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Atanasoff, John Vincent

(Encyclopedia) Atanasoff, John Vincent, 1903–1995, inventor of the digital computer, b. Hamilton, N.Y., grad. Univ. of Florida (B.S., 1925), Iowa State College (M.S., 1926), Univ. of Wisconsin (Ph.D…

tape recorder

(Encyclopedia) CE5 Magnetic tape-recording system tape recorder, device for recording and replaying of sound, video, and digital information on plastic (usually polyester) or paper tape. The tape…

The last digit of pi

The Question: What is the last digit of pi? The Answer: Pi is an irrational number. As such, it has no final digit. Furthermore, there is…

handheld

(Encyclopedia) handheld: see personal digital assistant.

DVD-ROM

(Encyclopedia) DVD-ROM: see digital versatile disc.

computer graphics

(Encyclopedia) computer graphics, the transfer of pictorial data into and out of a computer. Using analog-to-digital conversion techniques, a variety of devices—such as curve tracers, digitizers, and…

DVD

(Encyclopedia) DVD and DVD-ROM: see digital versatile disc.