Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 813 · 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+S is the shortcut to save. (a) False (b) True
2. 2.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) cut (c) select all (d) paste
3. 3.📄 What does a word processor help us do? (a) cook food (b) fly a kite (c) type and edit text (d) water plants
4. 4.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) tailors (d) plumbers
5. 5.True or false: to move a file means to get rid of it. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) projector (d) pen drive
7. 7.What does it mean to open a file? (a) throw it away (b) store your work (c) make a brand-new one (d) see what is inside
8. 8.⌨️ In a word processor, what does Ctrl+P do? (a) redo (b) copy (c) undo (d) print
9. 9.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) copy (c) redo (d) undo
10. 10.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps data when off (c) holds apps that are open (d) is temporary memory
11. 11.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
12. 12.What does it mean to move a file? (a) throw it away (b) change its name (c) store your work (d) put it in another place
13. 13.✋ Which can we touch: hardware or software? (a) software (b) hardware
14. 14.Which file ending is a sound? (a) .avi (b) .wav (c) .jpg (d) .png
15. 15.What does it mean to save a file? (a) see what is inside (b) give it a new name (c) store your work (d) make a brand-new one
16. 16.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a speaker (d) a folder
17. 17.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) open (c) copy (d) delete
18. 18.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
19. 19.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+X (d) Ctrl+S
20. 20.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) save (d) cut
21. 21.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
22. 22.💾 Which is bigger: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
23. 23.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
24. 24.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
25. 25.True or false: to move a file means to give it a new name. (a) False (b) True
26. 26.True or false: RAM loses data when off. (a) False (b) True
27. 27.True or false: to rename a file means to change its name. (a) True (b) False
28. 28.What does it mean to delete a file? (a) make an exact twin (b) put it in another place (c) see what is inside (d) get rid of it
29. 29.💾 How many KB are there in 4 MB?
30. 30.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
31. 31.True or false: a pen drive is hardware. (a) False (b) True
32. 32.💾 How many bits are there in 11 bytes?
33. 33.True or false: a calculator app is software. (a) False (b) True
34. 34.What does it mean to create a file? (a) make a brand-new one (b) give it a new name (c) store your work (d) put it in another place
35. 35.Which file ending is a sound? (a) .mp3 (b) .avi (c) .mkv (d) .gif
36. 36.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) an icon (d) a subfolder
37. 37.Which of these is software? (a) a mouse (b) a keyboard (c) a monitor (d) a calculator app
38. 38.💾 How many KB are there in 3 MB?
39. 39.True or false: a scanner is an output device. (a) False (b) True
40. 40.Which of these is hardware? (a) a word processor (b) a music player app (c) a webcam (d) a paint program

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