Which of the followings can be C identifiers?
Correct answer
This_is_a_variable_for_my_programrect!
Backslash
keyword
what are the values of the variables a, b, c and d after the following statement is executed:
Int a, b = 0, c = 0, d = 0;
a = ++b + c++ – –d;
a = 2, b = 1, c = 1, d = -1
Suppose the following code fragment has been executed:
double x = 2.9;
double z;
z = (int)x+0.1;
printf(“%.1f”,z);
2.1
The C expression
‘2’ + 4
has a value of _____.
‘6’
the mathematical expression
is written in C as follows::Correct!
(x*x – y*y)/(a*a + b*b)
Which of the following is a valid name for an identifier in C?
Emp_Num1
which of the followings cannot be an identifier in C?
I-and-you
for
start*it
2easy
Assume x and y are 2 int variables. The following C expression
x = 0 && y == 1
has a value of _______.
0
Which symbol terminates a C statement?
; (semicolon)
The operator + in a+=4 meansorrect!
a = a + 4
Which of the followings are invalid?
‘ ‘
‘abc’
What is the value of result after executing the following statement in C?
result = 6 + 3 * 4 / 5;
8
A number such as 45.567 needs to be stored in a variable of which data type?
Double
The “\n” character does which of the following operations?
places cursor on the next line
You can have more than one main function.
False
which of the followings cannot an identifier in C?
3id
The following mathematical expression should be written as ______________ in C.
(a+b*h)/(a*b*h)
What is the result of the following C expression?
5 – 4 * 3 / 5 * 2
= 5 – 12/5*2 = 5 – 2*2 = 1
Which operator has the lowest priority ?
||
The compiler ignores comments and they are not translated into machine language.
True
Which symbol terminates a C statement?
(semicolon)