Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 476 · 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: to delete a file means to put it in another place. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) solid-state drive (b) printer (c) monitor (d) projector
3. 3.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) type and edit text (d) cook food
4. 4.🧩 Is a computer game hardware or software? (a) software (b) hardware
5. 5.True or false: a computer game is software. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) hard disk (d) projector
7. 7.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) tailors (d) farmers
8. 8.🔍 Which is the odd one out? (a) keyboard (b) memory card (c) pen drive (d) solid-state drive
9. 9.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+F (c) Ctrl+I (d) Ctrl+U
10. 10.True or false: a keyboard is software. (a) True (b) False
11. 11.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
12. 12.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
13. 13.True or false: to save a file means to change its name. (a) True (b) False
14. 14.Which of these is software? (a) a speaker (b) a keyboard (c) a paint program (d) a mouse
15. 15.Which of these is software? (a) a speaker (b) a webcam (c) an operating system (d) a mouse
16. 16.True or false: a webcam is software. (a) True (b) False
17. 17.Which file ending is a sound? (a) .jpg (b) .mp3 (c) .gif (d) .txt
18. 18.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) cut (c) redo (d) print
19. 19.🔍 Which is the odd one out? (a) a typing tutor (b) a webcam (c) a music player app (d) a word processor
20. 20.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
21. 21.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) name (d) smell
22. 22.True or false: Ctrl+P is the shortcut to select all. (a) False (b) True
23. 23.💾 How many GB are there in 2 TB?
24. 24.💾 How many KB are there in 1 MB?
25. 25.Which of these is an output device? (a) solid-state drive (b) pen drive (c) mouse (d) monitor
26. 26.💾 How many bytes are there in 1 KB?
27. 27.🧰 Is a microphone a storage, input or output device? (a) an output device (b) an input device (c) a storage device
28. 28.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the cursor (d) the toolbar
29. 29.💾 How many bytes are there in 3 KB?
30. 30.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Redo (d) Delete
31. 31.True or false: a paint program is software. (a) False (b) True
32. 32.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
33. 33.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
34. 34.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a pen drive (d) a memory card
35. 35.True or false: RAM is the working memory. (a) False (b) True
36. 36.True or false: a hard disk is a storage device. (a) True (b) False
37. 37.Which shortcut do we press to undo? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+C (d) Ctrl+Z
38. 38.💾 How many GB are there in 1 TB?
39. 39.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) open (c) delete (d) rename
40. 40.🧩 Is a webcam hardware or software? (a) software (b) hardware

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