21.  What is the size of an int data type? 
Answer: (c).Depends on the system/compiler

22.  What is short int in C programming? 
Answer: (c).short is the qualifier and int is the basic datatype

23.  Which is correct with respect to size of the datatypes? 
Answer: (c).char < int < double

24.  A mathematicalmodel with a collection of operations defined on that model is called 
Answer: (b).Abstract Data Type

25.  Representation of data structure in memory is known as: 
Answer: (b).abstract data type

26.  An ADT is defined to be a mathematical model of a userdefined type along with the collection of all ____________ operations on that model. 
Answer: (c).Primitive

27.  Theoretical computer science refers to the collection of such topics that focus on the__________, as well as mathematical aspects of computing. 
Answer: (c).Both (a) and (b)

28.  Data type is the classification of pieces of information in a____________. 
Answer: (c).Program

29.  A dynamic data structure is one in which the memory for elements is allocated dynamically at runtime. Is this statement True or False? 
Answer: (a).True

30.  Maintaining an efficient communication between programmers is job done by 
Answer: (d).Design patterns
