{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"The hard drive represents an essential component in any computer, whether desktop or laptop. This device is essential for data storage, although currently, "},{"type":"text","value":"SSD","bold":true},{"type":"text","value":"(Solid State Drives) have gained popularity. Although they are commonly referred to as SSD hard drives, these should not be confused with conventional hard drives."}]},{"type":"paragraph","children":[{"type":"text","value":"Traditional hard drives are characterized by their structure of rotating platters and heads that are responsible for recording and reading information. They have experienced a notable evolution from IDE models to the most modern ones with SATA connection, highlighting significant improvements in reading, writing and data transmission speed, with SATA being noticeably faster."}]},{"type":"paragraph","children":[{"type":"text","value":"In terms of capacity, the progress has been extraordinary. A decade and a half ago, a typical hard drive offered 20GB, while today it is common to find external hard drives of 1TB or 2TB, equivalent to 1024 Gigabytes, which demonstrates a "},{"type":"text","value":"technological progress ","bold":true},{"type":"text","value":"considerable."}]},{"type":"paragraph","children":[{"type":"text","value":"On the other hand, SSDs, although they are called hard drives for their storage function, differ in their construction, since they do not use rotating platters, but are more similar to USB flash drives, but with read/write capacities and speeds. much older."}]},{"type":"paragraph","children":[{"type":"text","value":"This technology, which has been on the market for several years, has been progressively consolidated. SSDs are gaining ground, especially in sectors that demand high performance such as gaming and in professional areas such as design and engineering, where speed and storage capacity are crucial. "}]}]}

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Storage technology has undergone a remarkable transformation over the years, and hard drives are no exception. These devices have advanced significantly in terms of capacity, performance, structure, and storage methods. Despite these changes, one constant remains: the existence of internal hard drives, integrated into computers, and external hard drives, connectable through interfaces such as USB."}]},{"type":"paragraph","children":[{"type":"text","value":"Within the broad spectrum of hard drives, we can identify five main categories:"}]},{"type":"paragraph","children":[{"type":"text","value":"1. PAW:","bold":true},{"type":"text","value":"Pioneers on the market since 1986, PATA drives marked the beginning of connecting storage devices to computers. They are characterized by a data transfer speed of 133MB/s and the ability to connect up to two devices simultaneously, using magnetism to store information."}]},{"type":"paragraph","children":[{"type":"text","value":"2.SATA:","bold":true},{"type":"text","value":"Emerging as the successor to PATA, SATA drives have become the standard for desktop and laptop computers. Although similar in their connection method, they differ mainly in their interface."}]},{"type":"paragraph","children":[{"type":"text","value":"3.SCSI:","bold":true},{"type":"text","value":"These discs stand out for their versatility, since they can be connected both internally and externally. They are ideal for continuous operations (24/7), offering greater scalability and flexibility. They are especially useful for handling large volumes of data, although they require a specific interface for their connection."}]},{"type":"paragraph","children":[{"type":"text","value":"4.HDD:","bold":true},{"type":"text","value":"HDD hard drives are non-volatile storage devices that retain information permanently. They represent one of the most traditional forms of computer storage."}]},{"type":"paragraph","children":[{"type":"text","value":"5. SDD:","bold":true},{"type":"text","value":"At the forefront of storage technology, SDD drives are distinguished by their use of flash memory instead of mechanical components or magnetism. This allows them faster access to data, reduced transfer times, greater durability and more efficient energy consumption. A highlight is its M2 connection, capable of reaching read speeds of up to 2.5 Gbps."}]},{"type":"paragraph","children":[{"type":"text","value":"Each type of hard drive offers unique characteristics, adapting to different needs and applications in the world of computing."}]}]}

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Innovative Structure","bold":true}]},{"type":"paragraph","children":[{"type":"text","value":"The revolution in digital storage is evident when comparing the "},{"type":"text","value":"internal architecture ","bold":true},{"type":"text","value":"of an SSD with that of a traditional HDD. HDDs rely on spinning disks and a mechanical arm to read and write data. On the other hand, SSDs use "},{"type":"text","value":"integrated circuits ","bold":true},{"type":"text","value":"to store data, similar to how USB sticks or RAM cards work."}]},{"type":"paragraph","children":[{"type":"text","value":"Technological advance","bold":true}]},{"type":"paragraph","children":[{"type":"text","value":"The most significant change between these two technologies is the "},{"type":"text","value":"Transfer speed","bold":true},{"type":"text","value":". SSDs stand out for their ability to process data at speeds that far exceed any HDD, reaching rates of several gigabytes per second. Besides, the "},{"type":"text","value":"absence of moving parts ","bold":true},{"type":"text","value":"SSDs make them more resistant to impacts and vibrations, offering greater durability compared to HDDs."}]},{"type":"paragraph","children":[{"type":"text","value":"Evolution and Accessibility","bold":true}]},{"type":"paragraph","children":[{"type":"text","value":"Technological evolution has led to a "},{"type":"text","value":"costs reduction ","bold":true},{"type":"text","value":"on SSDs, making them increasingly accessible. Previously, the combination of an SSD for the operating system and an HDD for mass storage was common. Today, SSDs are gradually replacing HDDs as the one-stop solution for all storage needs."}]},{"type":"paragraph","children":[{"type":"text","value":"Determinants of Speed ","bold":true}]},{"type":"paragraph","children":[{"type":"text","value":"The speed of an HDD depends on the "},{"type":"text","value":"access time ","bold":true},{"type":"text","value":"from the reading head to the rotating disks. On the other hand, in an SSD, this time is drastically reduced, since it is based on electronic access to the memory cells. Another factor in HDDs is the "},{"type":"text","value":"Rotation speed","bold":true},{"type":"text","value":"(RPM), which varies between 5,200 and 7,200 RPM in common models. Refering to "},{"type":"text","value":"Transfer speed","bold":true},{"type":"text","value":", this depends on the interface (such as SATA or USB) used to connect the device."}]},{"type":"paragraph","children":[{"type":"text","value":"The "},{"type":"text","value":"cache ","bold":true},{"type":"text","value":"on both types of disks it acts as temporary storage to speed up access to the most recent data. Although its size is limited, it plays a crucial role in the efficiency of the reading and writing process. "}]}]}