Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 378 · 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 is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
2. 2.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
3. 3.True or false: Ctrl+S is the shortcut to copy. (a) True (b) False
4. 4.True or false: a scanner is hardware. (a) True (b) False
5. 5.What does it mean to move a file? (a) put it in another place (b) throw it away (c) keep your work for later (d) give it a new name
6. 6.✋ Which can we touch: hardware or software? (a) hardware (b) software
7. 7.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
8. 8.🔍 Which is the odd one out? (a) a paint program (b) a typing tutor (c) a word processor (d) a pen drive
9. 9.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
10. 10.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Backspace (c) Undo (d) Copy
11. 11.Which of these is true of RAM? (a) keeps your saved files (b) keeps photos for years (c) loses data when off (d) is permanent storage
12. 12.What does it mean to save a file? (a) change its name (b) make an exact twin (c) put it in another place (d) store your work
13. 13.What does it mean to create a file? (a) see what is inside (b) make a brand-new one (c) store your work (d) throw it away
14. 14.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) save (c) copy (d) undo
15. 15.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
16. 16.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
17. 17.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
18. 18.Which of these is hardware? (a) a calculator app (b) a typing tutor (c) a pen drive (d) a web browser
19. 19.🔍 Which is the odd one out? (a) monitor (b) speaker (c) projector (d) hard disk
20. 20.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Undo (d) Delete
21. 21.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) a storage device (c) an output device
22. 22.🔍 Which is the odd one out? (a) a hard disk (b) a keyboard (c) a speaker (d) a web browser
23. 23.Which of these is software? (a) a monitor (b) a keyboard (c) a web browser (d) a printer
24. 24.True or false: RAM is the working memory. (a) True (b) False
25. 25.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+X (d) Ctrl+P
26. 26.True or false: a paint program is software. (a) False (b) True
27. 27.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
28. 28.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
29. 29.True or false: a mouse is software. (a) True (b) False
30. 30.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) a pen drive (d) RAM
31. 31.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) create (b) rename (c) move (d) delete
32. 32.💾 How many GB are there in 1 TB?
33. 33.💾 How many KB are there in 4 MB?
34. 34.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
35. 35.💾 How many bits are there in 12 bytes?
36. 36.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
37. 37.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
38. 38.Which of these is hardware? (a) a paint program (b) a computer game (c) a typing tutor (d) a webcam
39. 39.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
40. 40.Which file ending is a video? (a) .txt (b) .pdf (c) .mp3 (d) .mp4

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