Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 906 · 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.💾 How many bytes are there in 2 KB?
2. 2.True or false: an operating system is hardware. (a) False (b) True
3. 3.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) screws (d) instructions
4. 4.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) cut (c) paste (d) redo
5. 5.📄 A file name ends in .wav. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
6. 6.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a mouse (d) a pixel
7. 7.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
8. 8.What does it mean to save a file? (a) keep your work for later (b) change its name (c) give it a new name (d) see what is inside
9. 9.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) memory card (d) projector
10. 10.Which file ending is a document? (a) .png (b) .txt (c) .gif (d) .mp4
11. 11.Which of these is software? (a) a pen drive (b) a word processor (c) a keyboard (d) a printer
12. 12.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
13. 13.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) a subfolder (d) an icon
14. 14.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
15. 15.🧩 Is a hard disk hardware or software? (a) hardware (b) software
16. 16.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
17. 17.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
18. 18.💾 How many KB are there in 1 MB?
19. 19.🔍 Which is the odd one out? (a) a monitor (b) a word processor (c) a webcam (d) a keyboard
20. 20.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the folder (d) the icon
21. 21.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
22. 22.True or false: Ctrl+A is the shortcut to paste. (a) True (b) False
23. 23.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) paste (c) copy (d) select all
24. 24.What does it mean to copy a file? (a) give it a new name (b) store your work (c) put it in another place (d) make an exact twin
25. 25.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) cut (c) redo (d) paste
26. 26.True or false: a calculator app is hardware. (a) True (b) False
27. 27.True or false: a monitor is software. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a keyboard (b) a speaker (c) a pen drive (d) a paint program
29. 29.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) RAM (d) a memory card
30. 30.🧰 Is a speaker a storage, input or output device? (a) an input device (b) an output device (c) a storage device
31. 31.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Delete (d) Copy
32. 32.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
33. 33.✋ Which can we touch: hardware or software? (a) software (b) hardware
34. 34.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
35. 35.True or false: a pen drive is hardware. (a) False (b) True
36. 36.🧩 Is a monitor hardware or software? (a) software (b) hardware
37. 37.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
38. 38.True or false: to rename a file means to give it a new name. (a) False (b) True
39. 39.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+V
40. 40.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage

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