Operation between an integer and float always yields a float result.
True
False
Correct Answer :
A. True
Related Questions
An array elements are always stored in _________ memory locations.
Sequential
Random
Sequential and Random
None of the above
The contents of a file opened in 'r+' mode cannot be changed.
True
False
The output of the following code is:
void main()
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
b=100 a=100
b=100 a=0
b=0 a=100
Error
C is a ___ language
High Level and Procedural
Low Level and OOPS
Middle Level and Procedural
Machine Level and OOPS
The output of the following code is:
void main()
{
int a = 20;
printf("%d\t%d
", ++a, a);
}
{
int a = 20;
printf("%d\t%d
", ++a, a);
}
21 21
20 21
21 20
20 20
Nested macros are allowed.
True
False
Which classes allow primitive types to be accessed as objects?
Storage
Virtual
Friend
Wrapper
The statement "for (i = 0, j = 2; j <= 10; j++)" is a valid statement in 'C'.
True
False
The printf() function retunes which value when an error occurs?
Positive value
Zero
Negative value
None of these
The expression "int i = j = k = 0;" is invalid.
True
False
static variable will not always have assigned value.
True
False
A multidimensional array A[10][9] can store-------- number of elements
91
88
90
89
The output of the following code is:
void main()
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
10
0
12
None of the above
gets() and puts() are unformatted I/O functions.
True
False
A continue statement causes execution to skip to
the return 0; statement
the first statement after the loop
the statement following the continue statement
the next iteration of the loop
The output of the following code is:
void main()
{
char a = 'B';
switch (a)
{
case 'A' : printf("a");
case 'B' : printf("b");
default : printf("c");
}
{
char a = 'B';
switch (a)
{
case 'A' : printf("a");
case 'B' : printf("b");
default : printf("c");
}
B
b
bca
bc
The-------------------- statement helps immediate exit from any part of the loop
break
continue
exit
All of the above
struct stud
{
int roll;
char name[20];
float marks;
} *p;
What will be the byte size of p?
24
2
26
None
What will be output if you will compile and execute the following c code?
#include
int main(){
char c=125;
c=c+10;
printf("%d",c);
return 0;
}
135
+INF
-121
-135
What is the right way to access value of structure variable book{ price, page }?
printf("%d%d", book.price, book.page);
printf("%d%d", price.book, page.book);
printf("%d%d"< price::book< page::book);
printf("%d%d", price>book, page>book);
What will be output if you will compile and execute the following c code?
#include
#define x 5+2
int main(){
int i;
i=x*x*x;
printf("%d",i);
return 0;
}
27
343
233
Compiler Error
What's wrong? (x = 4 && y = 5) ? (a = 5) ; (b = 6);
the question mark should be an equal sign
the first semicolon should be a colon
there are too many variables in the statement
the conditional operator is only used with apstrings
What's wrong? while( (i < 10) && (i > 24))
the logical operator && cannot be used in a test condition
the while loop is an exit-condition loop
the test condition is always true
the test condition is always false
What is Keywords?
Keywords have some predefine meanings and these meanings can be changed.
Keywords have some unknown meanings and these meanings cannot be changed.
Keywords have some predefine meanings and these meanings cannot be changed.
None of the above
What would be the output of the following program?
int x=40;
main(){
int x=20;
printf("
%d",x);
}
main(){
int x=20;
printf("
%d",x);
}
40
20
Compilation Error
Garbeg Value
Which options shows the correct hierarchy of arithmetic operators
**, * or /, + or -
**, *, /, +, -
**< /< *< +<-
/ or *, - or +
The output of the following code is:
main()
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
Infinite loop
9
0
None
Which of the following is a valid destructor of the class name "Country"
int ~Country()
void Country()
int ~Country(Country obj)
void ~Country()
A pointer is an indication of the variable to be accessed next.
True
False
When is std::bad_alloc exception thrown?
When new operator cannot allocate memory
When alloc function fails
When type requested for new operation is considered bad< thisexception is thrown
When delete operator cannot delete teh allocated (corrupted) object