Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 826 · 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: Ctrl+X is the shortcut to undo. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) hard disk (d) keyboard
3. 3.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
4. 4.🔍 Which is the odd one out? (a) a calculator app (b) a word processor (c) a computer game (d) a monitor
5. 5.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
6. 6.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
7. 7.💾 How many MB are there in 2 GB?
8. 8.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
9. 9.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an input device (c) an output device
10. 10.🔍 Which is the odd one out? (a) scanner (b) microphone (c) mouse (d) speaker
11. 11.Which of these is true of RAM? (a) holds apps that are open (b) keeps data when off (c) is permanent storage (d) keeps your saved files
12. 12.True or false: to move a file means to make a brand-new one. (a) False (b) True
13. 13.Which of these is an input device? (a) hard disk (b) monitor (c) projector (d) mouse
14. 14.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
15. 15.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
16. 16.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
17. 17.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
18. 18.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an input device (c) an output device
19. 19.True or false: a memory card is a storage device. (a) False (b) True
20. 20.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+X (d) Ctrl+Z
21. 21.True or false: a speaker is software. (a) False (b) True
22. 22.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) move (c) copy (d) delete
23. 23.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
24. 24.💾 How many bytes are there in 1 KB?
25. 25.Which of these is hardware? (a) a paint program (b) a scanner (c) a word processor (d) a calculator app
26. 26.💾 How many KB are there in 3 MB?
27. 27.📷 A camera keeps its photos on a small ___. (a) speaker (b) mouse pad (c) keyboard (d) memory card
28. 28.🧩 Is a word processor hardware or software? (a) hardware (b) software
29. 29.📁 Which word means to “see what is inside” (for a file or folder)? (a) save (b) copy (c) open (d) create
30. 30.True or false: to open a file means to get rid of it. (a) True (b) False
31. 31.✋ Which can we touch: hardware or software? (a) hardware (b) software
32. 32.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+F (d) Ctrl+I
33. 33.Which of these is a storage device? (a) keyboard (b) solid-state drive (c) monitor (d) projector
34. 34.🔍 Which is the odd one out? (a) a webcam (b) a paint program (c) a word processor (d) a web browser
35. 35.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) cut (c) paste (d) select all
36. 36.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Delete (c) Copy (d) Redo
37. 37.Which of these is hardware? (a) a typing tutor (b) a web browser (c) a word processor (d) a hard disk
38. 38.📄 A file name ends in .png. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
39. 39.🧩 Is an operating system hardware or software? (a) software (b) hardware
40. 40.True or false: a music player app is hardware. (a) True (b) False

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