Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 889 · 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 is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
2. 2.Which of these is hardware? (a) a computer game (b) a paint program (c) a web browser (d) a printer
3. 3.Which of these is hardware? (a) a calculator app (b) a typing tutor (c) a word processor (d) a keyboard
4. 4.Which of these is hardware? (a) a word processor (b) a pen drive (c) an operating system (d) a typing tutor
5. 5.What does it mean to move a file? (a) put it in another place (b) give it a new name (c) see what is inside (d) throw it away
6. 6.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Delete (c) Redo (d) Cut
7. 7.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
8. 8.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
9. 9.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
10. 10.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) smell (d) name
11. 11.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a pixel (c) a mouse (d) a speaker
12. 12.💾 How many MB are there in 3 GB?
13. 13.🔍 Which is the odd one out? (a) a paint program (b) a printer (c) a pen drive (d) a webcam
14. 14.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) save (c) copy (d) redo
15. 15.True or false: RAM keeps data when off. (a) True (b) False
16. 16.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) save (c) select all (d) print
17. 17.🔍 Which is the odd one out? (a) solid-state drive (b) printer (c) memory card (d) pen drive
18. 18.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
19. 19.🧩 Is a monitor hardware or software? (a) software (b) hardware
20. 20.True or false: a scanner is software. (a) False (b) True
21. 21.True or false: a mouse is hardware. (a) True (b) False
22. 22.✋ Which can we touch: hardware or software? (a) software (b) hardware
23. 23.💾 Which is smaller: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
24. 24.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) select all (c) save (d) paste
25. 25.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) paste (c) save (d) cut
26. 26.💾 How many bytes are there in 2 KB?
27. 27.Which file ending is a picture? (a) .wav (b) .gif (c) .pdf (d) .mkv
28. 28.📁 Which word means to “make an exact twin” (for a file or folder)? (a) delete (b) copy (c) save (d) move
29. 29.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
30. 30.🧩 Is a mouse hardware or software? (a) hardware (b) software
31. 31.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
32. 32.🔍 Which is the odd one out? (a) a music player app (b) a webcam (c) a scanner (d) a keyboard
33. 33.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
34. 34.Which file ending is a sound? (a) .pdf (b) .mp3 (c) .gif (d) .txt
35. 35.🔍 Which is the odd one out? (a) pen drive (b) hard disk (c) keyboard (d) solid-state drive
36. 36.True or false: a pen drive is software. (a) False (b) True
37. 37.📄 What does a word processor help us do? (a) cook food (b) fly a kite (c) water plants (d) type and edit text
38. 38.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
39. 39.Which file ending is a picture? (a) .avi (b) .jpg (c) .txt (d) .wav
40. 40.🧩 Is a paint program hardware or software? (a) software (b) hardware

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