Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 96 · 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 can we touch: hardware or software? (a) hardware (b) software
2. 2.True or false: a typing tutor is hardware. (a) False (b) True
3. 3.Which of these is software? (a) a scanner (b) a computer game (c) a monitor (d) a printer
4. 4.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
5. 5.💾 How many bytes are there in 1 KB?
6. 6.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
7. 7.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) cut (c) paste (d) copy
8. 8.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
9. 9.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
10. 10.🔍 Which is the odd one out? (a) mouse (b) keyboard (c) memory card (d) microphone
11. 11.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
12. 12.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
13. 13.What does it mean to rename a file? (a) keep your work for later (b) get rid of it (c) make a brand-new one (d) change its name
14. 14.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) taste (d) name
15. 15.🧩 Is a paint program hardware or software? (a) hardware (b) software
16. 16.🔍 Which is the odd one out? (a) a music player app (b) a typing tutor (c) a speaker (d) an operating system
17. 17.💾 How many KB are there in 3 MB?
18. 18.Which of these is hardware? (a) a printer (b) a calculator app (c) a typing tutor (d) a music player app
19. 19.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+C (d) Ctrl+Z
20. 20.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
21. 21.True or false: a mouse is a storage device. (a) True (b) False
22. 22.True or false: RAM loses data when off. (a) True (b) False
23. 23.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
24. 24.What does it mean to open a file? (a) make a brand-new one (b) see what is inside (c) give it a new name (d) change its name
25. 25.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) undo (c) cut (d) print
26. 26.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
27. 27.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Copy (d) Cut
28. 28.True or false: Ctrl+C is the shortcut to select all. (a) True (b) False
29. 29.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
30. 30.Which of these is hardware? (a) an operating system (b) a keyboard (c) a word processor (d) a computer game
31. 31.True or false: to rename a file means to change its name. (a) True (b) False
32. 32.Which of these is a storage device? (a) microphone (b) printer (c) hard disk (d) monitor
33. 33.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
34. 34.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Undo (d) Delete
35. 35.🧩 Is a scanner hardware or software? (a) hardware (b) software
36. 36.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
37. 37.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
38. 38.📄 What does a word processor help us do? (a) fly a kite (b) cook food (c) type and edit text (d) water plants
39. 39.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
40. 40.True or false: Ctrl+Y is the shortcut to paste. (a) False (b) True

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