Storage devices are now getting smaller and cheaper nowadays. Its becoming our primary hardware to save data and later use them for work. Now on uRelay design, heres the new technology that lets you upgrade old laptop and PC hard disk.
NEW Technical Drawings for Computer Devices and Interface
MemIn Technology - this device is very suitable for hard disk design because even if you accidentally fall or throw the hardisk, its alright.
USB Technology - This explains why we have only 4 wires at USB interface and cables.
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System Unit: Processing, Memory and Storage: here
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