77 EXAMPLES AND EXERCISES OF C PROGRAMMING

77 EXAMPLES & EXERCISES OF C PROGRAMMING 45

47 - Reverse_Number.c source code

47 - Reverse_Number.c utput file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 46

48 - Countdown_In_Descending_Order.c source code

48 - Countdown_In_Descending_Order.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 47

49 - Electrical_Power_Calculator.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 48

77 EXAMPLES & EXERCISES OF C PROGRAMMING 49

49 - Electrical_Power_Calculator.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 50

4. ARRAY

50 - 1Array_Initializing.c source code

50 - 1Array_Initializing.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 51

51 - 2Array_with_Loop.c source code

51 - 2Array_with_Loop.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 52

52 - 3Array_Two_Dimentional.c source code

52 - 3Array_Two_Dimentional.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 53

53 - 4Passing_Arrays_as_Function_Arguments.c source code

53 - 4Passing_Arrays_as_Function_Arguments.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 54

54 - 5Array_Find_Average.c source code

54 - 5Array_Find_Average.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 55

55 - 6Array_Find_Total.c source code

55 - 6Array_Find_Total.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 56

56 - 7Array_Total_Daily_Rainfall_For_A_Weeks.c source code

56 - 7Array_Total_Daily_Rainfall_For_A_Weeks.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 57

57 - 8Array_Average_Marks.c source code

57 - 8Array_Average_Marks.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 58

58 - 9Array_Find_Event_Number.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 59

58 - 9Array_Find_Event_Number.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 60

59 - 10Array_Find_Average_For_Two_Dimentional_Marks.c source code

59 - 10Array_Find_Average_For_Two_Dimentional_Marks.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 61

5. FUNCTION.

60 - 1Function_User_Defined.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 62

60 - 1Function_User_Defined.c output file
61 - 2Function_Find_Minimum_Value.c source code

61 - 2Function_Find_Minimum_Value.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 63

62 - 3Function_Call_By_Value.c source code

62 - 3Function_Call_By_Value.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 64

63 - 4Function_Call_By_Reference.c source code

63 - 4Function_Call_By_Reference.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 65

64 - 5Function_Annual_Income.c source code

64 - 5Function_Annual_Income.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 66

65 - 6Function_Calculate Volume For Sphere.c source code

65 - 6Function_Calculate Volume For Sphere.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 67

66 - 7Function_Draw_Face.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 68

66 - 7Function_Draw_Face.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 69

67 - 8Function_Choose_Face_To_Draw.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 70

77 EXAMPLES & EXERCISES OF C PROGRAMMING 71

77 EXAMPLES & EXERCISES OF C PROGRAMMING 72

67 - 8Function_Choose_Face_To_Draw.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 73

68 - 9Function_Draw_House.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 74

68 - 9Function_Draw_House.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 75

69 - 10Function_Pass_by_Value.c source code

69 - 10Function_Pass_by_Value.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 76

70 - 11Function_Sum1.c source code

70 - 11Function_Sum1.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 77

71 - 12Function_Sum2.c source code

71 - 12Function_Sum2.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 78

6. POINTER.

72 - Pointer.c source code

72 - Pointer.c output file
73 - Pointer_AccessThevalueofavariables.c source code

73 - Pointer_AccessThevalueofavariables.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 79

74 - Pointer_ReferenceOperatorandDereferenceOperator.c source code

74 - Pointer_ReferenceOperatorandDereferenceOperator.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 80

7. APPLICATIONS.

75 - Calculate_Paracetamol_Dose.c source code

75 - Calculate_Paracetamol_Dose.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 81

76 - Games_Tic_Tac_Toe.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 82

77 EXAMPLES & EXERCISES OF C PROGRAMMING 83

76 - Games_Tic_Tac_Toe.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 84

77 - Ohms Law Calculator.c source code

77 EXAMPLES & EXERCISES OF C PROGRAMMING 85

77 EXAMPLES & EXERCISES OF C PROGRAMMING 86

77 - Ohms Law Calculator.c output file

77 EXAMPLES & EXERCISES OF C PROGRAMMING 87

77 EXERCISES OF C PROGRAMMING

1. The term 'programming language' is defined as
A. The language which machines communicate with machines
B. The language which machines communicate with humans
C. The language which humans communicate with computers
D. The special language for machines

2. Algorithm is defined as
A. The sequence of steps required to provide a solution to a problem
B. The sequence to provide a solution to a case
C. The instructions to get the output
D. Combined the instructions in a program

3. Alphabetic and numeric combinations, however they must all begin with
an alphabet. Only the underscore (_) may be used as a special character.
This statement is referring to
A. Constants
B. Variables
C. Identifiers
D. Keywords

4. Select the program's output from the following:

#include<stdio.h>
int main()
{
int i=1;
i= 2+2*i++;
printf(“%d”,i);
return 0;
}

A. 3
B. 4
C. 5
D. 6

5. In a "switch-case" statement, which of the following cannot be checked?
A. enum
B. integer
C. character
D. float

77 EXAMPLES & EXERCISES OF C PROGRAMMING 88

6. Daniel wants to design a program to generate the eligible age to apply for a driving license.
Choose the appropriate control structure to solve problem above.
A. if - else
B. switch - case
C. for
D. do - while

7. "Repeat the section of your program based on a specified number of times."
The above statement is referring to
A. for
B. if
C. if - else
D. switch case

8. What will the program's results be?

#include<stdio.h>
int main ()
{
int i=0;
for (i=1; i<=5; i++)
{printf ("%d", i);}
return 0;
}

A. 0 1 2 3 4 5
B. 0 1 2 3 4
C. 1 2 3 4
D. 1 2 3 4 5

9. Identify the elements in planning process.
i. Calculation
ii. Process
iii. Input
iv. Output
v. Progress

A. i, ii, and iii only
B. ii, iii and iv only
C. iii and iv only
D. All of the above.

10. If a is an integer variable, after modulus operation a = 5%2; will return a value
A. 0
B. 1
C. 2
D. 2.5

77 EXAMPLES & EXERCISES OF C PROGRAMMING 89

11. What is the definition of programme?
A. A person, who designs, writes and tests computer programs.
B. A computer tool that allows a programmer to write commands in a format.
C. A translated code that the computer can understand and execute.
D. A specific set of ordered operations for a computer to perform.

12. The programming language structure or grammar refers to the C ____________________.
A. Syntax
B. Grammar
C. Language
D. Semantics

13. C programming is considered a ___________________.
A. Low-Level Language
B. Intermediate Level Language
C. High-Level Language
D. Assembly Language

14. _________________ are closer to human languages and easier to understand. It is also used
to develop complex applications.
A. Machine Language
B. Intermediate Level Language
C. High-Level Language
D. Assembly Language

15. Below are the processes that take place in the pre-processor and compiler during a
compilation process EXCEPT?
A. Replace macro with code
B. Comments removal
C. Generates an executable file
D. Include header file

16. Below are acceptable definitions of a programme EXCEPT?
A. A well-organized set of guidelines that specify to the computer what to do and how
to do it.
B. A numbered list of instructions to perform some task usually used to outline the
general steps in an algorithm without having to write the actual codes.
C. A set of source code written in computer programming language meant for a specific
task and executed in certain sequences.
D. A text file containing sequences of C semantics put together according to C syntax.

77 EXAMPLES & EXERCISES OF C PROGRAMMING 90

17. _________________ contains only numerical information and is difficult to be understood
by a human.
A. Machine Language
B. Intermediate Level Language
C. High-Level Language
D. Assembly Language

18. C programs are converted into machine language with the help of _________________.
A. an interpreter
B. an editor
C. a builder
D. a compiler

19. Which of the following statements BEST describes a programmer?
A. A person who designs computer programs.
B. A person who composes instructions for the computer system.
C. A person who designs, writes, and test computer programs.
D. A person who test computer programs.

20. The vocabulary of commands understood by humans and can be converted into machine
language refers to the C ______________.
A. syntax
B. grammar
C. language
D. Semantics

21. Listed below are the types of programming EXCEPT?
A. Modular programming
B. Structured programing
C. High-Level programming
D. Object-Oriented programming

22. The programming tool uses linked symbols to show the sequence of steps needed to solve a
programming problem.
A. Pseudocode
B. Flowchart
C. Input Process Output (IPO) Table
D. Grid Table

23. Name the flowchart symbol below.

A. Terminal
B. On-page Connector
C. Off-page Connector
D. Subroutine

77 EXAMPLES & EXERCISES OF C PROGRAMMING 91

24. Which of the following descriptions of the algorithm is FALSE?
A. Algorithm must specify a list of steps to be executed in the right order.
B. Algorithm can be represented using a flowchart or pseudocode.
C. Algorithm can be described as a procedure to solve a problem.
D. Algorithm is written only after the coding has been completed.

25. The following pseudocode is an example of a ____________ structure.
START
1. Get Num
2. While(Num>0)
2.1 Sum = Sum + Num
2.2 Num = Num + 1
1. Display Sum
STOP

A. Selection
B. Nested
C. Sequential
D. Looping

26. Does the following flowchart represent which control structure in C programming?

A. if else selection structure
B. switch case selection structure
C. while repetition structure
D. do while repetition structure

27. Which of the following benefits of flowcharting is NOT one?
A. Easier coding
B. Facilitates debugging
C. Effective analysis
D. Improper documentation

77 EXAMPLES & EXERCISES OF C PROGRAMMING 92

28. _______________ is a compact and informal text-based approach to documenting an
algorithm.
A. Histogram
B. Pseudocode
C. Flowchart
D. IPO Chart

29. In a flowchart, the geometrical figure shown below represents.

A. Input and output
B. Subroutine
C. Decisions
D. Process

30. The following pseudocode is an example of a ____________ structure.

START
1. Read A, B
2. Calculate Sum = A + B
3. Display Sum

STOP
A. Selection
B. Sequential
C. Repetition
D. Nested

31. Identify which control structure does the following flowchart represent in C programming?

A. if selection structure
B. switch case selection structure
C. if else selection structure
D. nested if selection structure

32. Which of the following is an advantage of pseudocode?
A. Difficult for beginners to follow the program logic.
B. Facilitates analysis, coding, and debugging processes.
C. No standardized style or format.
D. It does not provide a visual representation of an algorithm.

77 EXAMPLES & EXERCISES OF C PROGRAMMING 93

33. Which of the following is NOT a fundamental C data type?
A. float
B. real
C. int
D. char

34. Which of the following does NOT qualify as a valid bit representation?
A. 8 bit
B. 24 bit
C. 32 bit
D. 64 bit

35. Identify the INCORRECT statement for 'identifier'.
A. An identifier cannot begin with a digit.
B. There cannot be any spaces between the characters in an identifier.
C. Other than underscore, no special symbols may be used.
D. Reserved words can be used as identification.

36. What are the names of the entities whose values can be modified?
A. Tokens
B. Variables
C. Constants
D. Modules

37. If ‘a’ is an integer variable, then a = 5/2; will return a value of?
A. 2.5
B. 0
C. 2
D. 3

38. What should be the appropriate value returned to the operating system when a programme
has successfully run?
A. -1
B. 0
C. 1
D. Programs do not return a value.

39. Which one function is a need for all C programmes?
A. system ()
B. program ()
C. main ()
D. start ()

40. What type of punctuation marks the start and end of a code block?
A. { }
B. ( )
C. [ ]
D. BEGIN and END

77 EXAMPLES & EXERCISES OF C PROGRAMMING 94

41. Every statement in C programming must end with a _________________.
A. period (.)
B. backslash (\)
C. colon (:)
D. semicolon (;)

42. Text enclosed in /* */ in a C program ____________________.
A. gives instructions to the processor
B. declares memory requirements.
C. is ignored by the C compiler.
D. causes a syntax error.

43. Which of the following are INVALID identifiers?
i. R3D3
ii. per-capita
iii. phone#
iv. ice_cream
v. 91_gold

A. i, ii, iv, v
B. i, iv
C. ii, iii, v
D. ii, iv, v

44. What is the correct statement to declare a constant?
A. constant a=10;
B. const int a=10
C. const int a=10;
D. #define a 10;

45. An identifier in C ___________________________.
A. cannot contain any uppercase or lowercase letters, decimal digits, or the underscore
character
B. can have no more than one embedded blank
C. can begin with an underscore
D. can be a reserved word

46. Pick one of the following symbols that can be included in a variable name.
A. asterisk (*)
B. hashtag (#)
C. addition (+)
D. underscore (_)

47. Select the operator with the lowest level of precedence.
A. +
B. =
C. *
D. <