Paper 2 CS · UNIT 03 · MOCK TEST

Programming Languages and Computer Graphics — Mock Test 6

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

0 / 25 answered 00:00

Q1. (Same machine as above: 16 GB main memory, 32-bit virtual address space, 4 KB page size.) What is the minimum number of bits needed for the physical address?

A12 B24 C28 D34

Q2. (Same machine as above: 16 GB main memory, 32-bit virtual address space, 4 KB page size.) The number of bits reserved for the frame offset is ____.

A12 B14 C32 D8

Q3. (Same machine as above: 32-bit virtual address space, 4 KB page size.) Find the number of pages required for the given virtual address space.

A2^10 B2^12 C2^20 D2^30

Q4. Consider a hypothetical machine with 3 pages of physical memory, 5 pages of virtual memory, and as the stream of page references by an application. If P and Q are the number of page faults the application would incur with the FIFO and LRU page-replacement algorithms respectively (assuming enough space for storing 3 page frames), then (P, Q) = ____.

A(11,10) B(12,11) C(10,11) D(11,12)

Q5. For the page reference string 7, 0, 1, 2, 0, 3, 0, 4, 2, 3, 0, 3, 2, 1, 2, 0, 1, 7, 0, 1 with 3 page frames (initially empty), which page replacement algorithm produces the minimum number of page faults?

AFIFO BLIFO CLRU DOptimal

Q6. Which of the following is incorrect for virtual memory?

ALarge programs can be written BMore I/O is required CMore addressable memory is available DFaster and easier swapping of a process

Q7. A memory management system has 64 pages with a page size of 512 bytes. Physical memory consists of 32 page frames. The number of bits required in the logical and physical addresses are respectively:

A14 and 15 B14 and 29 C15 and 14 D16 and 32

Q8. Consider the page-reference string: 0 1 2 3 0 1 4 0 1 2 3 4. If the FIFO page-replacement algorithm is used, find the number of page faults for (a) 3 page frames and (b) 4 page frames, respectively.

A10, 9 B9, 9 C10, 10 D9, 10

Q9.

What would be the equivalent pointer expression for referring the array element ar[ m ][ n ][0]

A* (* (* (ar) +m+n)+0 ) B(* (* (*ar + m) + n) + o) C( * (* (ar+m)+n)+o) D*(*(*(ar+m)+n)+0)

Q10.

Which of the following technique is used for Clipping?

AStack based Seed BScan Line Seed CSutherland-Cohen DInverse Scaling

Q11.

Match List I with List II

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

Q12.

Match List I with List II

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

Q13.

Only legal pointer operations: →

A. pointer + number pointer →

B. pointer - number number →

C. pointer + pointer pointer →

D. pointer - pointer pointer →

E. pointer - pointer number

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

Q14.

Consider the conditional statement if (m == 20 − 10 || n > 10). The order of execution of the following operations is: A. == B. − C. || D. >

AD, B, A, C BB, D, C, A CB, D, A, C DA, B, D, C

Q15.

Arrange the 2-D viewing transformation pipeline.

A. Convert world-coordinates to viewing coordinates

B. Map viewing coordinates to normalized viewing coordinates using window - viewpoint specifications

C. Construct world - coordinates scene using modeling - coordinates transformations

D. Map normalized viewpoint to device coordinates

Choose the correct answer from the options given below:

AD, C, B, A BD, C, A, B CC, A, B, D DB, C, A, D 1

Q16.

The major adverse side effects of scan conversion are ;-

A. Staircase appearance

B. Unequal brightness of slanted lines

C. Picket fence problem

D. Rasterization

E. Pre-filtering and Post-filtering

AA & B only BA, B & C only CB, C & D only DC, D & E only

Q17.

Match List I (functions) with List II (uses). List I: A. fseek(), B. ftell(), C. feof(), D. rewind(). List II: I. Gives the current position in the file; II. Sets the position to the beginning of the file; III. Sets the position to a desired point in the file; IV. Used to test for an end-of-file condition.

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

Q18.

Which of the following statement is not True?

AA data member of a class can be declared as static and is normally used to maintain values common to the entire class. BA friend function can be invoked like a normal function without the help of any object. CThe scope resolution operator (::) can be overloaded like normal operators DMultiple inheritance may lead to duplication of inherited members from a "Grandparent" base class. This may be avoided by making the common base class a virtual base class.

Q19.

Which of the following statements about pointers in C are TRUE.

(A) Pointers can be used to access array elements

(B) Pointers can store the address of another pointer

(D) Pointers cannot be used to access structure members

A(A) and (C) Only B(A) and (B) Only C(B) and (C) Only D(C) and (D) Only

Q20.

Which of the following are TRUE about constructors in C++ ?

(A) A constructor can be overloaded.

(B) A constructor does not have a return type.

(D) A constructor is called when an object is destroyed.

A(B), (C), (D) Only B(B), (C) Only C(A), (B), (C) Only D(A), (B) Only

Q21.

#include<stdio.h>
void f1(char *x, char *y) {
char *t1;
t1 = x;
x = y;
y = t1;
}
void f2(char **x, char **y) {
char *t1;
t1 = *x;
*x = *y;
*y = t1;
}
int main() {
char *a = "ONE", *b = "TWO";
f1(a, b);
printf("%s %s ", a, b);
f2(&a, &b);
printf("%s %s", a, b);
return 0;
}

AONE TWO TWO ONE BTWO ONE ONE TWO CONE TWO ONE TWO DTWO ONE TWO ONE

Q22.

#include<iostream.h>
using namespace std;
void swap(int &x, int &y)
{
int temp=x;
x=y;
y=temp;
}
int main()
{
int a=5, b=10;
swap(a,b);
swap(a,b);
cout<<a<<" "<<b;
return 0;
}

What will be the output of the above code?

A5, 10 B10, 5 C5, 5 D10, 10

Q23.

Arrange the following steps of file handling in C in the correct order :

(A) Close the file

(B) Read from or write to the file

(D) Check for error

A(A), (C), (D), (B) B(D), (B), (C), (A) C(C), (D), (B), (A) D(B), (D), (A), (C)

Q24.

#include<stdio.h>
void main()
{
int arr[ ] = {1, 2, 3, 4, 5};
int *p = arr;
printf("%d", *p++);
printf("%d", *(p+1));
}

Find the output of the above code?

A1,2 B1,3 C2,3 D1,4

Q25.

Which of the following is not an object Oriented Programming language ?

APearl BPython CSmall talk DSQL Plus