This document contains 10 multiple choice questions about C programming concepts: 1. The question asks about a function declaration and the default value of a parameter. 2. The question evaluates the result of a C program calculating values and incrementing a pointer variable. 3. The question asks about getting the memory address of the first element in an array. 4. The question asks about different ways to initialize an array of integers to zero. 5. The question asks about correctly referencing a day of the week field within a structure using a pointer. 6. Additional questions cover ASCII values, function calls, binary files, and Boolean logic evaluations.

1. 1.. Observe following function declaration and choose the best answer:
int divide ( int a, int b = 2 )
a. Variable b is of integer type and will always have value 2
b. Variable a and b are of int type and the initial value of both variables is 2
c. Variable b is international scope and will have value 2
d. Variable b will have value 2 if not specified when calling function
Ans:-d
2 What will be the result of the following program ?
Void main()
{
Int a=8,b=2,c,*p;
C=(a=a+b,b=a/b,a=a*b,b=a-b);
P=&c;
Clrscr();
Printf(“n%d”,++*p);
}
a.
b.
c.
d.
50
46
36
40
Answer is:b
Q3 Which of the following gives the memory address of the first element in array foo, an
array with 100 elements?
A. foo[0];
B. foo;
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2. C. &foo;
D. foo[1];
Ans b
Q4 Which of the following correctly initializes an array arr to contain four elements each with
value 0?
I int [] arr = {0, 0, 0, 0};
II int [] arr = new int [4];
III int [] arr = new int [4];
for (int i = 0; i < arr. length; i ++)
arr [i] = 0;
A.I only
B.I and III only
C.II and III only
D.I, II, and III
ANSWER:D
Q5 Given a pointer to a structure containing a calendar date, which of the following statements
correctly references the day of the week?
a. *date.day
d. ptr->date.day
b. *(date.day)
e. ptr->date->day
c. ptr->day
ANSWER: D
Q6.What is ASCII values of EOF in text files?
a) 25
b) 28
c) 26
d) 22
ans.c
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3. Q7 Consider the declaration
int a=5, *b=&a;
The statement
Printf(“%d”, a * b);
Prints
a. 25
b. Garbage
c. 5* address of b
d. An error message
Answer is : d
Q8 Which of the following is false about functions ?
a.
b.
c.
d.
More that one function allowed in a program
A function can call itself
Constants can appear in the formal argument list
A function can call another function
Ans:-c
Q9) Which statement is correct for binary files?
a) its character are readable.
b) it saves a lot of disk space
c) both
d) none of these
ans.b
Q10 Evaluate !(1 && !(0 || 1))
a.
b.
c.
d.
True
False
Unevaluated table
None of the above
Ans:a
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