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"https://pplware.sapo.pt/internet/a-historia-do-armazenamento-digital/"
"https://player.fm/series/nerdcast/nerdcast-377-armazenamento-da-pedra-ao-blu-ray"

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A year before the release of DiskOnKey, Shimon Shmueli, an employee of the company presented an invention describing a USB flash drive.

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A year before the release of DiskOnKey, Shimon Shmueli, an employee of the company presented an invention describing a USB flash drive.

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Seagate Technology was founded by Alan Shugart and finnis conner

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Seagate Technology was founded by Alan Shugart and finnis conner

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The idea is having media support that can keep the information attached to it forever, something that allows us to secure information that could be lost in the future without a proper backup: fundamental information for religions, nations, cultures.

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The idea is having media support that can keep the information attached to it forever, something that allows us to secure information that could be lost in the future without a proper backup: fundamental information for religions, nations, cultures.

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The prototype of the type is just 2 x 2 cm and a 2 millimeters width. It's made of glass quartz with a highly stable and resistant material used to make lab glass cups and other instruments.	                According to Phys.org, the glass chip is resistant to various chemical products and remains unaltered when exposed to high temperatures of flames and being heated to 1000° Celsius for, at least, two hours without any damaged. The researcher Kazuyoshi Torii from Hitachi said that he can store binary information inside the chip creating points inside a thin glass quartz pellicle. Since the computers are able to read the binary codes, the stored data will always be accessible.  

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The prototype of the type is just 2 x 2 cm and a 2 millimeters width. It's made of glass quartz with a highly stable and resistant material used to make lab glass cups and other instruments.	                According to Phys.org, the glass chip is resistant to various chemical products and remains unaltered when exposed to high temperatures of flames and being heated to 1000° Celsius for, at least, two hours without any damaged. The researcher Kazuyoshi Torii from Hitachi said that he can store binary information inside the chip creating points inside a thin glass quartz pellicle. Since the computers are able to read the binary codes, the stored data will always be accessible.  

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The Japanese multinational Hitachi unveiled, some time ago, what is believed to be the future of data storage. They created a glass quartz chip that isn't just capable of store digital information for an undetermined time but also capable of supporting extreme temperatures and hostile conditions as a whole without degradation.

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About the Cloud Storage placement in this timeline

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About the Cloud Storage placement in this timeline

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The actual year of introduction of this technology goes as far back as 1969.
We placed Cloud Storage in 2009 because this is when the technology got mass appeal

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About the SSD placement on this time line

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About the SSD placement on this time line

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The actual year of introduction of this technology goes as far back as 1984.
We placed Cloud Storage in 2009 because this is when the technology got mass appeal

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Cloud computing's concept refers to memory utilization, storage capacities, computer calculations and shared and interconnected servers through the Internet, following the principle of grid computing.	The data storage is done in servers that can be accessed from anywhere on Earth, at any time, not having the necessity of installation of any software or locally store any data. All program access, services, files are remote, through the Internet – thus, the name “Cloud”. The usage of this model (this environment) is more viable than the usage of physical memory.

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Cloud computing's concept refers to memory utilization, storage capacities, computer calculations and shared and interconnected servers through the Internet, following the principle of grid computing.	The data storage is done in servers that can be accessed from anywhere on Earth, at any time, not having the necessity of installation of any software or locally store any data. All program access, services, files are remote, through the Internet – thus, the name “Cloud”. The usage of this model (this environment) is more viable than the usage of physical memory.

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Cloud Storage's advantage over other types of data storage is its selling price, safety, and infinite space. Lots of services today are used, for free, by millions of users.

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SSD (acronym to Solid-State Drive) is a type of device, without mechanical, moving pieces, for non-volatile digital data storage. They are typically built around a semiconductor integrated circuit – NAND Flash Memory – responsible for storage, unlike magnetic systems (as Hds and LTO tapes) or optical (like CDs and DVDs).

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SSD (acronym to Solid-State Drive) is a type of device, without mechanical, moving pieces, for non-volatile digital data storage. They are typically built around a semiconductor integrated circuit – NAND Flash Memory – responsible for storage, unlike magnetic systems (as Hds and LTO tapes) or optical (like CDs and DVDs).

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The Data Storage Technology Evolution Timeline

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The Data Storage Technology Evolution Timeline

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The floppy disk is a removable media magnetic disk. This technological innovation came in many different sizes, which one with its own storage capacity.

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The floppy disk is a removable media magnetic disk. This technological innovation came in many different sizes, which one with its own storage capacity.

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The Drum Memory was invented by Gustav Tauschek in 1932 in Austria it was widely used in the '50s and '60s decade as main computer memory or as secondary memory.	The original Drum Memory de Tauschek had the capacity of about 62.5 KB. One of the mass-produced computers, the IBM 650, had an 8.5 KB Drum Memory which was doubled on the follower model.

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The Drum Memory was invented by Gustav Tauschek in 1932 in Austria it was widely used in the '50s and '60s decade as main computer memory or as secondary memory.	The original Drum Memory de Tauschek had the capacity of about 62.5 KB. One of the mass-produced computers, the IBM 650, had an 8.5 KB Drum Memory which was doubled on the follower model.

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The Williams Tube is the computer memory created by Sir Frederick Williams in 1947.	The first computers made use of this type of cathode ray memory tubes, diode condenser and, also, delay line memory. The latter consisted of a 150cm tube filled with mercury, with a crystal quartz on each end. On one end to-be-added data travels in the form of mechanical vibrations and on the other the data gets re-converted.	                                    This was the first random access memory (RAM) device and was successfully used in lots of old computers. It could reach 1,2 milliseconds per instruction.    

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The Williams Tube is the computer memory created by Sir Frederick Williams in 1947.	The first computers made use of this type of cathode ray memory tubes, diode condenser and, also, delay line memory. The latter consisted of a 150cm tube filled with mercury, with a crystal quartz on each end. On one end to-be-added data travels in the form of mechanical vibrations and on the other the data gets re-converted.	                                    This was the first random access memory (RAM) device and was successfully used in lots of old computers. It could reach 1,2 milliseconds per instruction.    

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For short, the SD cards are small cards that are used mostly on cameras, smartphones, and GPSs as main memory units or to increase storage space in these devices. There are many versions, but the most known one is the micro-SD, the memory card that works with most of the smartphones.	The Secure Digital Card (SD Card) memory cards are an evolution of the technology MultiMediaCard (MMC). They add cryptography options and digital rights management (hence the Secure) to meet the demands of the music industry and a lock switch to disable content alterations or exclusion, much like the features available on the 3½ inches Floppy.

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For short, the SD cards are small cards that are used mostly on cameras, smartphones, and GPSs as main memory units or to increase storage space in these devices. There are many versions, but the most known one is the micro-SD, the memory card that works with most of the smartphones.	The Secure Digital Card (SD Card) memory cards are an evolution of the technology MultiMediaCard (MMC). They add cryptography options and digital rights management (hence the Secure) to meet the demands of the music industry and a lock switch to disable content alterations or exclusion, much like the features available on the 3½ inches Floppy.

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The first days of flash storage certainly weren't cheap. IBM's DiskOnKey was the first flash storage product on the mass-consumer market and it was really expensive. This pen USB cost 49 dollars and offered 8 MB of storage and, at the time, it was a marvel in the pocket.

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The first days of flash storage certainly weren't cheap. IBM's DiskOnKey was the first flash storage product on the mass-consumer market and it was really expensive. This pen USB cost 49 dollars and offered 8 MB of storage and, at the time, it was a marvel in the pocket.

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Seagate Barracuda is a hard disc series, which in most operated at a 7200 RPM rate. These were produced by Seagate Technology. Even though initially they were sold as high-performance unities with high storage capacities for its time, they became the main mass-consume product on Seagate's line. 

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Seagate Barracuda is a hard disc series, which in most operated at a 7200 RPM rate. These were produced by Seagate Technology. Even though initially they were sold as high-performance unities with high storage capacities for its time, they became the main mass-consume product on Seagate's line. 

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A CD-R (Compact Disc – Recordable) is thin disc (1.2mm) made of polycarbonate used mostly for recording audio or data. But rather than recording data using aluminum, found on normal CDs, CD-Rs make use a special lay of dye to allow the recording.

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A CD-R (Compact Disc – Recordable) is thin disc (1.2mm) made of polycarbonate used mostly for recording audio or data. But rather than recording data using aluminum, found on normal CDs, CD-Rs make use a special lay of dye to allow the recording.

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The ST-506 was the first 5½ inches hard disk. Introduced in 1980 by Seagate Technology (formerly known as Shugart Technology), it had the capacity of 5 MB after formatting. The ST-412 (similar, but way more expensive) with 10 MB storage capacity was released by the end of 1981. Both used MFM codification (at the time, already widely used in floppy disk drivers).

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The ST-506 was the first 5½ inches hard disk. Introduced in 1980 by Seagate Technology (formerly known as Shugart Technology), it had the capacity of 5 MB after formatting. The ST-412 (similar, but way more expensive) with 10 MB storage capacity was released by the end of 1981. Both used MFM codification (at the time, already widely used in floppy disk drivers).

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The IBM 3380 Direct Access Storage Device was introduced in June, 1980. It used a new reader and had a 2.52 GB storage capacity, with a 3 MB per second data transfer rate. The average access time was 16 milliseconds. The price tag in the release date ranged from 81.000 Dollars to 142.200 Dollars.

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The IBM 3380 Direct Access Storage Device was introduced in June, 1980. It used a new reader and had a 2.52 GB storage capacity, with a 3 MB per second data transfer rate. The average access time was 16 milliseconds. The price tag in the release date ranged from 81.000 Dollars to 142.200 Dollars.

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The IBM 350 RAMAC was a commercial computer developed by IBM in 1969 and it was the first to utilize a magnetic disc drive (hard disk drive; HDD) with a moving head. RAMAC is an acronym to Random Access Method of Accounting and Control. The drive disc could store up to about 4.4 MB of data. 	

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The IBM 350 RAMAC was a commercial computer developed by IBM in 1969 and it was the first to utilize a magnetic disc drive (hard disk drive; HDD) with a moving head. RAMAC is an acronym to Random Access Method of Accounting and Control. The drive disc could store up to about 4.4 MB of data. 	

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The tape drive UNISERVO was the main device for input and output (I/O) in the UNIVAC I. Its place was guaranteed in History for it is the first tape drive for a commercial computer.	The UNISERVO used a metal tape, with ½ inch width, made with a nickel-bronze phosphorus alloy (called Vicalloy) and had a 1200 meters length.

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The tape drive UNISERVO was the main device for input and output (I/O) in the UNIVAC I. Its place was guaranteed in History for it is the first tape drive for a commercial computer.	The UNISERVO used a metal tape, with ½ inch width, made with a nickel-bronze phosphorus alloy (called Vicalloy) and had a 1200 meters length.

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SSD marked History for allowing impressive transfer speed and safe storage. They are fast and consume less energy than older storage devices.

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Its position in history is due to the fact that it is the first mass-consume data storage device.

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invented by James Russell in 1991 This media support marked history for its wide utilization and even today it is able to stand its ground on the market either on music recording or data storage.

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7200 RPM Hard Disc Drivers were established as the standard for personal computers. This fact granted this device its place in the History of data storage.

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This was the first device to reach the Gigabyte “realm”.

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The first days of flash storage certainly weren't cheap. IBM's DiskOnKey was the first flash storage product on the mass-consumer market and it was really expensive. This pen USB cost 49 dollars and offered 8 MB of storage and, at the time, it was a marvel in the pocket.

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This device gave origin to the modern hard disk that we know.

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Its creation gave an end to ZIP and Floppy utilization and made history for being the first storage device with pocket dimensions.

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The Punch Card, or Hollerith Card, was created initially by Herman Hollerith, founder of Tabulating Machine Company, IBM's precursor in the non-textual information systems. These cards were the predecessors of computer memories. They were actually invented to control looms in France in 1725. The technique was greatly refined before it finally gets implemented in computers. From 1900 to 1950, the Punch Cards were the main mean to input and storage data in institutional computers.

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The Punch Card, or Hollerith Card, was created initially by Herman Hollerith, founder of Tabulating Machine Company, IBM's precursor in the non-textual information systems. These cards were the predecessors of computer memories. They were actually invented to control looms in France in 1725. The technique was greatly refined before it finally gets implemented in computers. From 1900 to 1950, the Punch Cards were the main mean to input and storage data in institutional computers.

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Memory & Storage: Crash Course Computer Science #19

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Early Programming: Crash Course Computer Science #10

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Punch cards were used to encode data, which came to include programming, in machine readable form.