What is an array?
An array is a collection of variables that are of the dissimilar data type.
An array is a collection of variables that are of the same data type.
An array is not a collection of variables that are of the same data type.
None of the above.
Correct Answer :
B. An array is a collection of variables that are of the same data type.
Related Questions
strcat() function ----------------------- two strings.
delete
concatenate
compare
none of the above
------ is the ternary operator
?,-
?,:
++<--
none of the above
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 output of the following code is:
main()
{
xyz: goto abc;
printf("Hello");
abc: printf("World");
goto xyz;
}
{
xyz: goto abc;
printf("Hello");
abc: printf("World");
goto xyz;
}
Infinite loop
Hello World
World Hello
Compilation error
/* The C language.
/* is a procedural language .*/*/
The above statement is valid.
True
False
Character data types cannot be declared as unsigned.
True
False
The expression 'int j = 6 + 3 % -9;' evaluates to -1.
True
False
The output of the following code is:
#define sqr(x= x*x)
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
77, 121
225, 121
77< 144
Compilation 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
Which of the following expressions is wrong
float a =123.56;
char ch ='T' * 'A';
char ch ='T' *20;
3 +a = b;
The expression "int i = j = k = 0;" is invalid.
True
False
The-------------------- statement helps immediate exit from any part of the loop
break
continue
exit
All of the above
All elements of a structure are allocated contiguous memory locations.
True
False
Union is used to hold different data at different time.
True
False
The printf() function retunes which value when an error occurs?
Positive value
Zero
Negative value
None of these
Which header file is essential for using strcmp() function?
string.h
strings.h
text.h
strcmp.h
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
enum helps to create user defined datatype.
True
False
static variable will not always have assigned value.
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:
main()
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
0
Nothing will be displayed
Infinite loop
None of the above
Which of the following is not recommended in a header file?
Type definitions (typedefs)
Class definitions
Function definitions
Template definitions
Which of the following is allowed in a C Arithmetic instruction
[]
{}
()
None of the above
The output of the following code is:
void main()
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
2 3
0 3
0 0
2 0
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
Structures within structures cannot be created.
True
False
Which of the following is a valid destructor of the class name "Country"
int ~Country()
void Country()
int ~Country(Country obj)
void ~Country()
The expression (i + j)++ is illegal.
True
False
No commas or blanks are allowed within an integer or a real constant.
True
False
char *s[10] defines an array of ------------------------
pointers to strings
string to pointer
both