Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 995 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) redo (c) select all (d) paste
2. 2.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
3. 3.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) redo (c) undo (d) print
4. 4.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
5. 5.💾 How many bits are there in 8 bytes?
6. 6.Which file ending is a picture? (a) .mp4 (b) .txt (c) .png (d) .avi
7. 7.True or false: a monitor is a storage device. (a) False (b) True
8. 8.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) move (c) open (d) copy
9. 9.✋ Which can we touch: hardware or software? (a) software (b) hardware
10. 10.True or false: RAM loses data when off. (a) True (b) False
11. 11.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) redo (c) undo (d) cut
12. 12.🔍 Which is the odd one out? (a) a webcam (b) a scanner (c) a calculator app (d) a speaker
13. 13.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
14. 14.True or false: a printer is hardware. (a) True (b) False
15. 15.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) a pen drive (d) RAM
16. 16.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
17. 17.Which of these is a storage device? (a) microphone (b) memory card (c) speaker (d) monitor
18. 18.What does it mean to create a file? (a) change its name (b) make a brand-new one (c) see what is inside (d) throw it away
19. 19.▌ What is the blinking line that shows where you will type? (a) the icon (b) the cursor (c) the folder (d) the toolbar
20. 20.Which of these is software? (a) a mouse (b) a hard disk (c) a pen drive (d) a calculator app
21. 21.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) farmers (d) plumbers
22. 22.Which of these is a storage device? (a) pen drive (b) printer (c) speaker (d) keyboard
23. 23.🔍 Which is the odd one out? (a) a scanner (b) a calculator app (c) a web browser (d) an operating system
24. 24.💾 How many MB are there in 2 GB?
25. 25.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
26. 26.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) speaker (d) hard disk
27. 27.True or false: Ctrl+A is the shortcut to redo. (a) True (b) False
28. 28.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
29. 29.Which of these is true of RAM? (a) keeps photos for years (b) keeps data when off (c) holds apps that are open (d) keeps your saved files
30. 30.What does it mean to open a file? (a) change its name (b) make a brand-new one (c) store your work (d) see what is inside
31. 31.True or false: a webcam is software. (a) False (b) True
32. 32.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
33. 33.Which file ending is a sound? (a) .mp4 (b) .txt (c) .pdf (d) .wav
34. 34.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) print (c) save (d) delete
35. 35.💾 How many MB are there in 1 GB?
36. 36.True or false: to copy a file means to make an exact twin. (a) True (b) False
37. 37.Which of these is software? (a) a webcam (b) a paint program (c) a keyboard (d) a mouse
38. 38.📁 Which word means to “throw it away” (for a file or folder)? (a) create (b) copy (c) open (d) delete
39. 39.Which of these is software? (a) a scanner (b) a monitor (c) a keyboard (d) an operating system
40. 40.🧩 Is a scanner hardware or software? (a) software (b) hardware

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