Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q2241: What is a common method for addressing database errors in inexpensive personal use systems?
- A: Reloading from a backup copy and manually updating
- B: Automating error correction processes
- C: Using advanced data encryption techniques
- D: Implementing real-time error detection
View Answer
A
Q2242: Fill in the blank: In large, multiuser commercial database systems, maintaining integrity involves guarding against __________.
- A: Partial completion of operations and inadvertent interactions
- B: Technical details of database implementation
- C: Small database sizes and low costs
- D: User inconvenience and financial loss
View Answer
A
Q2243: What role does a DBMS play in large commercial database systems?
- A: It maintains the database’s integrity by preventing issues
- B: It provides technical support to users
- C: It limits the size of the database
- D: It handles the encryption of sensitive data
View Answer
A
Q2244: Fill in the blank: For personal use database systems, the inconvenience of errors is typically __________ compared to the cost of prevention.
- A: Smaller
- B: Greater
- C: Larger
- D: Equal
View Answer
A
Q2245: Which of the following is NOT a concern for personal use database systems?
- A: Loss or corruption of data
- B: Maintaining database integrity
- C: Manual error correction
- D: Reloading from backup copy
View Answer
B
Q2246: What is a significant difference between personal use and commercial multiuser database systems?
- A: The level of data integrity maintenance required
- B: The size of the database
- C: The user interface design
- D: The cost of the database system
View Answer
A
Q2247: Fill in the blank: The cost of incorrect or lost data in large commercial systems can be __________.
- A: Enormous and devastating
- B: Minimal and manageable
- C: Negligible and inconsequential
- D: Fixed and predictable
View Answer
A
Q2248: In the context of database management, what is a major role of the DBMS in a commercial environment?
- A: Guarding against partial or incorrect operations
- B: Making database modifications easier
- C: Reducing the database's complexity
- D: Providing user-friendly interfaces
View Answer
A
Q2249: What is the purpose of the commit point in a transaction?
- A: It marks the end of a transaction and ensures changes are permanent
- B: It indicates the start of a transaction
- C: It is used for transaction rollback
- D: It records errors in transactions
View Answer
A
Q2250: What does a rollback do in a database system?
- A: Undoes the actions of a partially completed transaction
- B: Commits a transaction to the database
- C: Saves a snapshot of the database
- D: Initiates a new transaction
View Answer
A