Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 720 · 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.True or false: to rename a file means to change its name. (a) True (b) False
2. 2.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
3. 3.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
4. 4.Which of these is software? (a) a mouse (b) a web browser (c) a webcam (d) a hard disk
5. 5.Which of these is hardware? (a) a word processor (b) a computer game (c) a hard disk (d) a calculator app
6. 6.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the folder (d) the icon
7. 7.Which shortcut do we press to redo? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+X
8. 8.True or false: Ctrl+P is the shortcut to copy. (a) False (b) True
9. 9.💾 How many KB are there in 3 MB?
10. 10.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
11. 11.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) wires (d) buttons
12. 12.Which of these is an input device? (a) hard disk (b) speaker (c) solid-state drive (d) microphone
13. 13.🧩 Is a hard disk hardware or software? (a) hardware (b) software
14. 14.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
15. 15.💾 How many MB are there in 3 GB?
16. 16.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) select all (c) copy (d) undo
17. 17.True or false: a typing tutor is software. (a) True (b) False
18. 18.🧩 Is a webcam hardware or software? (a) hardware (b) software
19. 19.💾 How many bits are there in 1 byte?
20. 20.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
21. 21.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+C
22. 22.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
23. 23.Which file ending is a picture? (a) .mp3 (b) .pdf (c) .txt (d) .gif
24. 24.Which file ending is a document? (a) .avi (b) .pdf (c) .png (d) .jpg
25. 25.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) save (c) move (d) delete
26. 26.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) an output device (c) a storage device
27. 27.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
28. 28.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
29. 29.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
30. 30.Which of these is software? (a) a printer (b) a monitor (c) a mouse (d) a typing tutor
31. 31.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
32. 32.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
33. 33.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
34. 34.True or false: to delete a file means to throw it away. (a) True (b) False
35. 35.Which of these is software? (a) a computer game (b) a keyboard (c) a hard disk (d) a scanner
36. 36.What does it mean to copy a file? (a) make a brand-new one (b) make an exact twin (c) put it in another place (d) keep your work for later
37. 37.Which of these is a storage device? (a) printer (b) mouse (c) pen drive (d) microphone
38. 38.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a big file (d) a subfolder
39. 39.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) save (c) paste (d) undo
40. 40.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB

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