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Questions and Answers
What significant development happened on Nov 2, 1886?
What significant development happened on Nov 2, 1886?
- Development of punch cards for data storage
- Patent for a receptacle for storing and preserving papers (correct)
- Introduction of electronic data management
- Introduction of magnetic disks for data storage
Which technology marked the birth of the spreadsheet?
Which technology marked the birth of the spreadsheet?
- Evolution of magnetic disks for data storage
- VisiCalc on Apple II platform (correct)
- Introduction of COBOL and CODASYL approach
- Use of punch card tapes for data management
What technology became prevalent in the 1980s?
What technology became prevalent in the 1980s?
- Magnetic disks (correct)
- COBOL and CODASYL approach
- NoSQL
- RDBMS
When did data management start becoming global?
When did data management start becoming global?
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What parameter is associated with DBMS scalability?
What parameter is associated with DBMS scalability?
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Study Notes
Significant Developments in Technology
- Nov 2, 1886: Herman Hollerith's punched card technology was patented, marking a significant development in data processing.
Birth of the Spreadsheet
- 1979: VisiCalc, the first electronic spreadsheet, was released, marking the birth of the spreadsheet.
Prevalent Technology
- 1980s: The personal computer (PC) became prevalent, revolutionizing data management and processing.
Global Data Management
- 1990s: Data management started becoming global, with the widespread adoption of the internet and web-based technologies.
DBMS Scalability
- Vertical scalability: The parameter associated with DBMS scalability, which refers to the ability of a system to increase its power and capacity to handle increasing amounts of data and user load.
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