Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 175 · 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 the odd one out? (a) projector (b) solid-state drive (c) printer (d) monitor
2. 2.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
3. 3.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) print (d) undo
4. 4.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
5. 5.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) a subfolder (d) an icon
6. 6.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
7. 7.True or false: to save a file means to keep your work for later. (a) False (b) True
8. 8.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Backspace (d) Copy
9. 9.💾 How many bytes are there in 1 KB?
10. 10.Which file ending is a sound? (a) .txt (b) .png (c) .pdf (d) .mp3
11. 11.🔍 Which is the odd one out? (a) a monitor (b) a computer game (c) a web browser (d) a paint program
12. 12.💾 How many MB are there in 2 GB?
13. 13.💾 How many KB are there in 3 MB?
14. 14.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
15. 15.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
16. 16.Which of these is hardware? (a) a web browser (b) a monitor (c) a music player app (d) an operating system
17. 17.True or false: to rename a file means to get rid of it. (a) False (b) True
18. 18.🧩 Is a computer game hardware or software? (a) software (b) hardware
19. 19.💾 How many bytes are there in 2 KB?
20. 20.🧰 Is a mouse a storage, input or output device? (a) an input device (b) an output device (c) a storage device
21. 21.What does it mean to rename a file? (a) see what is inside (b) make an exact twin (c) change its name (d) throw it away
22. 22.💾 How many MB are there in 3 GB?
23. 23.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) cut (c) paste (d) save
24. 24.💾 How many KB are there in 2 MB?
25. 25.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+S (d) Ctrl+V
26. 26.Which of these is software? (a) a monitor (b) a word processor (c) a printer (d) a scanner
27. 27.📁 Which word means to “change its name” (for a file or folder)? (a) create (b) copy (c) save (d) rename
28. 28.Which of these is an output device? (a) scanner (b) microphone (c) solid-state drive (d) speaker
29. 29.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
30. 30.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the cursor (d) the toolbar
31. 31.Which of these is software? (a) a keyboard (b) a printer (c) a paint program (d) a scanner
32. 32.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
33. 33.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+C
34. 34.True or false: a mouse is software. (a) True (b) False
35. 35.✋ Which can we touch: hardware or software? (a) software (b) hardware
36. 36.True or false: to create a file means to put it in another place. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) a music player app (b) a typing tutor (c) a paint program (d) a speaker
38. 38.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
39. 39.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
40. 40.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte

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