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The top documents tagged [magnetic tape units]
1.2 History of Operating Systems It all started with computer hardware in about 1940s. ENIAC 1943
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The all- transistorized 1401 was introduced in 1959. Shown in the background (from left) are the IBM 1402 Card-Read Punch, 1401 Processing Unit, 1403
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Storage Devices Powered by DeSiaMore1. Contents Storage Primary Secondary Access Method Floppy disk Hard disk Optical disks Magnetic media Powered by
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CHAPTER 6 66 Secondary Storage. 6 © The McGraw-Hill Companies, Inc. 2002 Objectives 1.Floppy and hard disks 2.Cartridges and disk packs 3.Performance
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