Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 601 · 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.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a folder (d) a speaker
2. 2.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) select (d) save
3. 3.Which of these is true of RAM? (a) keeps your saved files (b) holds apps that are open (c) is permanent storage (d) keeps data when off
4. 4.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) cut (c) undo (d) redo
5. 5.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
6. 6.Which file ending is a picture? (a) .avi (b) .gif (c) .mp4 (d) .txt
7. 7.Which file ending is a video? (a) .wav (b) .gif (c) .jpg (d) .avi
8. 8.🔍 Which is the odd one out? (a) memory card (b) keyboard (c) hard disk (d) pen drive
9. 9.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
10. 10.🔍 Which is the odd one out? (a) a typing tutor (b) a printer (c) a webcam (d) a hard disk
11. 11.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
12. 12.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+P
13. 13.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
14. 14.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+Z
15. 15.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
16. 16.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
17. 17.True or false: a scanner is hardware. (a) False (b) True
18. 18.Which of these is software? (a) a mouse (b) a pen drive (c) an operating system (d) a printer
19. 19.Which of these is a storage device? (a) microphone (b) pen drive (c) keyboard (d) projector
20. 20.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
21. 21.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
22. 22.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
23. 23.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
24. 24.What does it mean to save a file? (a) throw it away (b) change its name (c) put it in another place (d) store your work
25. 25.True or false: Ctrl+Z is the shortcut to copy. (a) True (b) False
26. 26.🧩 Is a monitor hardware or software? (a) software (b) hardware
27. 27.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
28. 28.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
29. 29.🧩 Is a mouse hardware or software? (a) software (b) hardware
30. 30.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the toolbar (d) the cursor
31. 31.🔍 Which is the odd one out? (a) a web browser (b) a pen drive (c) a mouse (d) a monitor
32. 32.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
33. 33.Which file ending is a document? (a) .jpg (b) .pdf (c) .mkv (d) .mp4
34. 34.💾 How many bytes are there in 4 KB?
35. 35.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Copy (c) Delete (d) Undo
36. 36.Which of these is a storage device? (a) projector (b) hard disk (c) keyboard (d) monitor
37. 37.What does it mean to move a file? (a) store your work (b) put it in another place (c) keep your work for later (d) give it a new name
38. 38.💾 Which is bigger: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
39. 39.True or false: a hard disk is an output device. (a) False (b) True
40. 40.💾 How many KB are there in 1 MB?

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