Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 949 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) print (c) paste (d) redo
2. 2.💾 How many bits are there in 1 byte?
3. 3.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
4. 4.🔍 Which is the odd one out? (a) a keyboard (b) a monitor (c) a music player app (d) a speaker
5. 5.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+A
6. 6.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) RAM (d) a memory card
7. 7.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) select all (c) copy (d) save
8. 8.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
9. 9.🧩 Is a paint program hardware or software? (a) software (b) hardware
10. 10.🔍 Which is the odd one out? (a) a hard disk (b) an operating system (c) a calculator app (d) a computer game
11. 11.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
12. 12.True or false: to save a file means to throw it away. (a) False (b) True
13. 13.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) cook food (d) type and edit text
14. 14.🔍 Which is the odd one out? (a) an operating system (b) a speaker (c) a calculator app (d) a paint program
15. 15.Which of these is hardware? (a) a printer (b) a paint program (c) a word processor (d) a music player app
16. 16.What does it mean to copy a file? (a) change its name (b) put it in another place (c) see what is inside (d) make an exact twin
17. 17.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Copy (c) Undo (d) Cut
18. 18.🧩 Is a scanner hardware or software? (a) software (b) hardware
19. 19.True or false: Ctrl+Z is the shortcut to copy. (a) True (b) False
20. 20.💾 How many bits are there in 8 bytes?
21. 21.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
22. 22.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) paste (c) redo (d) print
23. 23.📷 A camera keeps its photos on a small ___. (a) keyboard (b) mouse pad (c) speaker (d) memory card
24. 24.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
25. 25.💾 How many MB are there in 2 GB?
26. 26.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) redo (c) paste (d) save
27. 27.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
28. 28.Which of these is hardware? (a) a word processor (b) a mouse (c) a paint program (d) a computer game
29. 29.Which file ending is a video? (a) .jpg (b) .wav (c) .mkv (d) .png
30. 30.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
31. 31.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
32. 32.True or false: to save a file means to get rid of it. (a) False (b) True
33. 33.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) save (c) copy (d) delete
34. 34.✋ Which can we touch: hardware or software? (a) software (b) hardware
35. 35.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) print (c) cut (d) paste
36. 36.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
37. 37.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) name (d) taste
38. 38.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) select all (c) copy (d) paste
39. 39.True or false: a computer game is software. (a) True (b) False
40. 40.What does it mean to rename a file? (a) put it in another place (b) make a brand-new one (c) change its name (d) see what is inside

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