SS2 Second Term Data Processing Past Questions And Answers

SS2 Data Processing questions with options and answers:

 

Question: What is the purpose of a data model in database design?

 

A) To create visual representations of data

B) To describe the structure and relationships of data

C) To encrypt sensitive information

D) To organize data alphabetically

Answer: B) To describe the structure and relationships of data

Question: Which type of database is suitable for handling complex relationships and transactions?

 

A) Relational database

B) NoSQL database

C) Hierarchical database

D) Flat-file database

Answer: A) Relational database

Question: What is the function of a query language in database management systems?

 

A) To encrypt data

B) To perform operations on the database, such as retrieval and updating

C) To create backups of data

D) To organize data in tables

Answer: B) To perform operations on the database, such as retrieval and updating

Question: In the context of data processing, what does the acronym CRUD stand for?

 

A) Create, Read, Update, Delete

B) Compute, Report, Upload, Download

C) Copy, Rename, Undo, Delete

D) Compile, Run, Update, Debug

Answer: A) Create, Read, Update, Delete

Question: Which data storage medium is non-volatile and commonly used for long-term archival purposes?

 

A) Magnetic tape

B) USB flash drive

C) Cloud storage

D) CD-ROM

Answer: A) Magnetic tape

Question: What is the role of data mining in the field of data processing?

 

A) To extract valuable patterns and knowledge from large datasets

B) To encrypt sensitive information

C) To physically store data

D) To create visualizations of data

Answer: A) To extract valuable patterns and knowledge from large datasets

Question: In the context of databases, what is normalization?

 

A) A process to reduce redundancy and dependency in data

B) A method of encrypting data

C) A technique for organizing data in alphabetical order

D) A process of compressing data for efficient storage

Answer: A) A process to reduce redundancy and dependency in data

Question: What is the primary function of a data backup strategy?

 

A) To encrypt data for security

B) To create duplicates of data for safekeeping

C) To organize data in a specific structure

D) To compress data for efficient storage

Answer: B) To create duplicates of data for safekeeping

Question: What is the difference between synchronous and asynchronous data processing?

 

A) Synchronous processing occurs in real-time, while asynchronous processing does not

B) Synchronous processing is slower than asynchronous processing

C) Asynchronous processing is used for real-time tasks, while synchronous processing is not

D) Synchronous processing involves batch operations, while asynchronous processing is interactive

Answer: A) Synchronous processing occurs in real-time, while asynchronous processing does not

Question: In the context of data security, what does the term “authentication” refer to?

 

A) The process of encrypting data

B) Verifying the identity of a user or system

C) Deleting unnecessary data

D) The process of compressing data

Answer: B) Verifying the identity of a user or system

Question: What is the purpose of a data warehouse in business intelligence?

 

A) To store raw and unprocessed data

B) To provide a centralized and consolidated view of data from different sources

C) To encrypt sensitive information

D) To physically organize data in alphabetical order

Answer: B) To provide a centralized and consolidated view of data from different sources

Question: Which type of database relationship is represented by the term “many-to-many”?

 

A) One-to-One

B) One-to-Many

C) Many-to-One

D) Many-to-Many

Answer: D) Many-to-Many

Question: What is the purpose of data profiling in data processing?

 

A) To create backups of data

B) To analyze the structure and quality of data

C) To encrypt sensitive information

D) To compress data for efficient storage

Answer: B) To analyze the structure and quality of data

Question: In a relational database, what is a stored procedure?

 

A) A physical location where data is stored

B) A type of encryption key

C) A set of precompiled SQL statements that can be executed

D) A method for organizing data alphabetically

Answer: C) A set of precompiled SQL statements that can be executed

Question: What is the purpose of a data audit trail?

 

A) To encrypt data for security

B) To keep a record of changes made to the data

C) To physically organize data in a specific order

D) To create visualizations of data

Answer: B) To keep a record of changes made to the data

Question: What is the significance of data governance in organizations?

 

A) To organize data alphabetically

B) To ensure data quality, security, and compliance

C) To create visualizations of data

D) To compress data for efficient storage

Answer: B) To ensure data quality, security, and compliance

Question: Which type of data processing involves manipulating and transforming data based on predefined rules?

 

A) Analytical processing

B) Transactional processing

C) ETL processing

D) Real-time processing

Answer: C) ETL processing

Question: What is the role of data warehousing in decision support systems?

 

A) To physically store data

B) To compress data for efficient storage

C) To provide a platform for data analysis and reporting

D) To encrypt sensitive information

Answer: C) To provide a platform for data analysis and reporting

Question: What is the purpose of a data dictionary in the context of databases?

 

A) To physically organize data in a specific order

B) To define and describe data elements and their relationships

C) To encrypt sensitive information

D) To create visualizations of data

Answer: B) To define and describe data elements and their relationships