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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?

First to use the decimal point (A) Signup and view all the answers

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

Using their hands, toes, stick, and pebbles (A) Signup and view all the answers

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

Both used metal rods and beads for arithmetic calculations (D) Signup and view all the answers

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

To calculate or programmable machine (B) Signup and view all the answers

How is a computer system defined?

Complete computer, including hardware, operating system, and peripheral equipment (A) Signup and view all the answers

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

To take input from the user and process data under the control of set instructions (D) Signup and view all the answers

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

Perform a wide range of tasks through programs (D) Signup and view all the answers