Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 934 · 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 undo? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+Z
2. 2.True or false: a pen drive is an input device. (a) False (b) True
3. 3.True or false: to delete a file means to throw it away. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) a mouse (b) a scanner (c) a paint program (d) a webcam
5. 5.True or false: RAM is permanent storage. (a) True (b) False
6. 6.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) print (c) copy (d) paste
7. 7.True or false: a monitor is a storage device. (a) True (b) False
8. 8.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) cut (c) paste (d) print
9. 9.True or false: a printer is hardware. (a) False (b) True
10. 10.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
11. 11.🧩 Is a mouse hardware or software? (a) software (b) hardware
12. 12.True or false: a scanner is software. (a) True (b) False
13. 13.Which of these is true of RAM? (a) loses data when off (b) keeps photos for years (c) is permanent storage (d) keeps data when off
14. 14.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+V (d) Ctrl+P
15. 15.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
16. 16.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
17. 17.True or false: a typing tutor is hardware. (a) False (b) True
18. 18.Which of these is a storage device? (a) mouse (b) projector (c) printer (d) solid-state drive
19. 19.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
20. 20.True or false: Ctrl+A is the shortcut to cut. (a) True (b) False
21. 21.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) print (c) cut (d) redo
22. 22.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) save (c) print (d) copy
23. 23.Which of these is software? (a) a speaker (b) a paint program (c) a scanner (d) a hard disk
24. 24.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a subfolder (d) a printer
25. 25.💾 How many MB are there in 3 GB?
26. 26.Which of these is software? (a) a speaker (b) a webcam (c) a computer game (d) a mouse
27. 27.Which of these is hardware? (a) a web browser (b) a keyboard (c) a paint program (d) a word processor
28. 28.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a speaker (d) a pixel
29. 29.True or false: to open a file means to see what is inside. (a) False (b) True
30. 30.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
31. 31.🧩 Is a keyboard hardware or software? (a) software (b) hardware
32. 32.True or false: Ctrl+Z is the shortcut to redo. (a) False (b) True
33. 33.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) taste (d) name
34. 34.💾 How many bits are there in 8 bytes?
35. 35.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
36. 36.🔍 Which is the odd one out? (a) a calculator app (b) a computer game (c) a paint program (d) a monitor
37. 37.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) buttons (d) instructions
38. 38.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
39. 39.💾 How many GB are there in 2 TB?
40. 40.Which of these is software? (a) a music player app (b) a mouse (c) a speaker (d) a pen drive

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