Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q2231: In an object-oriented database, what is a major advantage of encapsulating name details within an object?
- A: It allows easy handling of different name formats and structures
- B: It simplifies the database schema design
- C: It reduces the need for data validation
- D: It minimizes storage requirements
View Answer
A
Q2232: Fill in the blank: In an object-oriented database, an employee’s job history can be retrieved by __________.
- A: Asking the employee object to report its job history
- B: Creating a complex query across multiple tables
- C: Updating the job history manually in the database
- D: Searching through a log file for job assignments
View Answer
A
Q2233: Which database paradigm allows for storing intelligent objects with methods for handling data?
- A: Relational database
- B: Object-oriented database
- C: Flat-file database
- D: Hierarchical database
View Answer
B
Q2234: What problem is addressed by using intelligent objects in an object-oriented database?
- A: The need for specific data handling methods and interactions
- B: Managing large datasets efficiently
- C: Standardizing data types across the database
- D: Reducing data redundancy
View Answer
B
Q2235: Fill in the blank: An object-oriented database avoids the problem of __________ when dealing with multimedia data.
- A: Handling new data types within existing functions
- B: Fragmentation of data across different tables
- C: Overhead of multiple indexes
- D: Scalability issues with large datasets
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A
Q2236: Which of the following is an advantage of object-oriented databases over relational databases?
- A: Support for multimedia and intelligent objects
- B: More efficient querying of large datasets
- C: Better performance for simple data retrieval
- D: Automatic normalization of data
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C
Q2237: What is the main benefit of having objects linked in an object-oriented database?
- A: It reflects the relationships between different objects
- B: Improves the speed of data retrieval
- C: Reduces the complexity of database queries
- D: Ensures data integrity across multiple tables
View Answer
A
Q2238: Fill in the blank: In an object-oriented database, the approach to storing names as intelligent objects helps in __________.
- A: Providing flexible handling of names in various formats
- B: Reducing the amount of data stored
- C: Improving the speed of database access
- D: Standardizing name formats across the system
View Answer
A
Q2239: What is the primary concern for maintaining database integrity in large, multiuser commercial systems?
- A: Shielding users from technical details
- B: Minimizing the inconvenience of errors
- C: Cost of incorrect or lost data
- D: Reducing the size of the database
View Answer
C
Q2240: Which type of database system typically focuses on shielding users from technical details?
- A: Personal use database systems
- B: Commercial multiuser database systems
- C: Cloud-based database systems
- D: Open-source database systems
View Answer
A