mca1020-model question paper

8/13/2019 MCA1020-Model Question Paper

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Model Question Paper

Subject Code: MCA1020

Subject Name: Programming in C

Credits: 4 Marks: 140

Notes:

1. Question paper is divided into three parts i.e. Part A, Part B, and Part C.

2. Part A consist 40 questions of 1 mark each

3. Part B consist 20 questions of 2 marks each.4. Part C consist 15 questions of 4 marks each.

5. All questions are compulsory

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Part A (One mark questions)

1. C language is developed by ---------------

A) Martin

B ) Charles BabbageC) Dennis Ritchie

D) Claude Shanon

2. C language is strongly associated with ------------------

A) UNIX

B) FORTRAN

C) COBOL

D) none of these

3. A C program can be viewed as a group of building blocks called -------------


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A) structures

B) functions

C)keywordsD)switchs

4. Every statement in C program must terminate with ---------------.

A) semi colon

B) colon

C) double quotes

D) single quotes

5. ________is a place where we can store values.

A) Keyword

B) Variable

C) Constant

D) function

6. Size of float data type is _________ bits.

A)6 B) 8

C) 16

D) 32

7. The ____________ of a variable determines what kinds of values it may take on.

A) location

B) name

C) data type


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D) time of delcaration

8. ---------------- is a sequence of characters enclosed within double quotes.

A) string constant

B) character constant

C) integer constant

D) any of these

9. Operators are used in programs to manipulate ----------------.

A) data

B) variables

C) keywords

D) both A) and B)

10. The ------------------ operator gives you the remainder when two integers are divided.

A)% B)+

C) @

E) /

11. The ++ operator is ---------------------

A) unary

B) binary

C) terneray

D) either A) or B)

12. The -------------- can be used to link the related expressions together..

A) # operator


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B) comma operator

C) tild operator

D) semicolon

13. The size of floating point data is ----------------.

A) 32 bits

B) 16 bits

C) 8 bits

D) 4 bits

14. A double data type uses --------------- bits.

A) 8

B) 4

C) 16

D) 64

15. All keywords must be written in ---------------------

A) uppercases

B) lowercase

C) either A) or B)

D) Should start with underscore

16. Keywords are also called--------------.

A) builtin functions

B) default words

C) reserved words


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D) control words

17. In order to stop reading the input character, you can use a value called

__________________.

A) NUl

B) EOF

C) Nil

D) 1010

18. What is the output of the following program segment?

int a=97;

printf(%c, a);

A) a

B) 97

C) ErrorD) A

19. To print an int argument in octal, you can use ___ format string

A)%i

B) %e

C) %c

D) %o

20. What is the output of the following statement.


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printf( %d %o %x , 100, 100, 100);

A) 100 100 100

B) 100 100 64C) 100 144 64

D) 100 144 100

21. ------------- is a unconditional control statement.

A) for

B) goto

C) switch

D) default

22. The -------------- statement requires a label in order to identify the place where the

branch is to be made.

A) for

B) switchC) goto

D) break

23. It is a good programming practice to avoid the use of ------------------ statement.

A)switch

B) for

C) default

D) goto

24. if statement is also called ------------------ statement.


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A) looping

B) exit

C) conditional controlD) unconditional control

25. --------------- is used in a situation where we need to execute the body of the loop

before the test is performed.

A) for loop

B) goto statement

C) switch statement

D) do while loop

26. The -------------- statement is used to exit from a loop.

A) for

B) switchC) break

D) goto

27. It is a good programming practice to avoid the use of ------------------ statement.

A)switch

B) for

C) default

D) goto


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28. The ------------------------- causes the control to go directly to the test-condition and

then to continue the iteration process.

A) breakB) continue

C) default

D) cont

29. .------------------is a self-contained program segment that carries out some specific,

well-defined task..

A) loop

B) structure

C) function

D) variable

30. Every C program contains ------------------ functions. A) one

B) one or more

C) three

D) may be zero

31. ----------------------------are the special identifiers through which information can be

passed to the function..

A) labels

B) variables

C) constants

D) parameters


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32. Each argument of a function should have-----------.

A) name

B) typeC) both name and type

D) either A) or B)

33. ------------------- are channels of communication within a program.

A) variables

B) structures

C) functions

D) constants

34. 2. Variable which can be recognized only within a single function is called--------------

----.

A) Global variable

B) Local variableC) Extern variable

D) Static variable

35. ---------------------------- refers to the persistence of a variable and its scope within the

program.

A) labels

B) recursion

C) inheritance

D) Storage class

36. Variables declared within functions are called--------- variables .

A) global


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B) local

C) internal

D) inner37. ------------------- is a collection of similar type of elements.

A) Array

B) Structure

C) Function

D) variable

38. What is the library function used to copy one string to another ?

A) strcpy()

B) stcopy()

C) strcopy()

D) stcp()

39. The end of the string is marked with a special character called --------------- .

A) auto

B) EOF

C) the null character

D) none of these

40. Which of these library function is used to concatenate strings.

A) strcmp

B) stcat

C) strct

D) strcat


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41. There are some variables that are used in more than one function, which are called-

---------- variables

A) static

B) dynamic

C) local

D) global

42. Which of the following function is used for reading a number from a keyboard ?

A) scanf()

B) getch()

C) printf()

D) readnum()

43. Identify a valid variable name from the following list.

i. sum

ii. avg

iii. s,um

iv. average

v. 9total

A) i, iii, iv, and v only

B) i, ii, and iv only

C) i, and iv only

D) ii,iii,iv and v only


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44. ------------- tells the compiler the name and type of a variable you'll be using in your

program.

A) initialization

B) declaration

C) definition

D) instantiation

45. Which of the following is a ternary operator ?

A) &&

B) ||

C) ->

D) ?:

46. What is the value of the following arithmetic expression?

14 % 3 + 7 % 2

A) 5

B) 6

C) 3

D) 2

47. Which of the following is a valid keyword ?

A) auto

B) whil

C) lse


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D) switched

48. If the value of X is 35.2, what is the value of A in the following expression?

A = (int)(X+0.5);

A) 35

B) 35.7

C) 35.2

D) 35.5

49. What is the output of the following program segment

char c = 'A';

int i = 97;

printf("c = %c, i = %d\n", c, i);

A) c= A , i= 97

B) c=a, i= A

C) c= A , i=a

D) c=97 , i=a

50. Which of these functions facilitate the transfer of strings between the computer and

the standard input/output devices?

A) gets()

B) puts()

C) sets()

D) both A) and B)


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51. The conditional operator takes ----------- operands.

A) two

B) nilC) one

D) three

Ans : D) three

52. --------------- is substitute for a long if statement.

A) else if statement

B) switch statement

C) for statement

D) default statement

53. The conditional operator does not produce ----------------.

A) result

B) lvalue

C) rvalue

D) constant

54. The conditional operator is also called------------operator.

A) ternary

B) binary

C) unary

D) arithmetic

55. Which of these loops is / are a entry controlled loop.


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A) for loop

B) while loop

C) do while loopD) both A) and B)

56. Which of these loops is / are a exit controlled loop.

A) for loop

B) while loop

C) do while loop

D) both A) and B)

57. A for loop contaions ----------------.

A) initial expression

B) update expression

C) loop condition

D) all of these

58. Identify the syntax of a for loop.

A) for(expr1; expr2; expr3)

B) for(expr1: expr2 : expr3)

C) for(expr1, expr2, expr3)

D) for(expr1 expr2 expr3);

59. In a structure the link between a member and a variable is established using the -----

----- operator.

A) asterik


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B) dot

C) matrix

D) seed

60. A___________ is a convenient tool for handling a group of logically related data

items.

A) array

B) function

C) structure

D) loop

61. State true or false

i. C compilers are commonly available for computers of all sizes.

ii. C language was developed along with the Windows operating system, it is stronglyassociated with Windows.

iii. A C program can be viewed as a group of building blocks called functions .

A) true, true, false B) true, false, true C) false, true, true D) false, true, false

62. Match the following

I. Integer 1. keyword

II. float 2. Does not vary

III. static 3. 16 bits

IV. constant 4. 8 bits


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C) true, false, true

D) false, true, true


i. gets() and puts() functions facilitate the transfer of strings between the computer and

the standard input/output devices.

ii. getchar() function is used to accept a single character from the keyboard and

putchar() function is used to display single character on the user s screen.

iii. scanf() and printf() are the two formatted input/output functions.

A) true , true, true

B) false, false, false




I. goto 1. default

II. switch 2. unconditional

III. ? : 3. conditional

IV. if 4. ternary

A) I- 4 II-3 III-1 IV-2

B) I-3 II-4 III-2 IV-1

C) I-2 II-1 III-4 IV-3


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D) 1-4 II-2 III-1 IV- 3


I. Do while 1. switch

II. while 2. exit controlled

III. break 3. inital, loop condition, update expressions

IV. for 4. entry controlled

A) I- 4 II-3 III-1 IV-2

B) I-3 II-4 III-2 IV-1

C) I-2 II-4 III-1 IV-3

D) 1-4 II-2 III-1 IV- 3


i. The function main() is optional in a C program

ii. The keyword extern is optional in function prototype declarations

iii The towers of Hanoi problem is best example for recursion .






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i. The arguments that appear in function definition are called actual argumentsii. The arguments that appear when the function is called are the formal arguments.

iii. The function prototype is nothing but the function declaration.


B) false, false, true




i. The scope of static variables and automatic variables is the same.

ii. By default, a static variable is initialized to zero.

iii. To make a variable as an external declaration, which is defined somewhere else, youprecede it with the keyword extern .






i. The variables declared in the main() function are the global variables.

ii. The global variables are more secured than the automatic variables in a program.


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Iii The function prototype is nothing but the function declaration.


B) false, false, trueC) true, false, true



char str1[10];

str1=Hello, world;

printf(%s, str1);

A) Hello, world

B) =Hello, world

C) Compilation error

D) Syntax error


ii. All elements in the array are referred with the array name.

iii. An array name is a pointer.

iii. Arrays are not limited to type int ; you can have arrays of char or double or any other

type.





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char str1[10];

str1=Hello, world;

printf(%s, str1);

A) Hello, world

B) =Hello, world

C) Compilation error

D) Syntax error


i. All elements in the array are referred with the array name.

ii. Structure is a method for packing data of different types.

iii. The compiler allocates storage for the smallest member of the union.



C) true, true, false



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mca1020-model question paper

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