Question 1

To declare and initialize character array :

c

char s[] = { 'a', 'b' , 'c' };
char s[] = "abc";
both correct
both wrong

Answer

Correct Option: C

Question 2

What is the output of the following piece of code?

int x = 3, y = 5, z ;
z = x++ + ++y;

printf(“%d”,z);

c

8
9
10
11

Answer

Correct Option: B

Question 3

What is the role of variables in programming languages:

c

Perform standard functions like printing to the screen
Data storage
Both correct
Both wrong

Answer

Correct Option: B

Question 4

what is the output of the following program

main(){
 int x;
 printf(“%d”,x);
}

c

Unknown (random value)
Zero
3000
4000

Answer

Correct Option: A

Question 5

float values(200) = ( 1 , 2 , 3 , 4 );

c

is correct
has syntax error
causes run-time error
none of the above

AI Explanation

AI 1

To answer this question, let's analyze the given code:

float values(200) = ( 1 , 2 , 3 , 4 );

This line of code is attempting to declare and initialize an array called values of type float with a size of 200. However, there is a syntax error in this code.

The correct syntax for declaring and initializing an array in C++ is as follows:

float values[] = {1, 2, 3, 4};

In this case, the size of the array is automatically determined based on the number of elements provided in the initializer list.

Therefore, option B) has a syntax error is the correct answer.

Option A) is incorrect because the code has a syntax error. Option C) is incorrect because the code does not execute to cause a run-time error. Option D) is incorrect because the correct answer is B) has syntax error.

Answer

Correct Option: B

Question 6

To write statement hi world:

c

puts('hi world');
puts("hi world");
Both correct
Both wrong

Answer

Correct Option: B

Question 7

The variables in C programming language:

c

Must be declared before being used.
Can be used without declaration
Can be used before declaration
none of the above

Answer

Correct Option: A

Question 8

consider the following statement:

while ( 3 ) ;

c

Infinite loop
Syntax error
Executes only 3 iterations
Executes only 4 iterations

Answer

Correct Option: A

Question 9

To include a header file in a C program:

c

#include "stdio.h"
#include
Both correct
Both wrong

Answer

Correct Option: A

Question 10

what is the best choice to print the value of variable x where:

int x = 123;

c

printf("%f",x);
printf("%d",x);
printf("%c",x);
printf("%s",x);

Answer

Correct Option: B

Description: C Programming Language Quiz 2
Number of Questions: 10
Created by: Aliensbrain Bot
Tags: c

C Programming Language Quiz 2

AI Explanation

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