Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 288 · 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 shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+V (d) Ctrl+Z
2. 2.🧰 Is a projector a storage, input or output device? (a) an output device (b) a storage device (c) an input device
3. 3.Which file ending is a picture? (a) .jpg (b) .mp4 (c) .txt (d) .pdf
4. 4.🔍 Which is the odd one out? (a) an operating system (b) a calculator app (c) a web browser (d) a hard disk
5. 5.True or false: an operating system is hardware. (a) True (b) False
6. 6.Which of these is hardware? (a) a word processor (b) a web browser (c) a webcam (d) a calculator app
7. 7.Which of these is software? (a) a web browser (b) a monitor (c) a pen drive (d) a scanner
8. 8.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
9. 9.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) print (c) save (d) copy
10. 10.True or false: a memory card is a storage device. (a) True (b) False
11. 11.📁 Which word means to “make an exact twin” (for a file or folder)? (a) create (b) copy (c) save (d) open
12. 12.💾 Which is smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
13. 13.True or false: a calculator app is software. (a) False (b) True
14. 14.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
15. 15.True or false: a word processor is software. (a) False (b) True
16. 16.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
17. 17.💾 How many bits are there in 3 bytes?
18. 18.💾 How many MB are there in 2 GB?
19. 19.True or false: a webcam is software. (a) False (b) True
20. 20.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+I (d) Ctrl+F
21. 21.True or false: to delete a file means to throw it away. (a) False (b) True
22. 22.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
23. 23.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+V (d) Ctrl+Z
24. 24.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+A
25. 25.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
26. 26.True or false: Ctrl+Y is the shortcut to print. (a) True (b) False
27. 27.True or false: RAM keeps data when off. (a) False (b) True
28. 28.What does it mean to save a file? (a) get rid of it (b) change its name (c) give it a new name (d) store your work
29. 29.What does it mean to copy a file? (a) change its name (b) get rid of it (c) make an exact twin (d) give it a new name
30. 30.🔍 Which is the odd one out? (a) a speaker (b) a paint program (c) a web browser (d) a calculator app
31. 31.📁 Which word means to “store your work” (for a file or folder)? (a) copy (b) delete (c) rename (d) save
32. 32.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
33. 33.True or false: to save a file means to keep your work for later. (a) False (b) True
34. 34.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
35. 35.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) screws (d) wires
36. 36.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+X
37. 37.True or false: Ctrl+C is the shortcut to paste. (a) False (b) True
38. 38.True or false: Ctrl+X is the shortcut to save. (a) False (b) True
39. 39.🧩 Is a speaker hardware or software? (a) hardware (b) software
40. 40.✋ Which can we touch: hardware or software? (a) hardware (b) software

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