Evolution of Computing
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Computing has evolved from large mainframe computers that were expensive and centralized, to more distributed personal computers and networks. This evolution has been driven by decreasing costs from innovations like microprocessors, Ethernet networking, and cloud/utility computing. Software has also grown more complex, moving from simple programs to interconnected applications and services.
Evolution of Computing
- 1. Evolution of Computing From mainframes to SaaS and the impact on computing. CONFIDENTIAL AND PROPRIETARY TO REARDEN COMMERCE
- 2. IN THE BEGINNING… • Computers were big, expensive and had to be shared by entire companies. • These systems were run by centralized organizations that managed the resource for the company. • This had the advantage of concentrating the necessary skills. • But, early computers were primarily used by the operators, not the broader organization.
- 3. AND THEN… • Early mainframes were so expensive that only the largest institutions could afford them. • Digital Equipment Corporation introduced the concept of a mini-computer in the 1970 s that brought the cost down making computers more accessible. • DEC also made terminals inexpensive so now more people in an organization could use the computer. • Broader access gave way to more demand and more software being produced. • Terminals had opened the world to the idea of democratic computing.
- 4. THE MICROPROCESSOR REVOLUTION With the introduction of the 8086/8088, personal computers became powerful enough for business use and gave knowledge workers more freedom than they had ever experienced.
- 5. WITH NEW TECHNOLOGY COMES NEW CHALLENGES PCs weren’t connected so the only way to move data around was on floppy disks and with computers distributed all over the organization, administration (upgrades, repairs, eventually viruses) was a challenge.
- 6. ENTER THE NETWORK In the 1980 s, Ethernet emerged as a low cost, high performance networking standard for organizations of all sizes.
- 7. INCREASING DEMAND LOWERED COST Multiple cores and the movement towards web solutions which scale horizontally along with dropping storage costs allowed hardware prices to steadily fall.
- 8. ENTER UTILITY COMPUTING Utility computing allows organizations to buy capacity on demand and manage the amount of capacity they need which provides businesses with a better ROI on their investment.
- 10. THE EVOLUTION OF PROGRAMMING LAUNGUAGES Programming computers began as a series of binary instructions entered using switches and has evolved at an unprecedented pace ever since.
- 11. APPLICATION COMPLEXITY KEEPS GROWING The first applications were nothing more than a few instructions that performed some simple math and logic while modern applications are really tens or even hundreds of applications connected via a complex network.
- 12. SOFTWARE AS A SERVICE EMERGES Organizations began to realize that they needed many systems to run their business that were not core to their business and the cost of maintaining the staff and equipment to run these services was significant.
- 14. TO PUT IT IN PERSPECTIVE In 2007, Jim Gray of Microsoft devised a benchmark. Sort 10 billion rows, 100 bytes each, with a 10 byte randomly generated key…
- 15. FUTURE USES OF COMPUTATIONAL POWER