Understanding Computers Introduction
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Questions and Answers

What is the Abacus?

  • The first mechanical and automatic calculator
  • A group of computers linked and functioning together
  • A manually-operated calculating device
  • A wooden rack with metal rods and beads used for arithmetic calculations (correct)

    • Who is credited with inventing the Napier's Bones?

  • Biaise Pascal
  • John Napier (correct)
  • Chinese inventors
  • French mathematician-philosopher

    • What was the purpose of Pascaline, invented by Biaise Pascal?

  • To function as a group of linked computers
  • To compute wealth and properties locally
  • To perform arithmetic calculations using ivory strips and bones
  • To help tax accountants in their calculations (correct)

    • What distinguishes the Pascaline from the Abacus and Napier's Bones?

    <p>First to use the decimal point</p> Signup and view all the answers

    How did our forefathers compute before the invention of the modern computer?

    <p>Using their hands, toes, stick, and pebbles</p> Signup and view all the answers

    What is the common feature between the Abacus and Napier's Bones?

    <p>Both used metal rods and beads for arithmetic calculations</p> Signup and view all the answers

    What is the meaning of the term 'COMPUTARE' from which the term 'computer' is derived?

    <p>To calculate or programmable machine</p> Signup and view all the answers

    How is a computer system defined?

    <p>Complete computer, including hardware, operating system, and peripheral equipment</p> Signup and view all the answers

    What is the main function of a computer according to the text?

    <p>To take input from the user and process data under the control of set instructions</p> Signup and view all the answers

    What does the concept of 'modern computers' enable them to do?

    <p>Perform a wide range of tasks through programs</p> Signup and view all the answers

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