The random-access memory accounting machine - II. The magnetic-disk, random-access memory (Reprinted from IBM Journal of Research and Development, vol 1, 1957)

被引：1
|
作者：
Noyes, T
Dickinson, WE
机构：
[1] IBM, San Jose, CA
来源：
IBM JOURNAL OF RESEARCH AND DEVELOPMENT | 2000年 / 44卷 / 1-2期
关键词：
D O I：
10.1147/rd.441.0016
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The IBM Type 350 magnetic disk, RAM used in the RAM accounting machine (RAMAC) system is a large-capacity storage device with relatively rapid access to any record. The information is stored magnetically on fifty rotating disks. The disks are chosen for the recording medium because they have a good volumetric efficiency for surface storage. Magnetic recording is chosen because of both its permanence and ease of modification, while it still allows good storage density.
引用
收藏
页码：16 / 19
页数：4
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