Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 86 · 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 one loses data when off: RAM or storage? (a) RAM (b) storage
2. 2.✋ Which can we touch: hardware or software? (a) software (b) hardware
3. 3.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
4. 4.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
5. 5.Which of these is an input device? (a) speaker (b) scanner (c) monitor (d) hard disk
6. 6.True or false: Ctrl+P is the shortcut to copy. (a) True (b) False
7. 7.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
8. 8.True or false: a paint program is software. (a) True (b) False
9. 9.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
10. 10.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the cursor (d) the toolbar
11. 11.True or false: a mouse is software. (a) False (b) True
12. 12.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) redo (c) save (d) print
13. 13.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
14. 14.Which of these is hardware? (a) a typing tutor (b) a scanner (c) an operating system (d) a web browser
15. 15.True or false: a hard disk is hardware. (a) False (b) True
16. 16.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) cut (c) save (d) copy
17. 17.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
18. 18.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) select (d) delete
19. 19.Which of these is a storage device? (a) printer (b) projector (c) scanner (d) pen drive
20. 20.💾 Which is bigger: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
21. 21.True or false: a projector is an output device. (a) False (b) True
22. 22.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
23. 23.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) screws (d) instructions
24. 24.🔍 Which is the odd one out? (a) a mouse (b) a monitor (c) a keyboard (d) a web browser
25. 25.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) projector (d) hard disk
26. 26.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) KB (d) byte
27. 27.🔍 Which is the odd one out? (a) a paint program (b) a scanner (c) a speaker (d) a mouse
28. 28.True or false: to move a file means to see what is inside. (a) False (b) True
29. 29.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is permanent storage (d) is temporary memory
30. 30.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
31. 31.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) copy (c) select all (d) save
32. 32.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
33. 33.True or false: a projector is an input device. (a) True (b) False
34. 34.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
35. 35.📄 What does a word processor help us do? (a) water plants (b) type and edit text (c) cook food (d) fly a kite
36. 36.Which file ending is a picture? (a) .txt (b) .mp4 (c) .pdf (d) .gif
37. 37.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
38. 38.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
39. 39.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
40. 40.🔍 Which is the odd one out? (a) a monitor (b) an operating system (c) a keyboard (d) a hard disk

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