Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 125 · 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: a scanner is an output device. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) a speaker (b) a word processor (c) a calculator app (d) a music player app
3. 3.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) an output device (c) a storage device
4. 4.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
5. 5.True or false: a computer game is hardware. (a) False (b) True
6. 6.🧩 Is a paint program hardware or software? (a) hardware (b) software
7. 7.Which shortcut do we press to paste? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+C (d) Ctrl+A
8. 8.True or false: RAM is temporary memory. (a) True (b) False
9. 9.True or false: a printer is a storage device. (a) False (b) True
10. 10.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
11. 11.True or false: to save a file means to keep your work for later. (a) False (b) True
12. 12.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) cut (c) undo (d) redo
13. 13.💾 Which is smaller: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
14. 14.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Copy (d) Backspace
15. 15.True or false: a scanner is a storage device. (a) False (b) True
16. 16.Which shortcut do we press to print? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+C (d) Ctrl+Y
17. 17.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+V (d) Ctrl+C
18. 18.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) save (d) select
19. 19.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
20. 20.Which file ending is a video? (a) .avi (b) .mp3 (c) .txt (d) .pdf
21. 21.Which of these is an output device? (a) microphone (b) keyboard (c) mouse (d) projector
22. 22.⚡ Which is faster for the computer to work with? (a) a memory card (b) a pen drive (c) RAM (d) a printer
23. 23.🧩 Is a music player app hardware or software? (a) software (b) hardware
24. 24.💾 How many KB are there in 2 MB?
25. 25.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) copy (c) paste (d) save
26. 26.True or false: a microphone is an input device. (a) False (b) True
27. 27.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
28. 28.What does it mean to rename a file? (a) throw it away (b) give it a new name (c) make a brand-new one (d) keep your work for later
29. 29.💾 How many MB are there in 2 GB?
30. 30.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+V (d) Ctrl+X
31. 31.What does it mean to delete a file? (a) store your work (b) get rid of it (c) change its name (d) put it in another place
32. 32.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
33. 33.What does it mean to rename a file? (a) see what is inside (b) get rid of it (c) change its name (d) make a brand-new one
34. 34.🔍 Which is the odd one out? (a) hard disk (b) projector (c) monitor (d) speaker
35. 35.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
36. 36.📁 Which word means to “make an exact twin” (for a file or folder)? (a) save (b) move (c) rename (d) copy
37. 37.Which file ending is a picture? (a) .mp4 (b) .jpg (c) .avi (d) .mkv
38. 38.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
39. 39.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
40. 40.📁 Which word means to “put it in another place” (for a file or folder)? (a) rename (b) move (c) create (d) save

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets