SS3 second Term Data processing past questions and answers

SS3 second Term Data processing past questions and answers

Here are 20 SS3 data processing questions with options and answers:

Question: What is the difference between data backup and data archiving?

A) Backup is for long-term storage, while archiving is for short-term storage

B) Backup is for preventing data loss, while archiving is for historical reference

C) Backup and archiving are the same thing

D) Archiving is for increasing data redundancy, while backup is for data compression

Answer: B) Backup is for preventing data loss, while archiving is for historical reference

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

A) To increase data redundancy

B) To define the structure and relationships of the data

C) To delete data permanently

D) To compress data for storage

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

Question: In a spreadsheet, what function is used for finding the highest value in a range of cells?

A) MAX()

B) SUM()

C) AVG()

D) MIN()

Answer: A) MAX()

Question: What is a data mart?

A) A large-scale data storage facility

B) A specialized subset of a data warehouse for a specific business unit

C) A type of data compression algorithm

D) A method for increasing data redundancy

Answer: B) A specialized subset of a data warehouse for a specific business unit

Question: What is the purpose of data cleansing?

A) To introduce errors in data

B) To increase data redundancy

C) To delete data permanently

D) To correct errors and inconsistencies in data

Answer: D) To correct errors and inconsistencies in data

Question: Which data storage device is known for its fast access speed but limited capacity?

A) Hard Disk Drive (HDD)

B) Solid State Drive (SSD)

C) Magnetic Tape

D) CD-ROM

Answer: B) Solid State Drive (SSD)

Question: What is the purpose of data mining?

A) To create data redundancy

B) To delete data permanently

C) To discover patterns and relationships in large datasets

D) To increase data inconsistency

Answer: C) To discover patterns and relationships in large datasets

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

A) A data storage format

B) A data compression algorithm

C) A set of properties that guarantee reliable processing of database transactions

D) A method for increasing data redundancy

Answer: C) A set of properties that guarantee reliable processing of database transactions

Question: What is the purpose of data encryption?

A) To increase data redundancy

B) To delete data permanently

C) To protect data from unauthorized access

D) To compress data for storage

Answer: C) To protect data from unauthorized access

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

A) Ensuring data loss

B) Overseeing data security

C) Analyzing and interpreting data to provide insights

D) Promoting data redundancy

Answer: C) Analyzing and interpreting data to provide insights

Question: Which data processing method involves summarizing and presenting data in a concise format?

A) Data normalization

B) Data aggregation

C) Data transformation

D) Data encryption

Answer: B) Data aggregation

Question: What is the purpose of a data audit?

A) To introduce errors in data

B) To increase data redundancy

C) To verify the accuracy and integrity of data

D) To delete data permanently

Answer: C) To verify the accuracy and integrity of data

Question: What is the significance of the "GROUP BY" clause in a database query?

A) It specifies the columns to retrieve

B) It defines the sorting order

C) It groups rows based on a specified column or columns

D) It joins multiple tables

Answer: C) It groups rows based on a specified column or columns

Question: Which type of data processing is characterized by the continuous input, processing, and output of data without interruption?

A) Batch processing

B) Real-time processing

C) Offline processing

D) Sequential processing

Answer: B) Real-time processing

Question: What is the purpose of a data dictionary?

A) To store actual data

B) To provide metadata about the data

C) To delete data

D) To create data redundancy

Answer: B) To provide metadata about the data

Question: In data warehousing, what is the purpose of a star schema?

A) To increase data redundancy

B) To define relationships between tables

C) To compress data for storage

D) To simplify the structure for querying

Answer: D) To simplify the structure for querying

Question: What is the primary goal of data normalization?

A) To increase data redundancy

B) To reduce data duplication and dependency

C) To delete data permanently

D) To introduce errors in data

Answer: B) To reduce data duplication and dependency

Question: What is the purpose of a data-driven decision-making process?

A) Ignoring data quality

B) Increasing data redundancy

C) Making informed decisions based on data analysis

D) Deleting data permanently

Answer: C) Making informed decisions based on data analysis

Question: In the context of data security, what does the term "firewall" refer to?

A) A physical barrier to protect data centers

B) A software or hardware device that monitors and controls incoming and outgoing network traffic

C) A method for increasing data redundancy

D) A key used for encrypting data

Answer: B) A software or hardware device that monitors and controls incoming and outgoing network traffic

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

A) Short-term data storage

B) Long-term data archival

C) Storing and managing large volumes of data for analysis

D) Real-time data processing

Answer: C) Storing and managing large volumes of data for analysis