Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
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Problem Solving Through Programming In C Week 2 Answers (July-Dec 2024)
Q1.Which of the following correctly defines a function in C?
a) Block of statements to perform some specific task
b) It is a fundamental modular unit to perform some task
c) It has a name and can be used multiple times
d) All of the above are true
Answer: d) All of the above are true
Q2.If an integer requires two bytes of storage, what is the maximum value of an unsigned integer in C?
Answer: a)
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These are Problem Solving Through Programming In C Week 2 Nptel Answers
Q3.Which of the following statements is correct?
I. Keywords are those words whose meaning is already defined by Compiler.
II. Keywords cannot be used as variable names.
III.There are 32 keywords in C
IV. C keywords are also called reserved words.
a) I and II
b) II and III
c) I, II and IV
d) All of the above are correct
Answer: d) All of the above are correct
Q4.What will be the output of the following code?
a) 10 5
b) 5 10
c) 0 15
d) Compilation error
Answer: a) 10 5
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These are Problem Solving Through Programming In C Week 2 Nptel Answers
Q5.The following code will print
int main() {
int sum = 3+6/2+6*2;
printf(“%d”, sum);
return 0;
}
Answer: 18
Q6.What will be the output of the following code?
a) 25
b) 13
c) 11
d) Compilation error
Answer: c) 11
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These are Problem Solving Through Programming In C Week 2 Nptel Answers
Q7.Which of the following header files is not a standard C library?
a) stdlib.h
b) math.h
c) iostream.h
d) stdio.h
Answer:c) iostream.h
Q8.What is the primary use of the ‘printf’ function in C?
a) To read input from the user
b) To perform mathematical calculations
c) To display output on the screen
d) To allocate memory dynamically
Answer: c) To display output on the screen
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Q9. What is the purpose of the ‘return’ statement in C?
a) To terminate a loop
b) To end a program
c) To exit a function and return a value
d) To declare a variable
Answer:c) To exit a function and return a value
Q10. What is typecasting in C?
a) Assigning a value to a variable
b) Converting a variable from one data type to another
c) Defining a new data type
d) Initializing a variable with a constant value
Answer: b) Converting a variable from one data type to another
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These are Problem Solving Through Programming In C Week 2 Nptel Answers
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Problem Solving Through Programming In C Nptel Week 2 Assignment Answers (JULY-DEC 2023)
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These are Problem Solving Through Programming In C Assignment 2 Answers
Q1. Which of the following is not a C variable?
a) Count123
b) Count_123
c) Count@123
d) X_123_Count
Answer: c) Count@123
Q2. A function
a) is a block of statements to perform some specific task
b) is a fundamental modular unit to perform some task
c) has a name and can be used multiple times
d) All the above options are true
Answer: d) All the above options are true
Q3. The execution of any C program is
a) Sequential
b) Parallel
c) Multi-threading
d) None of these
Answer: a) Sequential
These are Problem Solving Through Programming In C Assignment 2 Answers
Q4. Syntax error occurs when
a) The rules of grammar of the programming language is violated
b) The statements in the program have no meaning
c) The program gives wrong or undesired output
d) Some illegal operation (e.g. divide by zero) is performed
Answer: a) The rules of grammar of the programming language is violated
Q5. If integer needs two bytes of storage, then the minimum value of a signed integer in C would be
a) -65535
b) 0
c) -32,767
d) -32,768
Answer: d) -32,768
Q6. What will be the output of the program given below?
a) 9
b) 0
c) 1001
d) Compilation Error
Answer: d) Compilation Error
These are Problem Solving Through Programming In C Assignment 2 Answers
Q7. What is the output?
a) 8.00
b) 4.00
c) 0.00
d) 16.00
Answer: d) 16.00
Q8. The following C program swaps the value of two numbers without using any third variable. What will be the correct option to fill up the blank?
a) a=a-b; b=a-b; a=a+b;
b) a=a%b; b=a+b; a=a/b;
c) a=a+b; b=a-b; a=a-b;
d) None of the above
Answer: c) a=a+b; b=a-b; a=a-b;
Q9. What will be the output?
a) 1 3
b) 3 1
c) 1 1
d) 3 3
Answer: b) 3 1
These are Problem Solving Through Programming In C Assignment 2 Answers
Q10. When executed the following code will print _______.
Answer: 18
These are Problem Solving Through Programming In C Assignment 2 Answers
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Problem Solving Through Programming In C Nptel Week 2 Assignment Answers (JAN-APR 2023)
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These are Problem Solving Through Programming In C Assignment 2 Answers
Q1. Which of the following statements is correct?
I. Keywords are those words whose meaning is already defined by Compiler.
II. Keywords cannot be used as variable names.
III. There are 32 keywords in C
IV. C keywords are also called reserved words.
a) I and II
b) II and III
c) I, II and IV
d) All of the above
Answer: d) All of the above
Q2. A function is
a) Block of statements to perform some specific task
b) It is a fundamental modular unit to perform some task
c) It has a name and can be used multiple times
d) All of the above
Answer: d) All of the above
Q3. If an integer needs two bytes of storage, then the minimum value of an unsigned integer in C would be
a) -(216-1)
b) 0
c) -(215-1)
d) -215
Answer: b) 0
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q4. What is the output?
Answer: 5.00
Q5. What is the output?
Answer: 120.00
Q6. Which of the following is a correct C Keyword?
a) breaker
b) go to
c) shorter
d) default
Answer: d) default
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q7. Integers can be of the following type in C?
a) short
b) int
c) long
d) All the above
Answer: d) All the above
Q8. The operator % in C Language is called?
a) Percentage Operator
b) Quotient Operator
c) Modulus
d) Division
Answer: c) Modulus
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q9. What will be the correct value of ‘x’?
int x = 5.6634 + 4.867;
a) x=10
b) x= 11
c) x = 10.530400
d) Compilation error
Answer: a) x=10
Q10) What is a C Storage Class?
a) C Storage decides where to or which memory store the variable.
b) C Storage Class decides what is the default value of a variable.
c) C Storage Class decides what is the Scope and Life of a variable.
d) All the above.
Answer: d) All the above.
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
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Problem Solving Through Programming In C Nptel Week 2 Assignment Answers (JULY-DEC 2022)
Q1. A function is
a) Block of statements to perform some specific task
b) It is a fundamental modular unit to perform some task.
c) It has a name and can be used multiple times
d) All of the above
Answer: d) All of the above
Q2. If an integer needs two bytes of storage, then the minimum value of a signed integer in C would be
a) -(2-16-1)
b) 0
c) -(215 –1)
d) -215
Answer: d) -215
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q3. Which of the following statements is correct?
I. Keywords are those words whose meaning is already defined by Compiler.
II. Keywords cannot be used as variable names.
III. There are 32 keywords in C
IV. C keywords are also called reserved words.
a) I and II
b) II and III
c) I, II and IV
d) All of the above
Answer: d) All of the above
Q4. What will be the output?
#include<stdio.h>
int main() {
int x = 1, y = 3;
int t=x;
x=y;
y =t;
printf("%d %d", x, y),
return 0;
}a) 1 3
b) 3 1
c) 1 1
d) 3 3
Answer: b) 3 1
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q5. When executed the following code will print ______________ .
#include <stdio.h>
int main() {
int sum=3+6/2+6*2;
printf("%d", sum);
return 0;
}Answer: 18
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q6. Which of the following are not standard header files in C?
a) stdio.h
b) conio.h
c) string.h
d) All are standard header file
Answer: d) All are standard header file
Q7. What is the output of the following code?
#include<stdio.h>
#define fun(x) (x*x-x)
void main()
{
float i;
i=37.0/fun(2);
printf("%.2f", i);
}Answer: 18.50
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q8. Which of the following is not a C variable?
a) Var123
b) Var_123
c) 123Var
d) X_123_Var
Answer: c) 123Var
Q9. What is the output of the following program?
a) 6
b) 3
c) 4
d) Compilation error
Answer: d) Compilation error
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers
Q10. The following C program swaps the value of two numbers without using any third variable. What are the correct operations that need to be inserted inside the blanks?
#include <stdio.h>
int main()
{
int a=2, b=3;
printf("The values before swapping a =%d, b=%d", a, b);
____; ____; ____;
printf("The values after swapping a=%d, b=%d", a, b);
return 0;
}a) a=a-b; b=a-b; a=a+b;
b) a=a%b; b=a+b; a=a/b;
c) a=a+b; b=a–b; a=a-b;
d) None of the above
Answer: c) a=a+b; b=a–b; a=a-b;
These are Problem Solving Through Programming In C Nptel Week 2 Assignment Answers