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Maurice Wilkes with EDSAC
Maurice Wilkes at the University of Cambridge make the Electronic Delay Storage Automatic Calculator. It was a stored program computer, used mercury. -
Manchester Mark I Williams-Kilburn tube
Freddie Williams and Tom Kilburn develop the Williams-Kilburn tube. Was the first high speed, electronic storage -
Magnetic Drum
Completed in 1950, Atlas used magnetic drum memory that stored information on the outside of a rotating cylinder coated with ferromagnetic material and circled by read/write heads. -
IBM 726 dual tape drive
Magnetic tape allowed for inexpensive mass storage of information and was announced on May 21, 1952, the system used a vacuum channel method of keeping a loop of tape circulating between two points, which allowed the tape drive to start and stop the tape in a split-second. -
Card Random Access Memory
Each CRAM deck of 256 cards recorded about 5.5 MB. -
IBM 2321 Data Cell Drive
IBM’s 2321 Data Cell Drive stored up to 400 MB.Was not very reliable, after improvements, became relatively reliable -
“Sawmill” disk drive cutaway
The first model had two 1 GB hard disk assemblies and the second model had two 1.5 GB. -
CompacTape
Originally held 92 MB of data, was upgraded and could later hold up to 800 GB of data. -
Deskstar 1TB HDD
1st 1TB hard drive, used five 3.5 inch 200 GB platters, and rotated at 7,200 RPM -
IBM
120 petabyte, or 120 million gigabytes is one of the biggest storage devices we have today.