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Science 12 April 2002:
Vol. 296. no. 5566, p. 247
DOI: 10.1126/science.296.5566.247
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News Focus

TECHNOLOGY:
A Bit of This and That

Adrian Cho

Dynamic random access memory (DRAM) sets the standard for packing the most information into the least amount of space, with the smallest bits currently measuring just over a tenth of a square micrometer in area. But DRAM must be refreshed thousands of times a second, so for some tasks computers also use other types of memory.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)