Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 147 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: hardware or software, units, memory, files, or editing text. Use that lesson’s idea — can you touch it, multiply to change units, RAM forgets, which file action, which shortcut. For unit sums, write the rule first (1 byte = 8 bits, 1 KB = 1024 bytes) and then multiply.

1. 1.What does it mean to rename a file? (a) throw it away (b) see what is inside (c) give it a new name (d) put it in another place
2. 2.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
3. 3.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
4. 4.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
5. 5.True or false: to open a file means to give it a new name. (a) False (b) True
6. 6.Which of these is software? (a) a monitor (b) a pen drive (c) a computer game (d) a mouse
7. 7.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+C
8. 8.True or false: a printer is software. (a) True (b) False
9. 9.🧩 Is a printer hardware or software? (a) software (b) hardware
10. 10.True or false: a memory card is an output device. (a) False (b) True
11. 11.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
12. 12.🧩 Is a word processor hardware or software? (a) software (b) hardware
13. 13.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) mouse (d) hard disk
14. 14.📄 What does a word processor help us do? (a) fly a kite (b) cook food (c) water plants (d) type and edit text
15. 15.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) cut (c) paste (d) print
16. 16.✋ Which can we touch: hardware or software? (a) software (b) hardware
17. 17.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
18. 18.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) cut (c) copy (d) undo
19. 19.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) programmers (d) farmers
20. 20.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
21. 21.Which of these is software? (a) a pen drive (b) a mouse (c) a word processor (d) a hard disk
22. 22.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
23. 23.What does it mean to create a file? (a) make a brand-new one (b) see what is inside (c) change its name (d) put it in another place
24. 24.Which of these is hardware? (a) a typing tutor (b) a word processor (c) a speaker (d) a calculator app
25. 25.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+C (d) Ctrl+Y
26. 26.True or false: to create a file means to get rid of it. (a) False (b) True
27. 27.🧩 Is a web browser hardware or software? (a) software (b) hardware
28. 28.True or false: a scanner is software. (a) False (b) True
29. 29.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
30. 30.True or false: Ctrl+Z is the shortcut to print. (a) False (b) True
31. 31.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) speaker (b) pen drive (c) memory card (d) hard disk
33. 33.What does it mean to move a file? (a) give it a new name (b) keep your work for later (c) put it in another place (d) see what is inside
34. 34.What does it mean to open a file? (a) see what is inside (b) keep your work for later (c) throw it away (d) put it in another place
35. 35.Which file ending is a picture? (a) .gif (b) .pdf (c) .wav (d) .mkv
36. 36.💾 How many MB are there in 1 GB?
37. 37.💾 How many bits are there in 3 bytes?
38. 38.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
39. 39.▌ What is the blinking line that shows where you will type? (a) the folder (b) the cursor (c) the toolbar (d) the icon
40. 40.🧩 Is a hard disk hardware or software? (a) hardware (b) software

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