Data Structure through C Language exam quiz with answer

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Data Structure through C Language

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Q: A data structure where elements can be added or removed at either end but not in the middle

3. Queues

4. Deque

1. Linked lists

2. Stacks

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Q: Which of the following is two-way list?

1. Grounded header list

2. circular header list

3. linked list with header and trailer nodes

4. none of above

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Q: The situation when in a linked list START=NULL is

1. Underflow

2. overflow

3. housefull

4. saturated

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Q: Binary search algorithm can not be applied to

1. Sorted linked list

2. sorted binary trees

3. sorted linear array

4. pointer array

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Q: The difference between linear array and a record is

1. An array is suitable for homogeneous data but the data items in a record may have different data type

2. In a record, there may not be a natural ordering in opposed to linear array

3. A record form a hierarchical structure but a linear array does not

4. All of above

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Q: Which of the following data structure store the homogeneous data elements?

1. Arrays

2. Records

3. Pointers

4. None

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Q: Two dimensional arrays are also called

1. tables arrays

2. matrix arrays

3. both of above

4. none of above

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Q: The memory address of the first element of an array is called

1. Floor address

2. foundation address

3. first address

4. base address

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Q: To delete a dynamically allocated array named `a`, the correct statement is

1. delete a;

2. delete a[0];

3. delete []a;

4. delete [0]a;

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Q: To create a linked list, we can allocate space and make something point to it, by writing:

1. struct-name *pointer-variable. Which of the following statement will correctly allocate the space

2. pointer-variable = malloc(sizeof(*struct-name));

3. pointer-variable = malloc(sizeof(struct struct-name));

4. pointer-variable = alloc(sizeof(struct struct-name));

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Q: Arrays are best data structures

1. for relatively permanent collections of data

2. for the size of the structure and the data in the structure are constantly changing

3. for both of above situation

4. for none of above situation

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Q: What happens when you push a new node onto a stack?

1. The new node is placed at the front of the linked list

2. The new node is placed at the back of the linked list

3. The new node is placed at the middle of the linked list

4. No Changes happens

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Q: The pop () member function determine if the stack is empty by calling the...

1. member function

2. removeback ()

3. isEmpty ()

4. removedfront ()

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Q: In an array queue, data is stored in an...element.

1. Node

2. Linked list

3. Array

4. Constructor

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Q: Value of the first linked list index is:

1. One

2. Zero

3. -1

4. None of these

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Q: The operation of processing each element in the list is known as

1. Sorting

2. Merging

3. Inserting

4. Traversal

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Q: Which of the following data structure is not linear data structure?

1. Arrays

2. Linked lists

3. Both of above

4. None of above

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Q: The size of a structure can be determined by; a. size of variable name; b. size of (struct tag)

1. Only a

2. Only b

3. Both a and b

4. None of these options

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Q: The number of possible binary trees with 4 nodes is

1. 12

2. 13

3. 14

4. 15

20 / 20

Q: A linked list index is...that represents the position of a node in a linked list.

1. An Integer

2. a variable

3. a character

4. a boolean

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