Programming Languages MCQs – Set 50

By Atul Sahu • Computer Science, Programming Languages

Programming Languages MCQs – Set 50

UGC NET Paper 2 Computer Science AUG 2016 – Programming Languages

981. A C++ function template provides how many levels of generalization?

Programming Languages • Templates • UGC NET Paper 2 Computer Science AUG 2016

A. 4 B. 3 C. 2 D. 1

982. Regarding ADT implementation: A. needs encapsulation syntax; B. needs primitive ops; C. C++, Ada, Java5.0, C#2005 support parameterized ADT. Which is correct?

Programming Languages • Abstract Data Types & Generics • UGC NET Paper 2 Computer Science AUG 2016

A. A,B,C all false B. A and B true; C false C. A true; B,C false D. A,B,C all true

983. The C declaration `int (f())[ ];` declares what?

Programming Languages • C Declarations • UGC NET Paper 2 Computer Science AUG 2016

A. Function returning pointer to array of ints B. Function returning array of pointers to ints C. Array of functions returning pointers D. Illegal statement

984. When class A grants friendship to class B, what is true?

Programming Languages • C++ – Friend Classes • UGC NET Paper 2 Computer Science AUG 2016

A. A’s members access B’s private B. B’s members access A’s private C. Friendship is reciprocal D. No such concept

985. Boundary representation of image object uses ?

Programming Languages • Computer graphics • UGC NET Paper 2 Computer Science AUG 2016

A. Quad Tree B. Projections C. Run length coding D. Chain codes

986. Which is false regarding language evaluation criteria? (1) Application oriented features (2) Efficiency and Readability (3) Software development (4) Hardware maintenance cost.

Programming Languages • Language Evaluation Criteria • UGC NET Paper 2 Computer Science AUG 2016

A. -1 B. C. -2 D. -3

987. If a subclass method matches name and signature of its superclass, it _____ it.

Programming Languages • OOP – Method Overriding • UGC NET Paper 2 Computer Science AUG 2016

A. Overloads B. Friendships C. Inherits D. Overrides

988. Implicit return type of a class constructor is:

Programming Languages • OOP & Constructors • UGC NET Paper 2 Computer Science AUG 2016

A. not class type B. class type C. destructor of class D. destructor not of class

989. Which is correct about abstract classes?

Programming Languages • OOP: Abstract Classes • UGC NET Paper 2 Computer Science AUG 2016

A. They must not be declared abstract if contain abstract methods. B. Cannot be directly new’d. C. Cannot be instantiated. D. Contain implementation definitions.

990. Nested classes in a class: there are _____ types.

Programming Languages • OOP: Nested Classes • UGC NET Paper 2 Computer Science AUG 2016

A. 2 B. 3 C. 4 D. 5

991. Assigning one object reference to another then:

Programming Languages • OOP: References • UGC NET Paper 2 Computer Science AUG 2016

A. creates copy of object B. creates copy of reference C. does not copy reference D. is illegal

992. What value does `int f(int n){ if(n==0) return 0; else return n+f(n-2); }` return for n=100?

Programming Languages • Recursion • UGC NET Paper 2 Computer Science AUG 2016

A. 2550 B. 2556 C. 5220 D. 5520

993. Match variable types to languages: (a) Static vars (b) Stack dynamic (c) Explicit heap dynamic (d) Implicit heap dynamic → (i) Pascal local (ii) APL all vars (iii) Fortran 77 (iv) Java all objects.

Programming Languages • Storage Allocation Strategies • UGC NET Paper 2 Computer Science AUG 2016

A. (i),(iii),(iv),(ii) B. (iv),(i),(iii),(ii) C. (iii),(i),(iv),(ii) D. (ii),(i),(iii),(iv)

994. In C++, `*ptrdata++` is evaluated as:

Programming Languages • C++ operator precedence • UGC NET Paper 2 Computer Science AUG 2016

A. *(ptrdata++) B. (*ptrdata)++ C. *(ptrdata)++ D. Depends on compiler

995. A member function can always access the data in:

Programming Languages • OOP basics • UGC NET Paper 2 Computer Science AUG 2016

A. the class of which it is member B. the object of which it is a member C. the public part of its class D. the private part of its class

996. The associativity of which operator is Left-to-Right in C++?

Programming Languages • Operator associativity • UGC NET Paper 2 Computer Science AUG 2016

A. Unary operator B. Logical not C. Array element access D. Address-of

997. Which is not correct in C++ templates?

Programming Languages • Templates • UGC NET Paper 2 Computer Science AUG 2016

A. Class and function templates instantiate same way. B. Class differ from function in initiation. C. Class template initiated by object definition. D. Class templates used for storage classes.

998. Which is not correct for virtual functions in C++?

Programming Languages • Virtual functions • UGC NET Paper 2 Computer Science AUG 2016

A. Must be declared public B. Virtual can be static C. Should use pointers D. Defined in base class

999. COCOMO authored by?

Software Engineering • Cost estimation • UGC NET Paper 2 Computer Science AUG 2016

A. Silberschatz B. Boehm C. Date D. Knuth

1000. Data mining is?

Software Engineering • Data mining • UGC NET Paper 2 Computer Science AUG 2016

A. extract actionable patterns B. direct OLAP access C. business info tool D. all

Disclaimer for MCQ Quiz
This quiz is for educational purposes only…

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Programming Languages MCQs – Set 50

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