SS3 first term data processing past questions and answers

SS3 first term data processing past questions and answers

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

Question: What is the primary purpose of data processing?

A) Entertainment

B) Information retrieval

C) Social networking

D) Gaming

Answer: B) Information retrieval

Question: Which of the following is a data processing operation?

A) Copy-pasting

B) Printing

C) Sorting

D) Screen brightness adjustment

Answer: C) Sorting

Question: What is the function of a data processing system?

A) Data storage only

B) Data manipulation and storage

C) Data transmission only

D) Data deletion

Answer: B) Data manipulation and storage

Question: In a database, what is normalization?

A) Reducing redundancy and dependency

B) Increasing data duplication

C) Introducing errors in data

D) Ignoring data consistency

Answer: A) Reducing redundancy and dependency

Question: Which data type is used for storing whole numbers in programming?

A) Float

B) Double

C) Integer

D) Character

Answer: C) Integer

Question: What does ETL stand for in the context of data processing?

A) Extract, Transform, Load

B) Edit, Test, Launch

C) Enhance, Tag, Log

D) Execute, Transfer, Load

Answer: A) Extract, Transform, Load

Question: Which file format is commonly used for storing structured data?

A) JPEG

B) MP3

C) CSV

D) TXT

Answer: C) CSV

Question: What is the purpose of data validation?

A) Ensuring data destruction

B) Verifying data accuracy and reliability

C) Increasing data redundancy

D) Ignoring data consistency

Answer: B) Verifying data accuracy and reliability

Question: Which data structure is used to organize and store data in a hierarchical manner?

A) Array

B) Linked list

C) Tree

D) Stack

Answer: C) Tree

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

A) It specifies the columns to retrieve

B) It defines the sorting order

C) It filters the rows to be retrieved

D) It joins multiple tables

Answer: C) It filters the rows to be retrieved

Question: Which data processing method involves converting data into a different format for analysis?

A) Data normalization

B) Data aggregation

C) Data encryption

D) Data transformation

Answer: D) Data transformation

Question: What is a primary key in a database?

A) A key used for opening the database

B) A unique identifier for a record

C) A key for encrypting data

D) A key used for data compression

Answer: B) A unique identifier for a record

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: Which programming language is commonly used for data analysis and manipulation?

A) Java

B) Python

C) C++

D) Ruby

Answer: B) Python

Question: What is the role of a data steward in data management?

A) Ensuring data loss

B) Overseeing data security

C) Ignoring data quality

D) Promoting data redundancy

Answer: B) Overseeing data security

Question: What does RAID stand for in the context of data storage?

A) Random Access Integrated Drive

B) Redundant Array of Independent Disks

C) Rapid Access and In-depth Data

D) Reliable Application of Integrated Drives

Answer: B) Redundant Array of Independent Disks

Question: Which data processing task involves combining data from multiple sources into a single view?

A) Data cleansing

B) Data aggregation

C) Data integration

D) Data encryption

Answer: C) Data integration

Question: What is the purpose of a data warehouse?

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

Question: In a relational database, what is a foreign key?

A) A key used for encrypting data

B) A key for compressing data

C) A key used for data validation

D) A reference to a primary key in another table

Answer: D) A reference to a primary key in another table

Question: What is the purpose of a data backup?

A) Increasing data redundancy

B) Preventing data loss

C) Deleting data permanently

D) Ignoring data consistency

Answer: B) Preventing data loss