Database Concepts Revision Quiz for Class 11 Informatics Practices

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Questions and Answers

What is the raw form of data?

  • Media formats
  • Processed information
  • Facts and figures (correct)
  • Symbols and sounds

In what forms can data exist?

  • Analog, digital, hybrid
  • Binary, hexadecimal, octal
  • Numbers, symbols, sounds, and media (correct)
  • Text, images, and videos

How is data transmitted in a computer system?

  • Using fiber optic cables
  • Through wireless networks
  • In the form of electrical signals (correct)
  • Via satellite communication

What are the recording media for data storage?

<p>Magnetic, optical, and mechanical (C)</p> Signup and view all the answers

What is the primary focus of the discussed chapter?

<p>Database concepts and data storage (A)</p> Signup and view all the answers

What does the chapter discuss?

<p>The chapter discusses the concepts of database and its terminologies, as well as the evolution of data storage over time.</p> Signup and view all the answers

What is data in its raw form?

<p>Data, in its raw form, consists of facts and figures used to define information given to the user.</p> Signup and view all the answers

In what forms can data be stored in a computer system?

<p>In a computer system, data is performed on operations, stored, and transmitted in the form of electrical signals, and recorded on magnetic, optical, and mechanical recording media.</p> Signup and view all the answers

What is the aim of the provided education at Dreams?

<p>The aim is to make the learning process as simple and easy as possible, providing free education without any payments or ads.</p> Signup and view all the answers

What does data consist of?

<p>Data consists of facts and figures, which can be in any format such as numbers, symbols, sounds, or any other form of media.</p> Signup and view all the answers

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Study Notes

Database Concepts and Data Storage Techniques - Class 11 Informatics Practices

  • Magnet Brains offers free education without ads, delivering one or two chapters at a time for a simple learning process
  • Chapter 7 covers database concepts and terminologies, discussing the evolution of data storage over time
  • Data, in raw form, consists of facts and figures and is used to define information for the user
  • Data can be in various formats such as numbers, symbols, sounds, or other media
  • In a computer system, data is operated on, stored, and transmitted in the form of electrical signals, and recorded on magnetic, optical, and mechanical media
  • The chapter explores data storage techniques before and after the advent of databases
  • Magnet Brains aims to cater to 100% of educational needs without any cost
  • The learning process is designed to be simple and easy
  • Data storage techniques have evolved significantly over time
  • The chapter discusses the concepts of database and its terminologies
  • Data was stored differently before the introduction of databases
  • The raw form of data consists of facts and figures used to define information

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