Computer Science Quiz

10 Questions | Total Attempts: 16890

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Computer Science Quiz - Quiz

The device on which you’re viewing this quiz – do you know how it works? There is a vast amount of processes going on under the hood of whatever phone, laptop or tablet you use on a daily basis, an endless array of ones and zeroes all working together to display these words. How does it all work? Test your knowledge on that and all the other facets of computer science in this quiz!


Questions and Answers
  • 1. 
    Which of the following is the binary representation of 4 5/8?
    • A. 

      110.101

    • B. 

      100.101

    • C. 

      10.011

    • D. 

      100.11

  • 2. 
    A segment of a track in a mass storage system
    • A. 

      Pixel

    • B. 

      Address

    • C. 

      Sector

    • D. 

      Flip-flop

  • 3. 
    A numeric value used to identify a memory cell
    • A. 

      Hexadecimal notation

    • B. 

      Boolean operation

    • C. 

      Bit

    • D. 

      Address

  • 4. 
    A means of encoding text in which each symbol is represented by 16 bits
    • A. 

      ISO

    • B. 

      ASCII

    • C. 

      Unicode

    • D. 

      LZW

  • 5. 
    Which of the following storage systems is best suited for storing and retrieving long strings of data that are processed in their sequential order?
    • A. 

      Magnetic disk

    • B. 

      Main memory

    • C. 

      Optical CDs and DVDs

  • 6. 
    Which of the following bit patterns (represented in hexadecimal notation) represents a negative number in two’s complement notation?
    • A. 

      55

    • B. 

      7F

    • C. 

      A6

    • D. 

      08

  • 7. 
    A digital circuit capable of holding a single digit
    • A. 

      Pixel

    • B. 

      Bit

    • C. 

      Key field

    • D. 

      Flip-flop

  • 8. 
    A major standardization organization within the United States
    • A. 

      LZW

    • B. 

      ISO

    • C. 

      ANSI

    • D. 

      ASCII

  • 9. 
    Which of the following bit patterns represents the value 5 in two’s complement notation?
    • A. 

      11111011

    • B. 

      00000101

    • C. 

      11110011

    • D. 

      00011010

  • 10. 
    A means of compressing images by blurring the boundaries between different colors while maintaining all brightness information
    • A. 

      JPEG

    • B. 

      LZW

    • C. 

      MIDI

    • D. 

      GIF

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