Units of Capacity


 
 
Concept Explanation
 

Units of Capacity

Storage Units:

  In computer, the capacity of memory is measured in Mega bytes. Byte is the smaller unit and 1 byte measures 8 bits. The higher units are Kilobytes, Megabytes and Gigabytes.

  • Bit: A bit is a binary digit, the smallest increment of data on a computer. A bit can hold only one of the two values 'o or 1', corresponding to the electrical values 'off or on', respectively.
  • Nibble: One nibble measures four bits in computers. All the memory is stored in terms of bits (1, 0) and four bits are called one nibble.
  • Byte: A group of eight bits is a byte.
  • Kilobyte (KB): It is used to represent 1024 = 2^{10} bytes in computers.
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    Sample Questions
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    Question : 1

    Which of the following is the largest unit of storage ?                                [SBI PO 2015]

    Right Option : D
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    Question : 2

    Which of the following statements are incorrect ?

    1. The higher units are Kilobytes, Megabytes and Gigabytes.

    2. A bit can hold only one of the two values 'o or 1',

    3. Four bits are called two nibble.

    Right Option : D
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    Explanation
    Question : 3

    One kilobyte is equal to ______________

    Right Option : D
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    Explanation
     
     
     


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