Final answer:
The answer discusses three major milestones in computational technology: Analytical Engine, Colossus, and ENIAC.
Explanation:
The three important milestones in computational technology are:
- Analytical Engine: A design for a general-purpose computer by Charles Babbage, using gears and mechanical components to run programs.
- Colossus: The forerunner of the modern computer, being electronic, digital, programmable, and utilizing principles of a computer.
- ENIAC: The first general-purpose electronic computer, reprogrammable for various computing tasks, significantly advancing computing capabilities.
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