Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 993 · 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.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Cut (d) Print
2. 2.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
3. 3.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) print (c) copy (d) paste
4. 4.💾 Which is bigger: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
5. 5.💾 How many MB are there in 1 GB?
6. 6.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an output device (c) an input device
7. 7.🧩 Is a word processor hardware or software? (a) software (b) hardware
8. 8.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) undo (c) paste (d) copy
9. 9.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
10. 10.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
11. 11.🧩 Is a paint program hardware or software? (a) hardware (b) software
12. 12.Which of these is hardware? (a) a hard disk (b) a paint program (c) a music player app (d) an operating system
13. 13.🔍 Which is the odd one out? (a) a computer game (b) a mouse (c) a pen drive (d) a keyboard
14. 14.What does it mean to move a file? (a) change its name (b) make an exact twin (c) put it in another place (d) make a brand-new one
15. 15.🔍 Which is the odd one out? (a) projector (b) keyboard (c) monitor (d) printer
16. 16.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) save (c) redo (d) undo
17. 17.🧰 Is a projector a storage, input or output device? (a) an output device (b) a storage device (c) an input device
18. 18.🧩 Is a printer hardware or software? (a) hardware (b) software
19. 19.🏷️ Every file has a ___ so we can find it. (a) name (b) weight (c) smell (d) taste
20. 20.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) farmers (d) tailors
21. 21.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
22. 22.True or false: Ctrl+S is the shortcut to print. (a) False (b) True
23. 23.💾 How many bytes are there in 2 KB?
24. 24.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
25. 25.📄 What does a word processor help us do? (a) type and edit text (b) water plants (c) fly a kite (d) cook food
26. 26.Which of these is a storage device? (a) printer (b) scanner (c) speaker (d) hard disk
27. 27.💾 How many GB are there in 2 TB?
28. 28.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) move (c) copy (d) rename
29. 29.Which shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+C
30. 30.True or false: a speaker is software. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a calculator app (b) a speaker (c) a webcam (d) a pen drive
32. 32.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
33. 33.Which of these is a storage device? (a) mouse (b) speaker (c) printer (d) memory card
34. 34.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) keeps photos for years (d) is the working memory
35. 35.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) select all (c) save (d) cut
36. 36.🔍 Which is the odd one out? (a) microphone (b) memory card (c) solid-state drive (d) pen drive
37. 37.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
38. 38.Which of these is software? (a) a webcam (b) a typing tutor (c) a speaker (d) a monitor
39. 39.🔍 Which is the odd one out? (a) projector (b) monitor (c) memory card (d) speaker
40. 40.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB

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