Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 918 · 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.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
2. 2.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
3. 3.🧩 Is a keyboard hardware or software? (a) software (b) hardware
4. 4.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Undo (c) Copy (d) Save
5. 5.True or false: storage (like a hard disk) keeps your saved files. (a) True (b) False
6. 6.🧩 Is a pen drive hardware or software? (a) software (b) hardware
7. 7.💾 How many bytes are there in 4 KB?
8. 8.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
9. 9.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) copy (c) cut (d) save
10. 10.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
11. 11.True or false: a pen drive is software. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) projector (b) monitor (c) speaker (d) solid-state drive
13. 13.True or false: a mouse is software. (a) True (b) False
14. 14.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
15. 15.💾 How many KB are there in 3 MB?
16. 16.True or false: Ctrl+C is the shortcut to redo. (a) False (b) True
17. 17.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) select all (c) paste (d) redo
18. 18.📁 Which word means to “see what is inside” (for a file or folder)? (a) copy (b) open (c) move (d) save
19. 19.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
20. 20.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
21. 21.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
22. 22.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a printer (d) a pen drive
23. 23.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Redo (c) Copy (d) Delete
24. 24.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
25. 25.True or false: to open a file means to make a brand-new one. (a) False (b) True
26. 26.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
27. 27.Which file ending is a video? (a) .txt (b) .mp4 (c) .png (d) .jpg
28. 28.🧩 Is a paint program hardware or software? (a) hardware (b) software
29. 29.What does it mean to rename a file? (a) give it a new name (b) keep your work for later (c) store your work (d) throw it away
30. 30.True or false: a typing tutor is software. (a) True (b) False
31. 31.💾 How many KB are there in 1 MB?
32. 32.📁 Which word means to “make an exact twin” (for a file or folder)? (a) rename (b) save (c) copy (d) create
33. 33.🔍 Which is the odd one out? (a) scanner (b) hard disk (c) solid-state drive (d) pen drive
34. 34.Which of these is software? (a) a scanner (b) a printer (c) a typing tutor (d) a mouse
35. 35.True or false: a printer is hardware. (a) False (b) True
36. 36.Which file ending is a video? (a) .jpg (b) .wav (c) .avi (d) .txt
37. 37.🔍 Which is the odd one out? (a) a computer game (b) a music player app (c) a calculator app (d) a speaker
38. 38.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
39. 39.💾 How many MB are there in 1 GB?
40. 40.True or false: Ctrl+X is the shortcut to paste. (a) True (b) False

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