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ECAT Computer Science Data Basics Test Online

Mustansar KhanLast Updated: May 1, 2025

ECAT Computer Science Data Basics Test

ECAT Computer Science Chapter 11 Data Basics Online Test

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Computer Online Test Interview Questions about Computer All Universities Entrance Test Recruitments Tests

ECAT Data Basics Test Online MCQs

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1. Which of the following is an example of data mining?

Copying files

Formatting text

Extracting useful patterns from large datasets

Typing a report

2. What does the term "data" refer to?

Instructions given to the computer

Processed information

Raw facts and figures

Graphics only

3. Which process refers to making backup copies of data?

Formatting

Archiving

Deleting

Copying

4. Which of these best describes data encryption?

Converting data into a secure code

Sorting records alphabetically

Storing data in the cloud

Printing data

5. Which of the following statements is true?

Data is always stored on paper

Data is unprocessed facts

Data is meaningful by itself

Data equals information

6. Which one is an example of unstructured data?

SQL table

HTML table

Image file

Excel sheet

7. Which one is used to display data output?

Monitor

Microphone

Keyboard

Scanner

8. Which of the following formats is commonly used to store tabular data?

.csv

.exe

.mp3

.jpg

9. What is the primary purpose of a data model?

To visually organize and define data relationships

To delete old records

To print data

To increase data

10. What does data compression achieve?

Reduces the size of data files

Deletes unnecessary data

Increases file size

Converts data into graphics

11. What is the purpose of data sampling?

To analyze entire datasets

To encrypt data

To reduce the size of data for quicker analysis

To compress data

12. Which unit represents approximately 1,024 bytes?

Terabyte

Kilobyte

Megabyte

Gigabyte

13. Which of the following stores data temporarily?

SSD

Hard Drive

RAM

14. Which of the following is used for data storage?

CPU

Mouse

SSD

RAM

15. What is the purpose of data validation?

To ensure data quality and accuracy

To color rows

To delete incorrect data

To convert data to audio

16. Which of the following data types is used to represent textual data?

String

Float

Integer

Boolean

17. Which device is primarily used to input data?

Monitor

Printer

Speaker

Mouse

18. What is data redundancy?

Encrypting data

Deleting important data

Repeating data storage unnecessarily

Backing up data

19. What is a database?

A networking device

An organized collection of data

A type of software

A collection of images

20. Which of these best describes metadata?

Data about data

Compressed data

Backup data

Processed data

21. Which component stores data permanently in a computer?

Hard Disk

RAM

Cache

CPU

22. Which of the following is considered volatile data storage?

RAM

SSD

USB drive

Hard disk

23. Which process refers to arranging data in a specific order?

Sorting

Structuring

Cleaning

Validation

24. Which of the following is considered structured data?

Video files

Images

Audio files

Spreadsheets

25. Which of the following is the smallest unit of data in a computer?

Megabyte

Byte

Kilobyte

Bit

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26. What is structured data stored in?

Images

Audio formats

Videos

Tables with rows and columns

27. What is a data warehouse?

A large server room

A store for archived documents

A central repository of integrated data for analysis

A place to store physical files

28. Which of the following is a numeric data type?

Float

Boolean

Char

String

29. Which of the following is not a characteristic of good quality data?

Redundancy

Completeness

Timeliness

Accuracy

30. What is a record in a database?

A row of related data

A single data item

A column of values

A single field

31. Which one is not a data type?

Boolean

Float

Integer

Column

32. What is the full form of ASCII?

American Software for Common Internet Input

Automated Standard Code for International Interface

American Standard Code for Information Interchange

Advanced System for Computer Input and Information

33. What is the process of identifying and correcting errors in data called?

Data compression

Data cleaning

Data mining

Data migration

34. What is big data?

Data with big fonts

Small sets of data

Extremely large and complex data sets

Offline data

35. What is data latency?

The size of the database

Delay in processing or transferring data

The number of columns

The security level of the data

36. What does "data processing" mean?

Saving data

Typing data

Deleting data

Converting raw data into meaningful information

37. Which of these is quantitative data?

Age of a person

Type of car

Gender

Color of eyes

38. Which of the following is qualitative data?

Height in centimeters

Weight in kilograms

Age in years

Country names

39. Which of the following is not a basic operation in a database?

Update

Delete

Insert

Encrypt

40. Which of the following ensures data integrity?

Data formatting

Data duplication

Data validation

Data loss

41. Which of the following is a primary source of data?

Questionnaire response

Newspaper report

Research article

Textbook

42. Which term refers to the visual representation of data?

Data mining

Data redundancy

Data visualization

Data modeling

43. Which one is a binary data format?

ZIP

PDF

HTML

DOCX

44. Which data type is used to store true/false values?

Character

Float

Integer

Boolean

45. Which of the following can be used to analyze data?

Microsoft Word

Paint

Calculator

Microsoft Excel

46. Which process combines data from different sources?

Data cleaning

Data visualization

Data integration

Data compression

47. Which of the following is not a digital data format?

XML

JSON

CSV

Chalkboard

48. What does CRUD stand for?

Convert, Run, Use, Download

Create, Read, Update, Delete

Create, Run, Undo, Deliver

Count, Remove, Upload, Download

49. Which of the following is a secondary source of data?

Survey conducted by you

Sensor reading

Official government website

Live experiment data

50. Which of the following is an example of real-time data?

Stock market prices

Old census data

Archived research papers

Monthly attendance reports

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Mustansar KhanLast Updated: May 1, 2025

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ECAT Computer Science Data Basics Test Online

ECAT Computer Science Data Basics Test

ECAT Computer Science Chapter 11 Data Basics Online Test

ECAT Data Basics Test Online MCQs

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