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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 term refers to the visual representation of data?

Data mining

Data modeling

Data redundancy

Data visualization

2. Which device is primarily used to input data?

Monitor

Speaker

Printer

Mouse

3. Which one is an example of unstructured data?

Image file

Excel sheet

SQL table

HTML table

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

RAM

Mouse

SSD

CPU

5. Which of the following stores data temporarily?

RAM

Hard Drive

SSD

6. Which one is not a data type?

Boolean

Integer

Float

Column

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

Megabyte

Kilobyte

Bit

Byte

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

Monthly attendance reports

Stock market prices

Old census data

Archived research papers

9. What is data redundancy?

Repeating data storage unnecessarily

Encrypting data

Backing up data

Deleting important data

10. What is big data?

Small sets of data

Extremely large and complex data sets

Offline data

Data with big fonts

11. What does data compression achieve?

Increases file size

Converts data into graphics

Deletes unnecessary data

Reduces the size of data files

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

Structuring

Cleaning

Validation

Sorting

13. Which unit represents approximately 1,024 bytes?

Gigabyte

Megabyte

Kilobyte

Terabyte

14. What is a data warehouse?

A store for archived documents

A place to store physical files

A central repository of integrated data for analysis

A large server room

15. Which of these best describes data encryption?

Storing data in the cloud

Printing data

Sorting records alphabetically

Converting data into a secure code

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

.jpg

.exe

.csv

.mp3

17. Which of the following ensures data integrity?

Data formatting

Data duplication

Data validation

Data loss

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

Completeness

Accuracy

Timeliness

Redundancy

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

Float

Character

Integer

Boolean

20. What is structured data stored in?

Videos

Audio formats

Tables with rows and columns

Images

21. What is a record in a database?

A column of values

A single data item

A single field

A row of related data

22. Which component stores data permanently in a computer?

Cache

Hard Disk

RAM

CPU

23. What does "data processing" mean?

Typing data

Saving data

Converting raw data into meaningful information

Deleting data

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

String

Char

Float

Boolean

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

Integer

String

Boolean

Float

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26. What is the full form of ASCII?

American Software for Common Internet Input

American Standard Code for Information Interchange

Advanced System for Computer Input and Information

Automated Standard Code for International Interface

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

Archiving

Copying

Formatting

Deleting

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

Formatting text

Typing a report

Extracting useful patterns from large datasets

Copying files

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

JSON

CSV

Chalkboard

XML

30. Which process combines data from different sources?

Data cleaning

Data visualization

Data compression

Data integration

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

Calculator

Microsoft Word

Microsoft Excel

Paint

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

Official government website

Survey conducted by you

Live experiment data

Sensor reading

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

To increase data

To delete old records

To visually organize and define data relationships

To print data

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

Newspaper report

Questionnaire response

Textbook

Research article

35. What is data latency?

Delay in processing or transferring data

The number of columns

The security level of the data

The size of the database

36. What is the purpose of data validation?

To delete incorrect data

To convert data to audio

To color rows

To ensure data quality and accuracy

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

Raw facts and figures

Graphics only

Processed information

Instructions given to the computer

38. What is a database?

An organized collection of data

A collection of images

A type of software

A networking device

39. Which one is a binary data format?

DOCX

ZIP

PDF

HTML

40. Which of the following is qualitative data?

Age in years

Height in centimeters

Country names

Weight in kilograms

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

RAM

USB drive

SSD

Hard disk

42. Which of the following is considered structured data?

Images

Video files

Audio files

Spreadsheets

43. Which of the following statements is true?

Data is meaningful by itself

Data equals information

Data is always stored on paper

Data is unprocessed facts

44. Which of these is quantitative data?

Color of eyes

Age of a person

Gender

Type of car

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

Delete

Encrypt

Update

Insert

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

Data compression

Data cleaning

Data migration

Data mining

47. What does CRUD stand for?

Convert, Run, Use, Download

Create, Read, Update, Delete

Create, Run, Undo, Deliver

Count, Remove, Upload, Download

48. What is the purpose of data sampling?

To encrypt data

To reduce the size of data for quicker analysis

To analyze entire datasets

To compress data

49. Which one is used to display data output?

Keyboard

Scanner

Monitor

Microphone

50. Which of these best describes metadata?

Data about data

Compressed data

Processed data

Backup data

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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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