Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 526 · 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: a hard disk is hardware. (a) True (b) False
2. 2.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) paper storage (c) rain storage (d) box storage
3. 3.True or false: storage (like a hard disk) keeps data when off. (a) True (b) False
4. 4.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) plumbers (d) farmers
5. 5.True or false: a keyboard is hardware. (a) True (b) False
6. 6.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) cut (c) copy (d) paste
7. 7.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) solid-state drive (d) mouse
8. 8.🔍 Which is the odd one out? (a) projector (b) printer (c) monitor (d) keyboard
9. 9.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
10. 10.💾 How many bits are there in 10 bytes?
11. 11.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) copy (c) select all (d) save
12. 12.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) redo (c) cut (d) copy
13. 13.What does it mean to open a file? (a) get rid of it (b) change its name (c) see what is inside (d) throw it away
14. 14.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) cut (c) save (d) redo
15. 15.True or false: Ctrl+P is the shortcut to redo. (a) True (b) False
16. 16.🧩 Is a printer hardware or software? (a) software (b) hardware
17. 17.🔍 Which is the odd one out? (a) hard disk (b) solid-state drive (c) pen drive (d) monitor
18. 18.Which shortcut do we press to copy? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+X (d) Ctrl+C
19. 19.💾 How many bits are there in 7 bytes?
20. 20.True or false: a printer is an output device. (a) True (b) False
21. 21.What does it mean to rename a file? (a) get rid of it (b) change its name (c) keep your work for later (d) throw it away
22. 22.🔍 Which is the odd one out? (a) a music player app (b) a speaker (c) a paint program (d) a calculator app
23. 23.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) save (c) delete (d) move
24. 24.🔍 Which is the odd one out? (a) a pen drive (b) a webcam (c) a monitor (d) a web browser
25. 25.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
26. 26.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) copy (c) cut (d) select all
27. 27.Which of these is an input device? (a) mouse (b) monitor (c) solid-state drive (d) hard disk
28. 28.What does it mean to delete a file? (a) put it in another place (b) throw it away (c) make a brand-new one (d) see what is inside
29. 29.True or false: to rename a file means to make an exact twin. (a) False (b) True
30. 30.Which shortcut do we press to print? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+A (d) Ctrl+Z
31. 31.True or false: storage (like a hard disk) keeps your saved files. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a keyboard (b) a mouse (c) a paint program (d) a scanner
33. 33.Which of these is true of RAM? (a) keeps your saved files (b) is temporary memory (c) keeps data when off (d) is permanent storage
34. 34.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) is the working memory (c) holds apps that are open (d) loses data when off
35. 35.Which of these is true of RAM? (a) keeps your saved files (b) keeps photos for years (c) is permanent storage (d) is the working memory
36. 36.What does it mean to create a file? (a) keep your work for later (b) throw it away (c) see what is inside (d) make a brand-new one
37. 37.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
38. 38.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
39. 39.True or false: to move a file means to put it in another place. (a) True (b) False
40. 40.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a printer (d) a memory card

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