Data Representation in Computers: Chapter Four 4.1 Quiz
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Questions and Answers

What is the basic unit of data representation in computers?

  • Alphabet
  • Bit (correct)
  • Word
  • Byte
  • What does a bit stand for?

  • Electrical code
  • Binary digits (correct)
  • Binary indicator
  • Digital signal
  • How many possible states can a bit convey?

  • Eight
  • Two (correct)
  • Four
  • Sixteen
  • What is represented by the existence of current in a computer bit?

    <p>ON</p> Signup and view all the answers

    Which unit of data representation is based on the binary number system?

    <p>Bit</p> Signup and view all the answers

    What is the total amount of data combinations that can be represented using a single byte?

    <p>256 possible combinations</p> Signup and view all the answers

    Which unit is used to express a computer memory of 524288 bytes?

    <p>512KB</p> Signup and view all the answers

    What does the term 'word' refer to in the context of computers?

    <p>The number of bits processed or transmitted at a time</p> Signup and view all the answers

    In which number system are the symbols 0-9 used for representation?

    <p>Decimal number system</p> Signup and view all the answers

    Why is a computer with a larger word length considered more powerful and faster?

    <p>It can process more data at a time</p> Signup and view all the answers

    Study Notes

    Data Representation in Computers

    • The basic unit of data representation in computers is a bit.
    • A bit stands for Binary Digit.
    • A bit can convey 2 possible states (0 or 1).

    Binary Number System

    • The binary number system is the basis for the bit unit of data representation.
    • In the binary number system, the existence of current in a computer bit represents a 1, and the absence of current represents a 0.

    Bytes

    • A single byte can represent a total of 2^8 (256) possible data combinations.
    • A byte is a unit of data representation that consists of 8 bits.

    Memory Units

    • The unit used to express a computer memory of 524288 bytes is Kilobyte (KB).
    • 1 Kilobyte (KB) is equal to 1024 bytes.

    Word in Computer Context

    • In the context of computers, the term 'word' refers to a unit of data that a computer processor can process in a single operation.
    • The size of a word varies depending on the computer architecture.

    Number Systems

    • The symbols 0-9 are used for representation in the decimal number system.

    Word Length and Computer Performance

    • A computer with a larger word length is considered more powerful and faster because it can process more data at a time.

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    Description

    Test your knowledge of data representation in computers, focusing on the use of binary numbers and electronic signals. Understand how computers interpret and process data through the use of electrical flow and binary digits.

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