Instructions: Drag and drop the superordinate nouns into correct places in the sentence definitions below.

  1. MySQL is an open-source relational      (RDBMS). Its name is a combination of "My", the name of co-founder Michael Widenius' daughter, and "SQL", the abbreviation for Structured Query Language.
  2. YouTube is an      headquartered in San Bruno, California, United States.
  3. Google is an American multinational      specializing in Internet-related services and products that include online advertising technologies, search, cloud computing, and software.[7]
  4. The Association for Computing Machinery (ACM) is an international      for computing.
  5. The Institute of Electrical and Electronics Engineers (IEEE, pronounced "I triple E") is a      with its corporate office in New York City and its operations center in Piscataway, New Jersey.
  6. Quicksort (sometimes called partition-exchange sort) is an efficient     , serving as a systematic method for placing the elements of an array in order.
  7. A central processing unit (CPU) is the      within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

This text is adapted from various Wikipedia articles Wikipedia. This text is licensed under the Creative Commons Attribution-Share-Alike License 3.0.

Correct: Wrong: