This set of MCQ(multiple choice questions) focuses on the Problem Solving Through Programming In C Week 7 Solutions.
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Week 0 : Assignment
Week 1 :Â Introduction to Problem Solving through programs
Week 2 :Â Arithmetic expressions, Relational Operations, Logical expressions; Introduction to Conditional Branching
Week 3 :Â Conditional Branching and Iterative Loops
Programming Assignment
Week 4 :Â Arranging things : Arrays
Programming Assignment
Week 5 :Â 2-D arrays, Character Arrays and StringsÂ
Programming Assignment
Week 6 :Â Basic Algorithms including Numerical Algorithms
Week 7 :Â Functions and Parameter Passing by Value
Week 8 :Â Passing Arrays to Functions, Call by Reference
Programming Assignment
Week 9 :Â Recursion
Week 10 :Â Structures and Pointers
Week 11 :Â Self-Referential Structures and Introduction to Lists
Week 12 :Â Advanced Topics
NOTE: You can check your answer immediately by clicking show answer button. Problem Solving Through Programming In C Week 7 answers” contains 10 questions.
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Problem Solving Through Programming In C Week 7 answers
Q1. Which of the following statements are correct?
1) A string is a collection of characters terminated by ‘\0’.
2) The format specifier %s is used to print a string.
3) The length of the string can be obtained by strlen().
4) strcon() function is used to join two strings.
a) 1, 2
b) 1, 2, 3
c) 2, 4
d) 1, 3
Answer: b) 1, 2, 3
Q2. The right method of initializing a 2D array is
a) int abc[2][2] = {1, 2, 3, 4}
b) int abc[][] = {1, 2, 3, 4}
c) int abc[2][] = {1, 2, 3, 4}
d) All of the above
Answer: a) int abc[2][2] = {1, 2, 3, 4}
Q3. Array passed as an argument to a function is interpreted as
a) Address of all the elements in an array
b) Value of the first element of the array
c) Address of the first element of the array
d) Number of element of the array
Answer: c) Address of the first element of the array
Q4. What will be the outupt?
#include<stdio.h>
int main()
{
int disp[3][4] = {{5, 6, 8, 2}, {4, 5, 3, 7}, {1, 10, 13, 15}};
printf("%d\n", disp[2][1]);
return 0;
}Answer: 10
Q5. Find the output of the following C program.
#include<stdio.h>
int main()
{
char a[10][8] = {"hi", "hello", "fellows"};
printf("%s", a[2]);
return 0;
}a) fellows
b) h
c) fello
d) Compiler error
Answer: a) fellows
Q6. What will be the output?
a) n1=18, n2=17
b) n1=18, n2=18
c) n1=17, n2=17
d) n1=17, n2=18
Answer: a) n1=18, n2=17
Q7. Consider the following C program segment:
a) gnirts
b) gnirt
c) string
d) no output is printed
Answer: d) no output is printed
Q8. If the starting address of an float array Arr[10][10] is 2000, what would be the memory address of the element Arr[5][6]? (float takes 4 bytes of memory)
a) 2268
b) 2120
c) 2224
d) 2144
Answer: c) 2224
Q9. In C, the placement of elements of a two dimensional array is
a) Row wise
b) Column wise
c) Diagonal wise
d) Bottom to top wise
Answer: a) Row wise
Q10. What will be the value of ‘i’ after the execution of the C code fragment given below?
Answer: 0
Problem Solving Through Programming In C Week 7 answers
Q1. The searching operation in an array is done using
a) Key and index
b) Only key
c) Only index
d) None of these
Answer: a)
Q2. Find the output of the following C program
a) fellows
b) h
c) fello
d) Compiler error
Answer: a)
Q3. What will be the output?
a) n1=18, n2=17
b) n1=18, n2=18
c) n1=17, n2=17
d) n1=17, n2=18
Answer: a)
Q4. Consider the following C program segment:
a) gnirts
b) gnirt
c) string
d) no output is printed
Answer: d)
Q5. What will be the value of ‘i’ after the execution of the C code given below?
a) 0
b) 1
c) -1
d) None
Answer: a)
Q6. If the starting address of an float array Arr[10][10] is 2000, what would be the memory address of the element Arr[5][6]? (float takes 4 bytes of memory)
a) 2268
b) 2120
c) 2224
d) 2144
Answer: c)
Q7. In C, the placement of elements of a two dimensional array is
a) Row wise
b) Column wise
c) Diagonal wise
d) Bottom to top wise
Answer: d)
Q8. What will be the output?
Answer: 321004
Q9. What will be the output?
a) the string is empty
b) The string is not empty
c) Error
d) None of the above
Answer: b)
Q10. What is the output of the following C code?
a) Compilation error
b) 7
c) 1
d) 2
Answer: a)
Previous Year – Problem Solving Through Programming In C Week 7 answers
Q1. Which of the following statement/s are false?
I. Array elements are stored in memory in contiguous locations.
II. An integer array always terminates with ‘\0’ (NULL).
a) I
b) II
c) Both I and II
d) None
Answer: b) II
Q2. If two strings are identical, then strcmp() function returns
a) 1
b) 0
c) -1
d) None of these
Answer: b) 0
Q3. Which of the following function is more appropriate for reading in a multi word string?
a) scanf()
b) gets()
c) printf()
d) puts()
Answer: b) gets()
Q4. What will be printed after execution of the following code?
#include<stdio.h>
int main()
{
int a[20] = {10, 20, 30, 40, 50, 60};
printf(“%d”, 3[a]);
return 0;
}
Answer: 40
Q5. What will be the output of the program?
a) Array
b) Array String
c) Array\0String
d) Compilation error
Answer: a) Array
Q6. What will be the output?
a) Programming
b) Language
c) ProgrammingLanguage
d) LanguageProgramming
Answer: c) ProgrammingLanguage
Q7. What will be the output?
a) n1= 8, n2=8
b) n1=9, n2=9
c) n1=8, n2=9
d) n1=9, n2=8
Answer: d) n1=9, n2=8
Q8. What will be the output?
Answer: 720
Q9. What will be the output?
a) assignment
b) tnemngissa
c) nothing will be printed
d) tttttttttt
Answer: c) nothing will be printed
Q10. What will be the output?
a) Two strings are equal
b) Two strings are not equal
c) Would not print anything
d) Compilation error
Answer: c) Would not print anything
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