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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 data type is used to store true/false values?

Boolean

Integer

Float

Character

2. Which one is an example of unstructured data?

SQL table

Excel sheet

Image file

HTML table

3. Which of the following stores data temporarily?

Hard Drive

RAM

SSD

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

Formatting text

Copying files

Typing a report

Extracting useful patterns from large datasets

5. What is structured data stored in?

Audio formats

Images

Tables with rows and columns

Videos

6. Which device is primarily used to input data?

Monitor

Speaker

Printer

Mouse

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

CPU

SSD

RAM

Mouse

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

Delete

Encrypt

Insert

Update

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

CSV

XML

Chalkboard

JSON

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

.csv

.mp3

.jpg

.exe

11. Which of these best describes data encryption?

Printing data

Sorting records alphabetically

Storing data in the cloud

Converting data into a secure code

12. Which one is not a data type?

Column

Integer

Float

Boolean

13. What is a database?

A collection of images

An organized collection of data

A networking device

A type of software

14. Which of the following is considered structured data?

Images

Spreadsheets

Video files

Audio files

15. Which one is used to display data output?

Monitor

Keyboard

Microphone

Scanner

16. What is the full form of ASCII?

American Software for Common Internet Input

Advanced System for Computer Input and Information

American Standard Code for Information Interchange

Automated Standard Code for International Interface

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

Data migration

Data mining

Data cleaning

Data compression

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

Cleaning

Structuring

Validation

Sorting

19. 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

20. What does "data processing" mean?

Saving data

Converting raw data into meaningful information

Typing data

Deleting data

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

Live experiment data

Sensor reading

Official government website

Survey conducted by you

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

Bit

Megabyte

Kilobyte

Byte

23. Which of these best describes metadata?

Data about data

Backup data

Processed data

Compressed data

24. What is a record in a database?

A column of values

A single data item

A row of related data

A single field

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

Data mining

Data modeling

Data visualization

Data redundancy

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26. Which component stores data permanently in a computer?

CPU

Cache

Hard Disk

RAM

27. What is data redundancy?

Deleting important data

Repeating data storage unnecessarily

Encrypting data

Backing up data

28. 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

29. Which of the following ensures data integrity?

Data duplication

Data validation

Data loss

Data formatting

30. 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

31. What does CRUD stand for?

Create, Read, Update, Delete

Convert, Run, Use, Download

Count, Remove, Upload, Download

Create, Run, Undo, Deliver

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

Float

Char

Boolean

String

33. Which unit represents approximately 1,024 bytes?

Kilobyte

Gigabyte

Megabyte

Terabyte

34. Which one is a binary data format?

PDF

ZIP

DOCX

HTML

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

Archived research papers

Old census data

Stock market prices

Monthly attendance reports

36. Which of the following is qualitative data?

Country names

Age in years

Height in centimeters

Weight in kilograms

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

Microsoft Excel

Microsoft Word

Calculator

Paint

38. What is data latency?

The size of the database

The number of columns

The security level of the data

Delay in processing or transferring data

39. Which of these is quantitative data?

Gender

Age of a person

Type of car

Color of eyes

40. Which process combines data from different sources?

Data cleaning

Data compression

Data visualization

Data integration

41. What is big data?

Small sets of data

Data with big fonts

Extremely large and complex data sets

Offline data

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

Hard disk

RAM

SSD

USB drive

43. What is the purpose of data validation?

To color rows

To convert data to audio

To delete incorrect data

To ensure data quality and accuracy

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

Completeness

Timeliness

Accuracy

Redundancy

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

To delete old records

To increase data

To print data

To visually organize and define data relationships

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

Processed information

Instructions given to the computer

Graphics only

Raw facts and figures

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

Integer

String

Boolean

Float

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

Research article

Questionnaire response

Newspaper report

Textbook

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

Deleting

Copying

Archiving

Formatting

50. What does data compression achieve?

Converts data into graphics

Deletes unnecessary data

Reduces the size of data files

Increases file size

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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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Mustansar Khan

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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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Mustansar Khan

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