BrainCheck

Class 8 - Computer - Paper 045

Grade 8 / Computer

20 questions • 20 marks

Time: 25 minutes

Choose one answer per question.

Name: _________________________ Section: __________ Date: __________

1. What is the purpose of encryption?

○ A. Increasing screen size

○ B. Making data unreadable without the proper key

○ C. Removing all passwords

○ D. Printing a document

Networks

2. Which Python type stores True or False?

○ A. bool

○ B. list

○ C. str

○ D. float

Python basics

3. Which formula adds cells A1 to A4?

○ A. =BOLD(A1)

○ B. =ADDWORDS(A1)

○ C. =PRINT(A4)

○ D. =SUM(A1:A4)

Spreadsheets

4. A URL identifies _____.

○ A. a resource address on the web

○ B. only a type of printer paper

○ C. a keyboard layout

○ D. only a CPU speed

Internet

BrainCheck

Class 8 - Computer - Paper 045

Grade 8 / Computer

20 questions • 20 marks

Time: 25 minutes

Choose one answer per question.

Name: _________________________ Section: __________ Date: __________

5. What does a table row usually represent?

○ A. One record

○ B. A network cable

○ C. A whole database engine

○ D. A screen pixel

Databases

6. In the flowchart, what is printed when x is 7?

○ A. Nothing

○ B. Both HIGH and LOW

○ C. HIGH

○ D. LOW

Algorithms and control flow

7. Which memory normally loses stored contents when power is off?

○ A. USB drive

○ B. Hard disk

○ C. SSD

○ D. RAM

Memory and storage

8. Which command keeps selected text in the clipboard without removing it?

○ A. Copy

○ B. Delete

○ C. Close

○ D. Cut

Word processing

BrainCheck

Class 8 - Computer - Paper 045

Grade 8 / Computer

20 questions • 20 marks

Time: 25 minutes

Choose one answer per question.

Name: _________________________ Section: __________ Date: __________

9. What is a folder mainly used for?

○ A. Producing sound

○ B. Cooling the CPU

○ C. Organising files

○ D. Supplying power

Files and folders

10. How many bits are in a byte?

○ A. 2

○ B. 16

○ C. 10

○ D. 8

Data representation

11. What is a loop used for?

○ A. Making every program stop

○ B. Supplying electricity

○ C. Replacing a keyboard

○ D. Repeating instructions

Programming

12. What is decimal 12 in binary?

○ A. 1100

○ B. 1110

○ C. 1111

○ D. 1101

Binary numbers

BrainCheck

Class 8 - Computer - Paper 045

Grade 8 / Computer

20 questions • 20 marks

Time: 25 minutes

Choose one answer per question.

Name: _________________________ Section: __________ Date: __________

13. What is an operating system mainly responsible for?

○ A. Only painting the case

○ B. Managing hardware and programs

○ C. Only charging a cable

○ D. Only typing letters

Operating systems

14. A presentation is usually organised into _____.

○ A. rows only

○ B. folders only

○ C. physical keys

○ D. slides

Presentations

15. An algorithm is a _____.

○ A. kind of battery

○ B. picture file extension

○ C. finite sequence of problem-solving steps

○ D. monitor cable

Algorithms

16. In the flowchart, what is printed when x is 15?

○ A. HIGH

○ B. LOW

○ C. Both HIGH and LOW

○ D. Nothing

Algorithms and control flow

BrainCheck

Class 8 - Computer - Paper 045

Grade 8 / Computer

20 questions • 20 marks

Time: 25 minutes

Choose one answer per question.

Name: _________________________ Section: __________ Date: __________

17. A strong password should be _____.

○ A. hard to guess and not reused

○ B. shared publicly

○ C. your name only

○ D. 12345678

Cyber safety

18. Using another person's work without credit is _____.

○ A. plagiarism

○ B. encryption

○ C. alignment

○ D. compression

Digital ethics

19. Which tag inserts an image in HTML?

○ A. <pic>

○ B. <photo>

○ C. <imagefile>

○ D. <img>

HTML

20. Which is hardware?

○ A. Drawing program

○ B. Web browser

○ C. Operating system

○ D. Keyboard

Hardware and software