MCQOPTIONS
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MCQOPTIONS
This section includes 48 Mcqs, each offering curated multiple-choice questions to sharpen your Cairn knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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; } |
| A. | memfree(int p); |
| B. | dealloc(p); |
| C. | malloc(p, 0); |
| D. | free(p); |
| Answer» E. | |
| 2. |
What is x in the following program? #include<stdio.h> int main() { typedef char (*(*arrfptr[3])())[10]; arrfptr x; return 0; } |
| A. | x is a pointer |
| B. | x is an array of three pointer |
| C. | x is an array of three function pointers |
| D. | Error in x declaration |
| Answer» D. Error in x declaration | |
| 3. |
In the following code, the P2 is Integer Pointer or Integer? typedef int *ptr; ptr p1, p2; |
| A. | Integer |
| B. | Integer pointer |
| C. | Error in declaration |
| D. | None of the above |
| Answer» C. Error in declaration | |
| 4. |
What do the 'c' and 'v' in argv stands for? |
| A. | c means argument control v means argument vector |
| B. | c means argument count v means argument vertex |
| C. | c means argument count v means argument vector |
| D. | c means argument configuration v means argument visibility |
| Answer» D. c means argument configuration v means argument visibility | |
| 5. |
___________ programs automatically connects to web sites and download documents and save them to local drive. |
| A. | Web Servers |
| B. | Web Downloading Utilities |
| C. | Offline Browsers |
| D. | None of these |
| Answer» C. Offline Browsers | |
| 6. |
Which of the following language is used to write animation and games in browser ? |
| A. | None of these |
| B. | C Programming |
| C. | HTML |
| D. | Java |
| Answer» E. | |
| 7. |
Software which allows user to view the webpage is called as __________. |
| A. | Operating System |
| B. | Internet Browser |
| C. | Website |
| D. | Interpreter |
| Answer» C. Website | |
| 8. |
Computer that requests the resources or data from other computer is called as ________ computer. |
| A. | Server |
| B. | Client |
| Answer» C. | |
| 9. |
________ programs are automatically loaded and operates as a part of browser. |
| A. | Plug-ins |
| B. | Utilities |
| C. | Add-ons |
| D. | Widgets |
| Answer» B. Utilities | |
| 10. |
Data Structure in which one predecessor may have one or more successor , that data structure is called as __________. |
| A. | Non Primitive Data Structure |
| B. | Primitive Data Structure |
| C. | Linear Data Structure |
| D. | Non Linear Data Structure |
| Answer» E. | |
| 11. |
Select non linear data structures from the list of following data structures ! [Select appropriate options] |
| A. | Array |
| B. | Graphs |
| C. | Linked List |
| D. | None of these |
| Answer» C. Linked List | |
| 12. |
In _________ data structure , data contain hierarchical and network relationship between elements. |
| A. | Non linear |
| B. | Linear |
| Answer» B. Linear | |
| 13. |
Array is an example of ________ data structure. |
| A. | Linear Data Structure |
| B. | Non Linear Data Structure |
| Answer» B. Non Linear Data Structure | |
| 14. |
In linear data structure each and every element have unique predecessor and unique successor ! |
| A. | False |
| B. | True |
| Answer» C. | |
| 15. |
If elements of the data structure forms a sequence of list then it is called as ____________. |
| A. | Primitive data structure |
| B. | None of these |
| C. | Non-primitive data structure |
| D. | Linear data structure |
| Answer» E. | |
| 16. |
Non Primitive data Structures are those which define set of _________. |
| A. | Static Elements |
| B. | None of these |
| C. | Primitive Elements |
| D. | Derived Elements |
| Answer» E. | |
| 17. |
Primitive data Structures are generally _________ data types in programming language. |
| A. | Built in Data Types |
| B. | User Defined Data Types |
| Answer» B. User Defined Data Types | |
| 18. |
_________________ defines a set of primitive elements which do not involves any other element as its sub-part. |
| A. | Primitive Data Structure |
| B. | Non-Primitive Data Structure |
| C. | Non Linear Data Structure |
| D. | Linear Data Structure |
| Answer» B. Non-Primitive Data Structure | |
| 19. |
ADT is called as Abstract because - |
| A. | It is collection of different data types |
| B. | It is completely independent data type |
| C. | Implementation Details are hidden |
| D. | None of these |
| Answer» D. None of these | |
| 20. |
In what kind of storage we can easily insert,delete,concatenate and rearrange substrings ? |
| A. | Stack |
| B. | Linked List |
| C. | Array |
| D. | Queue |
| Answer» C. Array | |
| 21. |
Variable which can be accessed by all modules of the program is called as __________. |
| A. | Auto Variable |
| B. | Local Variable |
| C. | Global Variable |
| D. | Static Variable |
| Answer» D. Static Variable | |
| 22. |
Abstract data type is representation of data structure in the memory ! |
| A. | False |
| B. | True |
| Answer» C. | |
| 23. |
Mathematical Model that can have set of operations that can be performed on that model is called as _________. |
| A. | None of these |
| B. | Composite Data Type |
| C. | Abstract Data Type |
| D. | Primitive Data Type |
| Answer» D. Primitive Data Type | |
| 24. |
Data that can be broken down into small pieces and each sub-field having the some meaning is called as ___________. |
| A. | Dynamic Data |
| B. | Textual Data |
| C. | Composite Data |
| D. | Atomic Data |
| Answer» D. Atomic Data | |
| 25. |
Atomic Data is also called as _____________. |
| A. | None of these |
| B. | Scalar Data |
| C. | Textual Data |
| D. | Dynamic Data |
| Answer» C. Textual Data | |
| 26. |
Single and non-decomposable data is called ______________. |
| A. | Atomic Data |
| B. | Numeric Data |
| C. | Textual Data |
| D. | Composite Data |
| Answer» B. Numeric Data | |
| 27. |
In data structure, data may be of __ types. |
| A. | 4 |
| B. | 1 |
| C. | 3 |
| D. | 2 |
| Answer» E. | |
| 28. |
Data is nothing but ____________. |
| A. | Piece of Information |
| B. | None of these |
| C. | Programming Statement |
| D. | Bunch of Information |
| Answer» B. None of these | |
| 29. |
Term Data Structure refers to _________ and interrelationship between them. |
| A. | None of these |
| B. | Organization of data element |
| C. | Coding Standards |
| D. | Programming Language Statement |
| Answer» C. Coding Standards | |
| 30. |
Point out error in the following code - #include<stdio.h> int main() { int x = 50, y = 100; if(x = = y) printf("x is equal to y\n"); else if(x > y) printf("x is greater than y\n"); else if(x < y) printf("x is less than y\n")l return 0; } |
| A. | Error: R-Value Required |
| B. | Error: Statement missing Semicolon |
| C. | Error: Expression syntax |
| D. | Error: L-Value Required |
| Answer» E. | |
| 31. |
How many times loop will get executed ? #include<stdio.h> int main() { int i = 0; while(i <= 255) { printf("%d", i); i++; } return 0; } |
| A. | 255 Times |
| B. | 256 Times |
| C. | Infinite Times |
| D. | 1 Time |
| Answer» C. Infinite Times | |
| 32. |
Guess the output of the program ? #include<stdio.h> int main() { int i = 1, j = 2; if(i = 1) && if(j = 2) printf("India is my country"); return 0; } |
| A. | Error : Expression Syntax Error |
| B. | No output and No Error |
| C. | Error: Undeclared identifier if |
| D. | Error: Misplaced If |
| Answer» E. | |
| 33. |
Predict the output of the program ? #include<stdio.h> int main() { if(printf("ABC")) printf("True"); else printf("False"); return 0; } |
| A. | ABC |
| B. | ABCTrue |
| C. | ABCFalse |
| D. | True |
| Answer» C. ABCFalse | |
| 34. |
What will be printed if we execute following program ? #include<stdio.h> int main() { float a = 0.3; if(0.3 > a) printf("True\n"); else printf("False\n"); return 0; } |
| A. | None of these |
| B. | True |
| C. | True False |
| D. | False |
| Answer» E. | |
| 35. |
Guess the output of the program ? #include<stdio.h> int main() { int a=0, b=1, c=2; *((a+1 == 1) ? &b : &a) = a ? b : c; printf("%d, %d, %d\n", a, b, c); return 0; } |
| A. | 1,1,2 |
| B. | 0,1,2 |
| C. | 2,2,2 |
| D. | 0, 2, 2 |
| Answer» E. | |
| 36. |
Guess the output of the following program : #include<stdio.h> int main() { int x = 10; float y = 10.0; if(x == y) printf("x and y are equal"); else printf("x and y are not equal"); return 0; } |
| A. | Compile Error |
| B. | x and y are equal |
| C. | Run Time Error |
| D. | x and y are not equal |
| Answer» C. Run Time Error | |
| 37. |
Guess the output of the following program ? #include<stdio.h> int main() { int a = 100, b = 200, c = 300; if(!a >= 500) b = 300; c = 400; printf("%d,%d,%d",a, b, c); return 0; } |
| A. | 100,200,400 |
| B. | 100,300,400 |
| C. | 100,200,300 |
| D. | 100,300,300 |
| Answer» B. 100,300,400 | |
| 38. |
Find output of the following program ? #include<stdio.h> int main() { char str[] = "Smaller"; int a = 100; printf(a > 10 ? "Greater" : "%s", str); return 0; } |
| A. | 100 |
| B. | Compile Error |
| C. | Greater |
| D. | Smaller |
| Answer» D. Smaller | |
| 39. |
How many times below for loop will be executed ? #include<stdio.h> int main() { int i=0; for(;;) printf("%d",i); return 0; } |
| A. | 0 times |
| B. | 1 times |
| C. | 10 times |
| D. | Infinite times |
| Answer» E. | |
| 40. |
Which Committee standardize C Programming Language ? |
| A. | ISO |
| B. | TRAI |
| C. | ANSI |
| D. | W3C |
| Answer» D. W3C | |
| 41. |
Who was Creator of B Language , which inspired Dennis Ritchie to create Strong Procedural Language called C ? |
| A. | James Gosling |
| B. | John W. Backus |
| C. | Ken Thompson |
| D. | Brian Kernighan |
| Answer» D. Brian Kernighan | |
| 42. |
Ritchie and Brian Kernighan jointly carried out the development of C and that version is ________ . |
| A. | K&R C |
| B. | R&K C |
| C. | ANSI C |
| D. | ISO C |
| Answer» B. R&K C | |
| 43. |
C Programming was created in Year _______ . |
| A. | 1980 |
| B. | 1972 |
| C. | 1967 |
| D. | 1976 |
| Answer» C. 1967 | |
| 44. |
Dennis Ritchie received following awards - [Select 2] |
| A. | Turing Award for their development of generic operating systems theory |
| B. | Albert Einstein World Award of Science |
| C. | Nobel Prize |
| D. | Sony Radio Academy Awards |
| Answer» B. Albert Einstein World Award of Science | |
| 45. |
Many features of C were derived from an earlier language called _____. |
| A. | B |
| B. | BCPL |
| C. | BASIC |
| D. | PASCAL |
| Answer» B. BCPL | |
| 46. |
Dennis Was Author of Famous Programming Book _________ . |
| A. | C Programming for Scientist |
| B. | C Programming and Techniques |
| C. | Learn C Step By Step |
| D. | The C Programming Language |
| Answer» E. | |
| 47. |
C Programming was created at ______ by Dennis Ritchie. |
| A. | Haward University |
| B. | MIT University |
| C. | Stanford Lab |
| D. | AT&T Bell Laboratory |
| Answer» E. | |
| 48. |
'this' pointer is _____________________ . |
| A. | Pointer to the current object created in all static and non-static methods |
| B. | Pointer to the current object created for the current class |
| C. | Both A and B |
| D. | Pointer to the current object created in all non-static methods |
| Answer» E. | |