Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 348 · 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.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
2. 2.🔍 Which is the odd one out? (a) a hard disk (b) a keyboard (c) a calculator app (d) a mouse
3. 3.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+Y
4. 4.True or false: a mouse is software. (a) False (b) True
5. 5.True or false: a pen drive is a storage device. (a) True (b) False
6. 6.Which file ending is a picture? (a) .gif (b) .mp3 (c) .mkv (d) .mp4
7. 7.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
8. 8.True or false: a word processor is software. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a hard disk (b) an operating system (c) a web browser (d) a calculator app
10. 10.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) redo (c) cut (d) select all
11. 11.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) keeps data when off (c) holds apps that are open (d) is the working memory
12. 12.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
13. 13.💾 How many MB are there in 2 GB?
14. 14.True or false: to rename a file means to keep your work for later. (a) False (b) True
15. 15.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) type and edit text (d) cook food
16. 16.True or false: a scanner is software. (a) False (b) True
17. 17.Which file ending is a picture? (a) .pdf (b) .mkv (c) .mp3 (d) .png
18. 18.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) keeps your saved files (d) loses data when off
19. 19.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
20. 20.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
21. 21.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+S (d) Ctrl+X
22. 22.Which file ending is a sound? (a) .wav (b) .gif (c) .avi (d) .mkv
23. 23.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
24. 24.🔍 Which is the odd one out? (a) mouse (b) memory card (c) hard disk (d) solid-state drive
25. 25.True or false: to rename a file means to give it a new name. (a) False (b) True
26. 26.Which of these is an output device? (a) keyboard (b) mouse (c) memory card (d) projector
27. 27.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
28. 28.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Backspace (c) Copy (d) Undo
29. 29.Which of these is true of RAM? (a) is permanent storage (b) is temporary memory (c) keeps photos for years (d) keeps data when off
30. 30.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) an icon (d) a subfolder
31. 31.📷 A camera keeps its photos on a small ___. (a) memory card (b) mouse pad (c) keyboard (d) speaker
32. 32.✋ Which can we touch: hardware or software? (a) software (b) hardware
33. 33.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
34. 34.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
35. 35.True or false: a solid-state drive is a storage device. (a) False (b) True
36. 36.📁 Which word means to “keep your work for later” (for a file or folder)? (a) rename (b) move (c) create (d) save
37. 37.True or false: a paint program is hardware. (a) True (b) False
38. 38.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Cut (d) Undo
39. 39.💾 How many bits are there in 4 bytes?
40. 40.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) redo (c) select all (d) save

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