Coding Skill Test -I
Quiz
•
Computers
•
University
•
Practice Problem
•
Medium
ANAND PUROHIT
Used 2+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the basic data types available in C?
boolean
array
string
int, float, double, char, void
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the difference between 'if' and 'switch' control structures.
The 'if' structure is for conditional checks, while 'switch' is for evaluating multiple cases based on a single expression.
'if' is a function, while 'switch' is a variable type.
'if' is used for loops, while 'switch' is for single conditions.
'if' can only handle two cases, whereas 'switch' can handle more than two.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a function in C and how is it defined?
A function in C is a variable that stores data.
A function in C is a type of loop used for iteration.
A function in C is a block of code defined with a return type, name, and parameters, used to perform specific tasks.
A function in C is a keyword that defines a data structure.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe recursion and provide an example of a recursive function.
A function to calculate the sum of an array: function sum(arr) { return arr.reduce((a, b) => a + b, 0); }
A function to reverse a string iteratively: function reverse(str) { let reversed = ''; for (let i = str.length - 1; i >= 0; i--) { reversed += str[i]; } return reversed; }
A function to find the maximum number in an array: function max(arr) { return Math.max(...arr); }
A recursive function to calculate factorial: function factorial(n) { if (n === 0) { return 1; } else { return n * factorial(n - 1); } }
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a pointer in C and how is it used?
A pointer in C is a special kind of loop used for iteration.
A pointer in C is a type of function that returns a variable.
A pointer in C is a variable that stores a string value.
A pointer in C is a variable that holds the address of another variable, used for direct memory access and manipulation.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you dynamically allocate memory in C?
Use malloc(), calloc(), realloc(), and free() functions.
Use printf() to allocate memory.
Use free() to allocate memory.
Use strcpy() for dynamic memory allocation.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a structure in C?
To manage memory allocation in C.
To define functions in C.
The purpose of a structure in C is to group different data types into a single unit.
To create loops in C.
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