Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 250 · 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: Ctrl+P is the shortcut to print. (a) True (b) False
2. 2.Which of these is hardware? (a) a typing tutor (b) a web browser (c) a word processor (d) a pen drive
3. 3.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+S (d) Ctrl+Y
4. 4.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
5. 5.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
6. 6.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+X
7. 7.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) delete (d) select
8. 8.Which file ending is a sound? (a) .jpg (b) .pdf (c) .txt (d) .mp3
9. 9.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) farmers (d) tailors
10. 10.Which file ending is a video? (a) .gif (b) .mp4 (c) .wav (d) .pdf
11. 11.💾 How many MB are there in 2 GB?
12. 12.🧰 Is a projector a storage, input or output device? (a) an input device (b) a storage device (c) an output device
13. 13.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
14. 14.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) scanner (d) hard disk
15. 15.🔍 Which is the odd one out? (a) a printer (b) a pen drive (c) a scanner (d) a typing tutor
16. 16.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) undo (c) cut (d) print
17. 17.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
18. 18.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+C (d) Ctrl+P
19. 19.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
20. 20.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
21. 21.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+A
22. 22.Which of these is an input device? (a) mouse (b) speaker (c) solid-state drive (d) memory card
23. 23.True or false: RAM is permanent storage. (a) True (b) False
24. 24.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
25. 25.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
26. 26.True or false: a computer game is software. (a) False (b) True
27. 27.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
28. 28.What does it mean to save a file? (a) throw it away (b) keep your work for later (c) get rid of it (d) give it a new name
29. 29.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) taste (d) name
30. 30.💾 How many GB are there in 2 TB?
31. 31.Which file ending is a picture? (a) .pdf (b) .wav (c) .gif (d) .avi
32. 32.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
33. 33.Which file ending is a document? (a) .mp3 (b) .pdf (c) .jpg (d) .gif
34. 34.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Redo (d) Delete
35. 35.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
36. 36.True or false: Ctrl+X is the shortcut to undo. (a) False (b) True
37. 37.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Copy (c) Cut (d) Undo
38. 38.🔍 Which is the odd one out? (a) a monitor (b) a hard disk (c) a webcam (d) a music player app
39. 39.💾 How many bits are there in 2 bytes?
40. 40.Which of these is software? (a) an operating system (b) a monitor (c) a mouse (d) a pen drive

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