Paper 2 CS · UNIT 03 · MOCK TEST

Programming Languages and Computer Graphics — Mock Test 3

25 questions · about 30 minutes. Press End Mock any time to see your score and the correct answers.

0 / 25 answered 00:00

Q1. Statement (I): A friend function and the member functions of a friend class can directly access private and protected data.
Statement (II): A friend function can access private data through the member functions of the base class.
In the light of the above statements, choose the most appropriate answer from the options given below:

ABoth Statement I and Statement II are correct BBoth Statement I and Statement II are incorrect CStatement I is correct but Statement II is incorrect DStatement I is incorrect but Statement II is correct

Q2. Match List I with List II

List I	List II
A. Bezier curves	I. 3-D objects that have translational/rotational symmetry
B. B-Splines	II. Fractal geometry
C. Sweep representations	III. Bias and tension
D. Natural objects	IV. Painting, drawing, CAD

AA-IV, B-I, C-III, D-II BA-II, B-III, C-IV, D-I CA-IV, B-III, C-I, D-II DA-II, B-IV, C-I, D-III

Q3. What will be the output of the following code?

#include <stdio.h>
int main() {
  int a, b, c;
  a = 0x10; b = 010;
  c = a + b;
  printf("%d", c);
  return 0;
}

A20 B24 CGarbage DError

Q4. A three-dimensional array in C++ is declared as int A[a][b][c]. Array elements are stored in row-major order and indexing begins from 0. The address of the element A[r][s][t], in terms of the word length w of an integer, is

A&A[0][0][0] + w(b·c·s + c·r + t) B&A[0][0][0] + w(b·c·r + c·s + t) C&A[0][0][0] + w(a·b·r + c·s + t) D&A[0][0][0] + w(a·b·s + c·r + t)

Q5. What is the output of the following code?

main() {
  struct s1 { char *z; int i; struct s1 *p; };
  static struct s1 a[] = {
    {"Nagpur", 1, a+1},
    {"Raipur", 2, a+2},
    {"Kanpur", 3, a}
  };
  struct s1 *ptr = a;
  printf("%s %s %s\n", a[0].z, ptr->z, a[2].p->z);
}

ANagpur Raipur Kanpur BNagpur Nagpur Nagpur CKanpur Kanpur Kanpur DError

Q6. The Sutherland-Hodgeman method is used on

ASmooth curves BLine segments CConvex polygons DConcave polygons

Q7. What is x in the following program?

#include <stdio.h>
int main() {
  typedef int (*(*arrfptr[3])())[10];
  arrfptr x;
  return 0;
}

Ax is a pointer Bx is an array of three pointers Cx is an array of three function pointers DError in x declaration

Q8. How will you free the memory allocated by the following program?

#include <stdio.h>
#include <stdlib.h>
#define MAXROW 3
#define MAXCOL 4
int main() {
  int **p, i, j;
  p = (int **) malloc(MAXROW * sizeof(int*));
  return 0;
}

Amemfree(int p); Bdealloc(p); Cmalloc(p, 0); Dfree(p);

Q9. The clipping process in computer graphics is used for

AAdding graphics BCopying CZooming DRemoving objects and lines (outside the window)

Q10. Consider the rectangle with vertices (0, 0), (0, 2), (3, 0), (3, 2). It is scaled by 2 along the x-axis and 3 along the y-axis. The new coordinates of the rectangle are

A(0,0), (6,0), (0,4), (6,4) B(0,0), (6,0), (0,4), (3,2) C(0,0), (6,0), (0,6), (6,6) D(0,0), (4,0), (0,6), (4,6)

Q11. Which of the following 2-D transformations is used to resize a 2-dimensional object?

ATranslation BRotation CScaling DShearing

Q12. What is the output of the following code?

main() {
  static float a[] = {13.24, 1.5, 4.5, 5.4, 3.5};
  float *j, *k;
  j = a;
  k = a + 4;
  j = j * 2;
  k = k / 2;
  printf("%f %f", *j, *k);
}

A13.25, 4.5 B1.5, 3.5 C13.24, 1.5, 4.5, 5.4, 3.5 DIllegal use of pointer in main function

Q13. Which of the following is NOT an object-oriented programming language?

APerl BPython CSmalltalk DSQL Plus

Q14. What is the output of the following C program?

#include <stdio.h>
int main(void) {
  int x, *p;
  x = 30;
  p = x;
  printf("%d", *p);
  return 0;
}

A30 Bvalue of x Caddress of x DError

Q15. Multiple inheritance is permitted directly in:
A. C++
B. Java
C. Python
D. VB.NET
E. BASIC
Choose the most appropriate answer from the options given below:

AA and B Only BA and C Only CB and D Only DMore than one of the above

Q16. Which of the following are markup languages?
A. HTML
B. XML
C. DHTML
D. LML
E. PML
Choose the correct answer from the options given below:

AB, C, D Only BA, C, D Only CA, C, D, E Only DA, B, C Only

Q17. Arrange the following in the correct order so that they follow a proper run-time environment.
A. Programming statement
B. Compilation
C. Memory allocation
D. Type of variable
E. Memory deallocation
Choose the correct answer from the options given below:

AA, B, C, D, E BA, B, D, C, E CB, A, D, C, E DC, D, B, E, A

Q18. Match List I with List II

List I	List II
A. Union	I. Virtual Reality
B. Function	II. Shadow mask
C. Interactive Environment	III. Subroutine
D. Output device	IV. User-defined data type

AA-IV, B-III, C-I, D-II BA-II, B-IV, C-I, D-III CA-IV, B-II, C-III, D-I DA-I, B-III, C-IV, D-II

Q19. Which of the following algorithms are used for line drawing?
A. DDA algorithm
B. Bresenham algorithm
C. Mid-point algorithm
D. Curve algorithm
Choose the most appropriate answer from the options given below:

AB and C Only BC and D Only CA and B Only DD and A Only

Q20. The least values of signed and unsigned 8-bit data-type variables would be:

A0, 128 B−128, 127 C0, 0 D−128, 0

Q21. In the context of binding, which one of the following is incorrect?

AStatic binding is done at compile time BAbsolute addresses are known at load time CInternal functions are known at link time DThe target of a function is known at run time

Q22. Given
int arr[3][4][2] = {{{2,4},{7,8},{3,4},{5,6}}, {{7,6},{3,4},{5,3},{2,3}}, {{8,9},{7,2},{3,4},{5,1}}};
Which one of the following can be used to refer to the element 1 in the above 3-D array?

Aarr[3][4][2] B*(*(*(arr + 2) + 3) + 1) C*(arr + 2) + *(arr + 3) + *(arr + 1) Darr[2][3][2]

Q23. Allowing different derived classes to be used interchangeably through the interface provided by a common base class is called ______

ADerived polymorphism BCompile-time polymorphism CStatic polymorphism DRun-time polymorphism

Q24. In a ______ curve the first and last vertices of the control polygon lie on the curve, and all other vertices define the derivatives, order and shape of the curve.

AB-spline curve BBoxline curve CBezier curve DGaussian curve

Q25. Inheritance provides the benefits of
A. Shared interfaces
B. Run-time polymorphism
C. Less redundant information
D. Dynamic binding
Choose the correct answer from the options given below:

AA, B, C only BA, B, D only CB, C, D only DA, C, D only