1.
The following code ‘for(;;)’ represents an infinite loop. It can be terminated by.
A. break
B. exit(0)
C. abort()
D. All of the mentioned
Answer: A
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2.
The correct syntax for running two variable for loop simultaneously is.A. for (i = 0; i < n; i++)
for (j = 0; j < n; j += 5)
B. for (i = 0, j = 0;i < n, j < n; i++, j += 5)
C. for (i = 0; i < n;i++){}
for (j = 0; j < n;j += 5){}
D. None of the mentioned [expand title="View Answer"]
Answer: B
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3.
Which for loop has range of similar indexes of 'i' used in for (i = 0;i < n; i++)?
A. for (i = n; i>0; i–)
B. for (i = n; i >= 0; i–)
C. for (i = n-1; i>0; i–)
D. for (i = n-1; i>-1; i–)
Answer: D
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4.
Which of the following cannot be used as LHS of the expression in for (exp1;exp2; exp3) ?
A. Variable
B. Function
C. typedef
D. macros
Answer: D
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5.
What is the output of this C code?
#include
int main()
{
short i;
for (i = 1; i >= 0; i++)
printf("%d\n", i);
}
A. The control won’t fall into the for loop
B. Numbers will be displayed until the signed limit of short and throw a runtime error
C. Numbers will be displayed until the signed limit of short and program will successfully terminate.
D. This program will get into an infinite loop and keep printing numbers with no errors
Answer: C
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6.
What is the output of this C code?
#include
void main()
{
int k = 0;
for (k)
printf("Hello");
}
A. Compile time error
B. hello
C. Nothing
D. Varies
Answer: A
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7.
What is the output of this C code?
#include
void main()
{
int k = 0;
for (k < 3; k++)
printf("Hello");
}
A. Compile time error
B. Hello is printed thrice
C. Nothing
D. Varies
Answer: A
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8.
What is the output of this C code?
#include
void main()
{
double k = 0;
for (k = 0.0; k < 3.0; k++)
printf("Hello");
}
A. Run time error
B. Hello is printed thrice
C. Hello is printed twice
D. Hello is printed infinitely
Answer: B
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