| 1. | ;Electro-acoustic memory : Delay line memory used mercury to store information.
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| 2. | Most early computers used some form of serial memory ( primarily delay line memory ).
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| 3. | Binary digits in a delay line memory pass through the line and are fed back to the beginning.
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| 4. | Delay line memory requires constant refreshing because the data is actually stored as a signal in a transmission line.
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| 5. | Delay line memory was dynamic volatile, cycle sequential read / write storage, and was used for primary storage.
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| 6. | Delay line memory would be limited to a capacity of up to a few hundred thousand bits to remain efficient.
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| 7. | It had a words of 45 bits each ( plus one parity bit ), using mercury delay line memory.
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| 8. | FLAC II abandoned mercury delay line memory in favor of a faster and more versatile 4096-word magnetic core memory.
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| 9. | The main memory consisted of tanks of liquid mercury implementing delay line memory, arranged in 1000 words of 12 alphanumeric characters each.
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| 10. | The next significant advance in computer memory came with acoustic delay line memory, developed by J . Presper Eckert in the early 1940s.
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