Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 119 · 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.🧩 Is an operating system hardware or software? (a) software (b) hardware
2. 2.💾 How many MB are there in 3 GB?
3. 3.Which of these is hardware? (a) a web browser (b) a calculator app (c) a paint program (d) a hard disk
4. 4.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) copy (c) delete (d) save
5. 5.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
6. 6.Which of these is a storage device? (a) scanner (b) mouse (c) solid-state drive (d) keyboard
7. 7.True or false: to rename a file means to get rid of it. (a) True (b) False
8. 8.Which of these is hardware? (a) a music player app (b) an operating system (c) a web browser (d) a mouse
9. 9.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
10. 10.💾 How many GB are there in 1 TB?
11. 11.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) print (c) undo (d) redo
12. 12.True or false: a paint program is software. (a) True (b) False
13. 13.🧰 Is a speaker a storage, input or output device? (a) an input device (b) a storage device (c) an output device
14. 14.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Cut (c) Save (d) Undo
15. 15.True or false: a scanner is software. (a) False (b) True
16. 16.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
17. 17.🧩 Is a computer game hardware or software? (a) hardware (b) software
18. 18.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) undo (d) redo
19. 19.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+V (d) Ctrl+S
20. 20.True or false: a solid-state drive is an output device. (a) False (b) True
21. 21.Which of these is software? (a) a webcam (b) a calculator app (c) a mouse (d) a hard disk
22. 22.🔍 Which is the odd one out? (a) a computer game (b) a keyboard (c) an operating system (d) a calculator app
23. 23.True or false: Ctrl+X is the shortcut to redo. (a) True (b) False
24. 24.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) save (c) paste (d) redo
25. 25.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
26. 26.True or false: a monitor is software. (a) False (b) True
27. 27.🧩 Is a scanner hardware or software? (a) hardware (b) software
28. 28.🔍 Which is the odd one out? (a) printer (b) hard disk (c) speaker (d) projector
29. 29.🔍 Which is the odd one out? (a) a speaker (b) a paint program (c) a mouse (d) a monitor
30. 30.🏷️ Every file has a ___ so we can find it. (a) name (b) weight (c) smell (d) taste
31. 31.🔍 Which is the odd one out? (a) a printer (b) a web browser (c) a webcam (d) a speaker
32. 32.💾 How many bits are there in 9 bytes?
33. 33.🧩 Is a pen drive hardware or software? (a) software (b) hardware
34. 34.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) a memory card (d) RAM
35. 35.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a subfolder (d) a big file
36. 36.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
37. 37.✋ Which can we touch: hardware or software? (a) hardware (b) software
38. 38.💾 How many bits are there in 5 bytes?
39. 39.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
40. 40.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) print (c) select all (d) save

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