Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 81 · 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 one keeps photos for years: RAM or storage? (a) storage (b) RAM
2. 2.🧩 Is a computer game hardware or software? (a) hardware (b) software
3. 3.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
4. 4.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
5. 5.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
6. 6.True or false: RAM keeps data when off. (a) True (b) False
7. 7.📁 Which word means to “keep your work for later” (for a file or folder)? (a) open (b) save (c) rename (d) create
8. 8.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+C
9. 9.📄 What does a word processor help us do? (a) water plants (b) cook food (c) type and edit text (d) fly a kite
10. 10.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
11. 11.Which of these is an input device? (a) solid-state drive (b) memory card (c) keyboard (d) printer
12. 12.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) print (c) cut (d) save
13. 13.True or false: to move a file means to put it in another place. (a) False (b) True
14. 14.🧩 Is an operating system hardware or software? (a) hardware (b) software
15. 15.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a speaker (d) a pixel
16. 16.Which file ending is a document? (a) .jpg (b) .pdf (c) .mp3 (d) .gif
17. 17.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
18. 18.💾 How many KB are there in 2 MB?
19. 19.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
20. 20.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
21. 21.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
22. 22.What does it mean to save a file? (a) keep your work for later (b) get rid of it (c) throw it away (d) put it in another place
23. 23.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+X (d) Ctrl+V
24. 24.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) paste (c) copy (d) select all
25. 25.What does it mean to rename a file? (a) store your work (b) change its name (c) make a brand-new one (d) keep your work for later
26. 26.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a pen drive (d) a memory card
27. 27.Which shortcut do we press to copy? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+A (d) Ctrl+Z
28. 28.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
29. 29.True or false: an operating system is hardware. (a) True (b) False
30. 30.Which of these is software? (a) a pen drive (b) a computer game (c) a printer (d) a mouse
31. 31.Which file ending is a sound? (a) .pdf (b) .png (c) .txt (d) .mp3
32. 32.Which shortcut do we press to paste? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+S (d) Ctrl+Y
33. 33.💾 How many bits are there in 9 bytes?
34. 34.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
35. 35.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
36. 36.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the icon (d) the folder
37. 37.Which of these is an output device? (a) projector (b) keyboard (c) memory card (d) microphone
38. 38.True or false: to rename a file means to change its name. (a) True (b) False
39. 39.True or false: to rename a file means to give it a new name. (a) True (b) False
40. 40.True or false: RAM loses data when off. (a) False (b) True

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