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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 process refers to making backup copies of data?

Formatting

Archiving

Copying

Deleting

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

Kilobyte

Byte

Bit

Megabyte

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

Microsoft Word

Microsoft Excel

Paint

Calculator

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

Accuracy

Timeliness

Redundancy

Completeness

5. What does CRUD stand for?

Convert, Run, Use, Download

Create, Run, Undo, Deliver

Create, Read, Update, Delete

Count, Remove, Upload, Download

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

Update

Encrypt

Delete

Insert

7. Which device is primarily used to input data?

Monitor

Printer

Mouse

Speaker

8. What is a data warehouse?

A place to store physical files

A central repository of integrated data for analysis

A large server room

A store for archived documents

9. Which of these best describes metadata?

Compressed data

Processed data

Backup data

Data about data

10. 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

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

Hard disk

RAM

SSD

USB drive

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

.exe

.csv

.mp3

.jpg

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

Official government website

Live experiment data

Sensor reading

Survey conducted by you

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

Textbook

Newspaper report

Questionnaire response

Research article

15. Which one is an example of unstructured data?

HTML table

Image file

Excel sheet

SQL table

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

SSD

CPU

RAM

Mouse

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

CSV

Chalkboard

XML

JSON

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

Integer

Boolean

Float

Character

19. Which component stores data permanently in a computer?

CPU

RAM

Hard Disk

Cache

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

Sorting

Cleaning

Structuring

Validation

21. What is the purpose of data validation?

To color rows

To convert data to audio

To ensure data quality and accuracy

To delete incorrect data

22. What is data latency?

The security level of the data

The number of columns

The size of the database

Delay in processing or transferring data

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

Stock market prices

Old census data

Monthly attendance reports

Archived research papers

24. Which unit represents approximately 1,024 bytes?

Megabyte

Kilobyte

Terabyte

Gigabyte

25. Which one is used to display data output?

Monitor

Scanner

Microphone

Keyboard

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26. What does data compression achieve?

Increases file size

Reduces the size of data files

Deletes unnecessary data

Converts data into graphics

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

String

Float

Boolean

Integer

28. What does "data processing" mean?

Converting raw data into meaningful information

Typing data

Saving data

Deleting data

29. Which of these best describes data encryption?

Printing data

Sorting records alphabetically

Converting data into a secure code

Storing data in the cloud

30. 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

31. Which of the following is considered structured data?

Images

Video files

Spreadsheets

Audio files

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

Processed information

Instructions given to the computer

Raw facts and figures

Graphics only

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

To increase data

To print data

To delete old records

To visually organize and define data relationships

34. Which process combines data from different sources?

Data cleaning

Data compression

Data visualization

Data integration

35. What is data redundancy?

Backing up data

Encrypting data

Repeating data storage unnecessarily

Deleting important data

36. What is a database?

An organized collection of data

A collection of images

A type of software

A networking device

37. Which one is a binary data format?

ZIP

PDF

DOCX

HTML

38. Which of these is quantitative data?

Type of car

Color of eyes

Age of a person

Gender

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

Data visualization

Data redundancy

Data mining

Data modeling

40. Which one is not a data type?

Float

Boolean

Column

Integer

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

Data cleaning

Data mining

Data compression

Data migration

42. What is big data?

Extremely large and complex data sets

Data with big fonts

Small sets of data

Offline data

43. Which of the following is qualitative data?

Weight in kilograms

Age in years

Country names

Height in centimeters

44. Which of the following stores data temporarily?

Hard Drive

SSD

RAM

45. Which of the following statements is true?

Data equals information

Data is meaningful by itself

Data is unprocessed facts

Data is always stored on paper

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

String

Boolean

Char

Float

47. What is a record in a database?

A row of related data

A single data item

A single field

A column of values

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

Typing a report

Formatting text

Copying files

Extracting useful patterns from large datasets

49. What is structured data stored in?

Videos

Tables with rows and columns

Audio formats

Images

50. Which of the following ensures data integrity?

Data loss

Data formatting

Data validation

Data duplication

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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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