SS3 First Term Data Processing Past Questions And Answers

 

Senior Secondary School 3 First Term 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 data type is represented by whole numbers only?

 

A) Integer

B) String

C) Float

D) Boolean

Answer: A) Integer

Question: What is the function of a data dictionary in a database system?

 

A) Store user passwords

B) Manage network connections

C) Define data elements and their characteristics

D) Display graphical representations of data

Answer: C) Define data elements and their characteristics

Question: In a spreadsheet, what does a cell reference like “A$1” indicate?

 

A) Absolute column, relative row

B) Relative column, absolute row

C) Absolute column and row

D) Relative column and row

Answer: B) Relative column, absolute row

Question: Which of the following is not a primary key attribute in a database?

 

A) Social Security Number

B) Email Address

C) Student ID

D) Passport Number

Answer: B) Email Address

Question: What is the purpose of normalization in database design?

 

A) Increase redundancy

B) Simplify data retrieval

C) Decrease data integrity

D) Speed up data entry

Answer: B) Simplify data retrieval

Question: Which data processing operation involves rearranging data in a specific order?

 

A) Sorting

B) Filtering

C) Merging

D) Indexing

Answer: A) Sorting

Question: What is the significance of the “WHERE” clause in a SQL query?

 

A) Determines the order of results

B) Filters data based on a specified condition

C) Joins tables together

D) Groups data for aggregation

Answer: B) Filters data based on a specified condition

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 purpose of a pivot table in Excel?

 

A) Perform complex calculations

B) Create charts and graphs

C) Summarize and analyze data

D) Insert images into a spreadsheet

Answer: C) Summarize and analyze data

Question: Which type of graph is best suited for showing the relationship between two continuous variables?

 

A) Bar chart

B) Pie chart

C) Line graph

D) Scatter plot

Answer: D) Scatter plot

Question: What is the primary function of a firewall in network security?

 

A) Encrypt data

B) Monitor network traffic

C) Block unauthorized access

D) Increase internet speed

Answer: C) Block unauthorized access

Question: In the context of databases, what does ACID stand for?

 

A) Atomicity, Consistency, Integrity, Durability

B) Analysis, Configuration, Implementation, Deployment

C) Access, Control, Identification, Detection

D) Allocation, Caching, Indexing, Duplication

Answer: A) Atomicity, Consistency, Integrity, Durability

Question: What is the purpose of a data backup?

 

A) Increase system speed

B) Prevent data loss

C) Improve network security

D) Enhance data processing efficiency

Answer: B) Prevent data loss

Question: Which data structure is used for efficient searching in a sorted list?

 

A) Stack

B) Queue

C) Binary Search Tree

D) Linked List

Answer: C) Binary Search Tree

Question: What is the role of a primary key in a relational database?

 

A) Provide a unique identifier for each record

B) Store large amounts of text data

C) Perform complex calculations

D) Connect multiple tables

Answer: A) Provide a unique identifier for each record

Question: Which encryption method is commonly used to secure data transmission over the internet?

 

A) ROT13

B) Caesar Cipher

C) AES (Advanced Encryption Standard)

D) DES (Data Encryption Standard)

Answer: C) AES (Advanced Encryption Standard)

Question: What is the purpose of a VPN (Virtual Private Network)?

 

A) Increase internet speed

B) Bypass firewalls

C) Secure communication over a public network

D) Create virtual servers

Answer: C) Secure communication over a public network

Question: Which data processing technique involves summarizing large datasets into smaller, manageable units?

 

A) Clustering

B) Sampling

C) Regression

D) Interpolation

Answer: B) Sampling

Question: What is the significance of the “GROUP BY” clause in a SQL query?

 

A) Sorts results in ascending order

B) Filters data based on a condition

C) Groups data for aggregation

D) Joins tables together

Answer: C) Groups data for aggregation.