Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 165 · 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.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
2. 2.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
3. 3.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) delete (c) copy (d) move
4. 4.🧩 Is a computer game hardware or software? (a) software (b) hardware
5. 5.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Delete (d) Copy
6. 6.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) undo (c) redo (d) select all
7. 7.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
8. 8.What does it mean to open a file? (a) keep your work for later (b) throw it away (c) get rid of it (d) see what is inside
9. 9.What does it mean to move a file? (a) make an exact twin (b) make a brand-new one (c) put it in another place (d) keep your work for later
10. 10.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) paste (c) select all (d) save
11. 11.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
12. 12.💾 How many bits are there in 11 bytes?
13. 13.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
14. 14.🔍 Which is the odd one out? (a) keyboard (b) memory card (c) hard disk (d) pen drive
15. 15.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) mouse (b) printer (c) speaker (d) monitor
17. 17.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
18. 18.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
19. 19.📁 Which word means to “keep your work for later” (for a file or folder)? (a) copy (b) move (c) save (d) open
20. 20.🧩 Is a speaker hardware or software? (a) hardware (b) software
21. 21.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) save (c) rename (d) delete
22. 22.Which of these is software? (a) a webcam (b) a monitor (c) a computer game (d) a keyboard
23. 23.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
24. 24.💾 How many GB are there in 2 TB?
25. 25.🔍 Which is the odd one out? (a) a typing tutor (b) a paint program (c) a calculator app (d) a webcam
26. 26.Which of these is a storage device? (a) monitor (b) mouse (c) memory card (d) scanner
27. 27.Which of these is hardware? (a) a hard disk (b) a web browser (c) a paint program (d) a word processor
28. 28.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) select all (c) redo (d) paste
29. 29.🧩 Is an operating system hardware or software? (a) hardware (b) software
30. 30.📁 What do we call a folder inside another folder? (a) a subfolder (b) a printer (c) an icon (d) a big file
31. 31.🧩 Is a mouse hardware or software? (a) hardware (b) software
32. 32.True or false: a printer is an input device. (a) False (b) True
33. 33.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) name (d) weight
34. 34.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a pen drive (d) a printer
35. 35.True or false: Ctrl+S is the shortcut to redo. (a) True (b) False
36. 36.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+X
37. 37.True or false: a music player app is hardware. (a) True (b) False
38. 38.True or false: Ctrl+P is the shortcut to copy. (a) True (b) False
39. 39.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
40. 40.True or false: a keyboard is software. (a) False (b) True

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