Introduction to Computer Applications: Definition and Meaning of Computer
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Questions and Answers

What is the end product of data processing referred to as?

  • Datum
  • Data
  • Information (correct)
  • Input

Which of the following characteristics is NOT associated with a computer?

  • Mechanical in nature (correct)
  • Versatile and flexible
  • Electronic in nature
  • Processes your data based on sets of instructions called program

What was the early calculating device developed by the Chinese as early as 500BC?

  • Table of Logarithm
  • Abacus (correct)
  • Slide rule
  • Digital Calculating Machine

Who is known as the father of modern computers?

<p>Charles Babbage (C)</p> Signup and view all the answers

What did Charles Babbage further modify the Difference Machine into?

<p>Analytical Engine (A)</p> Signup and view all the answers

What did Joseph Jacquard introduce between 1752-1834?

<p>Weaving Loom (B)</p> Signup and view all the answers

6.3

<p>This one (C)</p> Signup and view all the answers

What is a computer?

<p>A programmable device capable of accepting, processing, and outputting data (D)</p> Signup and view all the answers

What is the role of a human in computer programming?

<p>To design a program to achieve the desired results (B)</p> Signup and view all the answers

What is the function of an output device in a computer?

<p>To bring out the result as an output (C)</p> Signup and view all the answers

Why does data need to be processed?

<p>To change it into information with the aid of programs (B)</p> Signup and view all the answers

What are data in the context of computers?

<p>'e', 't', 'g', 'r' and similar characters (C)</p> Signup and view all the answers

What happens if a human writes a program with one small error in it?

<p>The program may appear to be generating good data but actually turns good data into garbage (C)</p> Signup and view all the answers

Flashcards

Information

The result of processing data, making it meaningful and useful.

Is a computer mechanical?

Computers are primarily electronic devices, not mechanical like a clock.

Abacus

An early calculating device developed by the Chinese around 500 BC, using beads to perform calculations.

Charles Babbage

Known for his contributions to computing, he designed the Difference Engine and the Analytical Engine, considered the foundation of modern computers.

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Analytical Engine

A more advanced device built by Charles Babbage based on the Difference Engine, incorporating programmable features and considered a precursor to modern computers.

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Jacquard's Loom

A weaving loom invented by Joseph Jacquard, using punch cards to control the weaving patterns, a key innovation in the development of computer programming.

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What is a computer?

A programmable electronic device designed to process data and produce information based on user instructions.

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Human role in programming

The role of a human is to design and write programs, also known as software, that tell the computer how to process data and produce the desired results.

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Function of an output device

An output device displays or presents the processed data, providing the user with the result of computer operations.

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Why is data processed?

Data needs to be processed to transform it from raw, meaningless values into usable information. This transformation requires programs or software to provide meaning and structure to the data.

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Data in computers

Characters, symbols, or numbers that represent facts or instructions and are the raw material for computer processing, examples include letters, numbers, and special characters.

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What happens with a program error?

A single error in a computer program can lead to incorrect or meaningless output. The program may appear to operate normally, but actually produces garbage data.

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What is a program?

A program is a set of instructions that tells a computer what to do. A programmer writes these instructions in a specific language that the computer can understand.

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