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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?

Formatting text

Extracting useful patterns from large datasets

Typing a report

Copying files

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

Monthly attendance reports

Old census data

Archived research papers

Stock market prices

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

.mp3

.csv

.jpg

.exe

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

Microsoft Word

Microsoft Excel

Paint

Calculator

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

Redundancy

Accuracy

Completeness

Timeliness

6. What is structured data stored in?

Videos

Images

Tables with rows and columns

Audio formats

7. What does CRUD stand for?

Create, Read, Update, Delete

Create, Run, Undo, Deliver

Convert, Run, Use, Download

Count, Remove, Upload, Download

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

Boolean

Integer

Float

Character

9. What is a data warehouse?

A store for archived documents

A large server room

A place to store physical files

A central repository of integrated data for analysis

10. What is the purpose of data sampling?

To reduce the size of data for quicker analysis

To analyze entire datasets

To encrypt data

To compress data

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

Float

Boolean

String

Char

12. Which process combines data from different sources?

Data integration

Data compression

Data visualization

Data cleaning

13. Which one is a binary data format?

HTML

DOCX

ZIP

PDF

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

Research article

Textbook

Newspaper report

Questionnaire response

15. Which one is an example of unstructured data?

Image file

SQL table

Excel sheet

HTML table

16. What does data compression achieve?

Deletes unnecessary data

Increases file size

Reduces the size of data files

Converts data into graphics

17. Which one is used to display data output?

Keyboard

Scanner

Monitor

Microphone

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

Official government website

Sensor reading

Survey conducted by you

Live experiment data

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

Data mining

Data redundancy

Data modeling

Data visualization

20. Which of the following is considered structured data?

Spreadsheets

Images

Video files

Audio files

21. Which of the following ensures data integrity?

Data duplication

Data formatting

Data loss

Data validation

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

RAM

SSD

CPU

Mouse

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

Archiving

Formatting

Copying

Deleting

24. What does "data processing" mean?

Deleting data

Converting raw data into meaningful information

Typing data

Saving data

25. 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

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26. Which unit represents approximately 1,024 bytes?

Gigabyte

Kilobyte

Megabyte

Terabyte

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

Megabyte

Bit

Byte

Kilobyte

28. What is big data?

Small sets of data

Data with big fonts

Offline data

Extremely large and complex data sets

29. Which of these best describes metadata?

Data about data

Processed data

Compressed data

Backup data

30. Which of the following is qualitative data?

Age in years

Height in centimeters

Country names

Weight in kilograms

31. Which one is not a data type?

Boolean

Column

Integer

Float

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

Integer

Float

Boolean

String

33. What is a database?

An organized collection of data

A collection of images

A networking device

A type of software

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

Insert

Encrypt

Update

Delete

35. Which of the following statements is true?

Data is always stored on paper

Data is unprocessed facts

Data equals information

Data is meaningful by itself

36. Which of the following stores data temporarily?

Hard Drive

SSD

RAM

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

Data mining

Data migration

Data cleaning

Data compression

38. What is the full form of ASCII?

Advanced System for Computer Input and Information

American Standard Code for Information Interchange

Automated Standard Code for International Interface

American Software for Common Internet Input

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

SSD

USB drive

Hard disk

RAM

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

Chalkboard

XML

CSV

JSON

41. Which of these best describes data encryption?

Sorting records alphabetically

Converting data into a secure code

Storing data in the cloud

Printing data

42. Which of these is quantitative data?

Age of a person

Type of car

Color of eyes

Gender

43. What is the purpose of data validation?

To color rows

To ensure data quality and accuracy

To convert data to audio

To delete incorrect data

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

To print data

To visually organize and define data relationships

To increase data

To delete old records

45. Which device is primarily used to input data?

Mouse

Monitor

Printer

Speaker

46. What is data redundancy?

Repeating data storage unnecessarily

Backing up data

Deleting important data

Encrypting data

47. Which component stores data permanently in a computer?

Hard Disk

RAM

CPU

Cache

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

Structuring

Validation

Sorting

Cleaning

49. What is a record in a database?

A column of values

A single field

A single data item

A row of related data

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

Graphics only

Instructions given to the computer

Raw facts and figures

Processed information

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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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