Which of the following language is predecessor to C Programming Language?
A
B
BCPL
C++
Correct Answer :
B. B
Related Questions
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
Which of the following is not true about preprocessor directives
They begin with a hash symbol
They are processed by a preprocessor
They form an integral part of the code
They have to end with a semi colon
A C variable cannot start with
An alphabet
A number
A special symbol other than underscore
both (b) and (c)
------ is the ternary operator
?,-
?,:
++<--
none of the above
printf() is not a library function.
True
False
An array declared as A[100][100] can hold a maximum of 100 elements.
True
False
Nested macros are allowed.
True
False
What is C Tokens?
The smallest individual units of c program
The basic element recognized by the compiler
The largest individual units of program
A & B Both
The output of the following code is:
main()
{
int sub[50];
for(i=0; i<=48;i++)
{
sub[i]=i;
printf("
%d", sub[i]);
}
}
{
int sub[50];
for(i=0; i<=48;i++)
{
sub[i]=i;
printf("
%d", sub[i]);
}
}
0 to 48 will be displayed
48
49
Compilation Error
fprintf()function can be used to write into console.
True
False
A declaration float a, b; occupies ___ of memory
1 byte
4 bytes
8 bytes
16 bytes
The same variable names of automatic type can be used in different functions without any conflict.
True
False
/* The C language.
/* is a procedural language .*/*/
The above statement is valid.
True
False
The output of the following code is:
void main()
{
float a;
int x = 10, y = 3; a = x / y;
printf("%f", a); }
{
float a;
int x = 10, y = 3; a = x / y;
printf("%f", a); }
3.999999
Error
3
3.000000
The expression "b = 3 ^ 2;" will evaluate b = 9.
True
False
The contents of a file opened in 'r+' mode cannot be changed.
True
False
Which header file is essential for using strcmp() function?
string.h
strings.h
text.h
strcmp.h
static variable will not always have assigned value.
True
False
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 is invalid?
''
" "
'a'
abc'
gets() and puts() are unformatted I/O functions.
True
False
Which of the STL containers store the elements contiguously (in adjecent memory locations)?
std::vector
std::list
std::map
std::set
do-while loop is useful when we want the statements within the loop must be executed
Only once
At least once
More than Once
Any one of the above
No commas or blanks are allowed within an integer or a real constant.
True
False
The expression (i + j)++ is illegal.
True
False
The output of the following code is:
int f(int a, int b);
void main()
{
int a = 12, b=154;
printf("%d", f(a, b));
}
int f(int a, int b)
{
if (a<b) return(f(b, a));
if(b==0) return(a);
return (f(b, a % b));
}
void main()
{
int a = 12, b=154;
printf("%d", f(a, b));
}
int f(int a, int b)
{
if (a<b) return(f(b, a));
if(b==0) return(a);
return (f(b, a % b));
}
2
1
Compilation error
Runtime error
Which of the following is not recommended in a header file?
Type definitions (typedefs)
Class definitions
Function definitions
Template definitions
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
Union is used to hold different data at different time.
True
False
Only one break can be used in one loop.
True
False