpad displayed graphics on the CRT display, and a light pen was used to manipulate the line objects, much like a modern computer mouse. The computer possessed 320 KB (kilobytes) of memory and powered a 23-cm (9-inch) cathode-ray tube (CRT) display. The TX-2 had twice the memory capacity of the largest commercial machines and impressive programmable capabilities. In 1961 Massachusetts Institute of Technology (MIT) graduate student Sutherland developed a primitive application, Sketchpad, that would run on the TX-2, one of the first programmable computers, at MIT’s Lincoln Laboratory. #Sketch pad softwareThe program allowed users to visualize and control program functions and became a foundation for computer graphics, computer operating system interfaces, and software applications that are used in many facets of modern technology. Sketchpad originated as American engineer Ivan Sutherland’s doctoral thesis project in the early 1960s and was one of the first graphical user interfaces. Sketchpad, the first interactive computer-graphics program.
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