Computer Questions and Answers


Computer

Computer


    1) The vast network of computers that connects millions of people all over the world is called.


  • A)LAN
  • B)Web
  • C)Hypertext
  • D)Internet
Answer: D

    2) The property that, when classes are arranged in a hierarchy, each class assumes the attributes and methods of its ancestors is

  • A)generalization
  • B) inheritance
  • C)encapsulation
  • D)information hiding
Answer: B

    3) The software component of an expert system that draws conclusions is the.

  • A)user interface
  • B)database
  • C)inference engine
  • D)1/0 controller
Answer: C

    4) The attributes and methods for each object are stored in.

  • A)an object instance
  • B)an object connection
  • C)an assembly structure
  • D)an object repository
Answer: D

    5) An E-R diagram is a graphic method of presenting

  • A)primary keys and their relationships
  • B)primary keys and their relationships to instances
  • C)entity classes and their relationships
  • D)entity classes and their relationships to primary keys
Answer: C