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Tham gia ngày: May 2012
Bài gửi: 54
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5 MB Harddisk !!!! The Volume and Size of 5MB memory storage in 1956. In September 1956 IBM launched the 305 RAMAC, the first computer with a hard disk drive (HDD). The HDD weighed over a ton and stored 5MB of data. The IBM 350 Disk Storage Unit provides storage capacity of the disk drive was 5MB (referred to at the time as 5 million characters). It was configured with 50 magnetic disks containing 50,000 sectors, each of which held 100 alphanumeric characters. ![]() ![]() ![]() Nếu giả sử kích thước tỉ lệ thuận với dung lượng, thì mấy con ổ vài trăm GB bây giờ cứ gọi là :-& :-O |
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