JAMB Data Processing Past Questions and Answers

 

Jamb Data Processing questions and answers;

 

Question: What is the primary purpose of data processing?

 

A. Create databases

B. Analyze and manipulate data

C. Design computer hardware

D. Organize office events

Answer: B. Analyze and manipulate data

 

Question: In data processing, what is the role of a data processor?

 

A. Develop software applications

B. Collect and enter data

C. Manage computer networks

D. Design computer hardware

Answer: B. Collect and enter data

 

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

 

A. Ensure data is stored in the cloud

B. Verify the accuracy and quality of data

C. Encrypt sensitive information

D. Design computer hardware

Answer: B. Verify the accuracy and quality of data

 

Question: In data processing, what does the term “data mining” involve?

 

A. Extracting valuable information from large datasets

B. Encrypting sensitive information

C. Designing computer algorithms

D. Creating graphical user interfaces

Answer: A. Extracting valuable information from large datasets

 

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

 

A. Create duplicate copies of data for safekeeping

B. Encrypt sensitive information

C. Analyze and manipulate data

D. Design computer hardware

Answer: A. Create duplicate copies of data for safekeeping

 

Question: In data processing, what does the term “data warehousing” refer to?

 

A. Storing and managing large volumes of data from different sources

B. Developing software applications

C. Designing computer networks

D. Encrypting sensitive information

Answer: A. Storing and managing large volumes of data from different sources

 

Question: What is the primary purpose of data normalization in database management?

 

A. Reducing redundancy and improving efficiency

B. Encrypting sensitive information

C. Designing computer algorithms

D. Analyzing and manipulating data

Answer: A. Reducing redundancy and improving efficiency

 

Question: In data processing, what is the function of a database management system (DBMS)?

 

A. Collect and enter data

B. Manage computer networks

C. Organize and control access to databases

D. Design computer hardware

Answer: C. Organize and control access to databases

 

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

 

A. Encrypt sensitive information

B. Reduce the size of files for efficient storage and transmission

C. Analyze and manipulate data

D. Design computer networks

Answer: B. Reduce the size of files for efficient storage and transmission

 

Question: In data processing, what does the term “data cleansing” involve?

 

A. Analyzing and manipulating data

B. Removing errors and inconsistencies from datasets

C. Designing computer algorithms

D. Creating graphical user interfaces

Answer: B. Removing errors and inconsistencies from datasets

 

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

 

A. Design computer networks

B. Ensure data security by converting information into a coded format

C. Analyze and manipulate data

D. Develop software applications

Answer: B. Ensure data security by converting information into a coded format

 

Question: In data processing, what does the term “data modeling” involve?

 

A. Creating graphical user interfaces

B. Designing computer algorithms

C. Representing data and relationships between entities

D. Developing software applications

Answer: C. Representing data and relationships between entities

 

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

 

A. Analyzing and manipulating data

B. Moving data from one system or storage location to another

C. Designing computer networks

D. Creating duplicate copies of data

Answer: B. Moving data from one system or storage location to another

 

Question: In data processing, what does the term “data integration” involve?

 

A. Combining data from different sources into a unified view

B. Designing computer algorithms

C. Encrypting sensitive information

D. Analyzing and manipulating data

Answer: A. Combining data from different sources into a unified view

 

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

 

A. Analyzing and manipulating data

B. Designing computer networks

C. Evaluating the quality and structure of data

D. Creating graphical user interfaces

Answer: C. Evaluating the quality and structure of data

 

Question: In data processing, what does the term “data visualization” involve?

 

A. Creating graphical user interfaces

B. Designing computer networks

C. Presenting data in visual formats such as charts and graphs

D. Encrypting sensitive information

Answer: C. Presenting data in visual formats such as charts and graphs

 

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

 

A. Creating duplicate copies of data for safekeeping

B. Designing computer algorithms

C. Storing historical data for future reference

D. Analyzing and manipulating data

Answer: C. Storing historical data for future reference.