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Questions and Answers
What is a data structure primarily used for?
What is a data structure primarily used for?
- Organizing related pieces of information (correct)
- Storing files in a random way
- Creating graphical images in computers
- Increasing the size of stored data
Which of the following is an example of a primitive data structure?
Which of the following is an example of a primitive data structure?
- Linked list
- Graph
- Array
- Integer (correct)
Which statement correctly describes non-linear data structures?
Which statement correctly describes non-linear data structures?
- They store data in a linear sequence.
- They can only contain strings of characters.
- They do not store data in a sequential way. (correct)
- They are simpler than primitive data structures.
What is a characteristic feature of primitive data structures?
What is a characteristic feature of primitive data structures?
Which of the following is NOT a non-primitive data structure?
Which of the following is NOT a non-primitive data structure?
What is a key feature of linear data structures?
What is a key feature of linear data structures?
Which of the following best describes the role of data structures in computer science?
Which of the following best describes the role of data structures in computer science?
What type of data structure is an array classified under?
What type of data structure is an array classified under?
Which of the following is a non-linear data structure?
Which of the following is a non-linear data structure?
What operation is used to access each record in a data structure exactly once?
What operation is used to access each record in a data structure exactly once?
In the context of data structures, what does the operation 'Merge()' accomplish?
In the context of data structures, what does the operation 'Merge()' accomplish?
Which of these best describes an Abstract Data Type (ADT)?
Which of these best describes an Abstract Data Type (ADT)?
Which operation would you perform to add a new record to a data structure?
Which operation would you perform to add a new record to a data structure?
Which data structure operates in a last-in, first-out (LIFO) manner?
Which data structure operates in a last-in, first-out (LIFO) manner?
What operation is responsible for finding the location of a record with a specific key value?
What operation is responsible for finding the location of a record with a specific key value?
Which of the following represents a linear data structure?
Which of the following represents a linear data structure?
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Study Notes
Introduction to Data Structure
- Data refers to information stored in computers as files, organized systematically with fields containing records and values.
- Data structure defines a scheme for organizing related pieces of information in computer science.
- A data structure allows efficient storage, manipulation, and presentation of data.
Classification of Data Structures
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Primitive Data Structures
- Directly operated upon by machine-level instructions.
- Examples: Integer, Float, Char.
-
Non-Primitive Data Structures
- More complex and derived from primitive structures.
- Form sets of homogeneous and heterogeneous data elements.
- Linear Data Structures: Store data in a sequential manner.
- Examples: Arrays, Stacks, Linked Lists.
- Non-Linear Data Structures: Do not follow a sequential storage method.
- Examples: Trees, Graphs.
Basic Operations on Data Structures
- Create(): Constructs a new data structure.
- Delete(): Removes a record from the data structure.
- Insert(): Adds new records to the data structure.
- Traverse(): Accesses each record once for processing items within.
- Search(): Locates a record based on a given key value.
- Sorting(): Arranges records in a logical order.
- Merge(): Combines records from different sorted files into a single file.
Abstract Data Type (ADT)
- An abstract data type consists of a set of values (carrier set) and a defined set of operations on those values.
- ADTs specify data value sets and operations independently of implementation.
- ADTs serve as mathematical models for classes of data structures with similar behaviors.
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