Quiz 5 - Functions And Pointers
10 Questions
| Attempts: 117
Class BEE-2A
Questions and Answers
- 1.Pointer is a special kind of a variable which is used to store _______ of a variable
- A.
Data Type
- B.
Value
- C.
Variable name
- D.
Address
- 2.The operator used to declare a pointer variable is
- A.
^
- B.
%
- C.
*
- D.
&
- 3.Variable passing by reference is achieved by using pointers.
- A.
True
- B.
False
- 4.Char data type uses _____ byte (s), int data type uses _____ byte (s) and float uses _____ byte (s)
- A.
2, 4, 1
- B.
4, 2, 1
- C.
1, 2, 4
- D.
4, 1, 2
- 5.Passing by value means an exact copy of the variable is created and the value is assigned to it.
- A.
True
- B.
False
- 6.Choose the best answerPrior to using a pointer variable
- A.
It should be declared
- B.
It should be initialized
- C.
It should be both declared and initialized
- D.
None of the above
- 7.What does the following mean?int *ptr, p;
- A.
Ptr is a integer pointer, p is not
- B.
Both ptr and p are integer pointers
- C.
P may be a pointer but ptr is not
- D.
Both ptr and p are not pointers
- 8.A pointer is
- A.
A keyword used to create variables
- B.
A variable that stores address of an instruction
- C.
A variable that stores address of other variable
- D.
All of the above
- 9.#include<stdio.h>void f(){ printf("hello");}void main(){ f();}the code above has an error.
- A.
True
- B.
False
- 10.Suppose a variable x has an address fff0. declaring a pointer and assigning address of x is as follow.int *p = &x;printf("address of x = %d", *p);the output will be [address of x = fff0] stored in pointer p?
- A.
True
- B.
False
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