SS2 First Term Data Processing Past Questions And Answers
SS2 First Term Data Processing Past Questions And Answers
Here are 20 SS2 Data Processing questions with options and answers:
Question: What is the primary purpose of data processing?
A) Entertainment
B) Storage
C) Information generation
D) Communication
Answer: C) Information generation
Question: Which of the following is a primary source of data?
A) Encyclopedia
B) Sensor readings
C) Fictional books
D) Comic strips
Answer: B) Sensor readings
Question: What is the role of a data processor in information systems?
A) Collects data
B) Processes and analyzes data
C) Presents data
D) All of the above
Answer: D) All of the above
Question: In data processing, what does the term “validation” refer to?
A) Encryption of data
B) Checking data for accuracy and relevance
C) Deleting unnecessary data
D) Data storage
Answer: B) Checking data for accuracy and relevance
Question: Which type of data processing is used for handling transactions in real-time?
A) Batch processing
B) Online processing
C) Sequential processing
D) Parallel processing
Answer: B) Online processing
Question: What is the purpose of data cleaning in data processing?
A) Removing dirt from physical data
B) Eliminating errors and inconsistencies in data
C) Adding more data to improve quality
D) Storing data in a secure location
Answer: B) Eliminating errors and inconsistencies in data
Question: Which data structure is suitable for organizing data in a hierarchical manner?
A) Array
B) Queue
C) Tree
D) Stack
Answer: C) Tree
Question: What is the difference between data and information?
A) Data is processed information
B) Information is processed data
C) Data and information are the same
D) Data is unorganized, and information is organized
Answer: B) Information is processed data
Question: Which programming language is commonly used for data processing and analysis?
A) Java
B) Python
C) C++
D) HTML
Answer: B) Python
Question: What does ETL stand for in the context of data processing?
A) Extract, Transform, Load
B) Edit, Test, Launch
C) Encrypt, Transmit, Log
D) Evaluate, Track, Learn
Answer: A) Extract, Transform, Load
Question: In a database, what is a primary key?
A) A key used for opening the database
B) A unique identifier for each record
C) A password for accessing data
D) A type of encryption key
Answer: B) A unique identifier for each record
Question: What is the purpose of a data dictionary?
A) It contains stories related to data
B) It defines the structure and attributes of data
C) It encrypts sensitive information
D) It is used for storing large datasets
Answer: B) It defines the structure and attributes of data
Question: Which data storage type is suitable for high-speed access but volatile in nature?
A) Hard disk drive
B) Solid-state drive
C) RAM (Random Access Memory)
D) Optical disc
Answer: C) RAM (Random Access Memory)
Question: What is a data warehouse?
A) A place for storing physical documents
B) A large storage device
C) A centralized repository for data from various sources
D) A tool for data encryption
Answer: C) A centralized repository for data from various sources
Question: Which data processing method is suitable for handling large volumes of similar tasks at once?
A) Batch processing
B) Real-time processing
C) Interactive processing
D) Time-sharing processing
Answer: A) Batch processing
Question: What is the role of indexing in databases?
A) Sorting data alphabetically
B) Improving search and retrieval efficiency
C) Encrypting sensitive information
D) Deleting unnecessary records
Answer: B) Improving search and retrieval efficiency
Question: What is the significance of metadata in data processing?
A) It contains actual data values
B) It provides information about data characteristics and relationships
C) It is a backup copy of the data
D) It encrypts data for security
Answer: B) It provides information about data characteristics and relationships
Question: Which data processing approach involves dividing a task into smaller sub-tasks that can be processed simultaneously?
A) Sequential processing
B) Parallel processing
C) Distributed processing
D) Centralized processing
Answer: B) Parallel processing
Question: What is the purpose of data compression in data processing?
A) Increasing data size
B) Reducing data redundancy
C) Deleting unnecessary data
D) Encrypting data for security
Answer: B) Reducing data redundancy
Question: In a relational database, what is a foreign key?
A) A key used for opening the database
B) A unique identifier for each record
C) A key linking two tables to establis
h a relationship
D) A type of encryption key
Answer: C) A key linking two tables to establish a relationship