IT2221 - Introduction to Computing

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Questions and Answers

What was a key mathematical achievement of the Babylonians?

  • Development of a base 10 numerical system
  • Founding of geometry principles
  • Establishment of a secret society
  • Creation of tables for various mathematical operations (correct)

How did Egyptian mathematics primarily differ from Babylonian mathematics?

  • Babylonians were known for bookkeeping
  • Egyptians had a distinct base 10 numerical system (correct)
  • Egyptians used symbols for only two numbers
  • Babylonians utilized geometry in their calculations

What is the main contribution of Thales in the context of mathematics?

  • Establishing a secret society
  • Developing Thales' theorem in Euclidean geometry (correct)
  • Foundation of Pythagorean theorem
  • Formulating basic arithmetic operations

What did the Pythagoreans believe regarding the nature of numbers?

<p>Numbers were the essence of all things (B)</p>
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Which civilization is noted for developing mathematical solutions for measuring land area and calculating taxes?

<p>Egyptians (D)</p>
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What symbol system did the Babylonians use for their numerical representation?

<p>Two symbols representing 1 and 10 (D)</p>
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Which notable figure is credited with the foundation of the Pythagorean theorem?

<p>Pythagoras (C)</p>
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What defining aspect characterized the Pythagorean society?

<p>Belief in transmigration of souls (C)</p>
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Study Notes

Introduction to Computing

  • Introduction covers the fundamentals of computing history and the significant contributions of notable figures in the field.

The History of Computing

  • Computing involves managing, processing, and communicating vital information using computers, crucial for modern industrial technology.

The Babylonians (2000 BC - 500 BC)

  • Flourished in Mesopotamia (modern-day Iraq) and created clay cuneiform tables with mathematical texts.
  • Developed tables for basic arithmetic, cubes, and square roots.
  • Utilized a base-10 system represented by two symbols (1 and 10) to combine and express other numbers.

The Egyptians

  • Addressed practical problems like time measurement, flood calculations, land area measurement, bookkeeping, and tax calculations through mathematics.
  • Employed a base-10 numerical system with distinct symbols for different values (one to a hundred thousand).

The Greeks (500 BC - 600 BC)

  • Pythagoras, a philosopher and mathematician, learned Egyptian mathematics and founded a secret society (the Pythagoreans) focusing on the connection between numbers and the essence of existence.
  • Credited with Pythagoras's theorem, although it predates him by 1000 years discovered by the Babylonians.
  • Contributed to Euclidean geometry through Thales’ theorem, which states that the angle subtended at the circumference of a circle by the diameter is a right angle.

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