Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 814 · 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 can we touch: hardware or software? (a) software (b) hardware
2. 2.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) name (d) weight
3. 3.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) print (c) save (d) delete
4. 4.🔍 Which is the odd one out? (a) projector (b) hard disk (c) speaker (d) monitor
5. 5.🔍 Which is the odd one out? (a) monitor (b) microphone (c) projector (d) printer
6. 6.🔍 Which is the odd one out? (a) hard disk (b) solid-state drive (c) pen drive (d) monitor
7. 7.💾 Which is smaller: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
8. 8.True or false: a speaker is an output device. (a) True (b) False
9. 9.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
10. 10.Which file ending is a video? (a) .mp4 (b) .png (c) .wav (d) .txt
11. 11.📁 Which word means to “store your work” (for a file or folder)? (a) copy (b) delete (c) open (d) save
12. 12.True or false: Ctrl+C is the shortcut to select all. (a) True (b) False
13. 13.💾 How many bits are there in 7 bytes?
14. 14.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
15. 15.True or false: a paint program is software. (a) False (b) True
16. 16.🧩 Is a web browser hardware or software? (a) software (b) hardware
17. 17.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
18. 18.Which of these is software? (a) a mouse (b) a webcam (c) a calculator app (d) a keyboard
19. 19.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
20. 20.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
21. 21.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Undo (d) Backspace
22. 22.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
23. 23.True or false: to rename a file means to put it in another place. (a) True (b) False
24. 24.What does it mean to open a file? (a) see what is inside (b) store your work (c) make a brand-new one (d) get rid of it
25. 25.Which of these is software? (a) a printer (b) a monitor (c) a hard disk (d) a typing tutor
26. 26.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) mouse pad (d) keyboard
27. 27.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
28. 28.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) print (c) cut (d) undo
29. 29.True or false: to rename a file means to change its name. (a) False (b) True
30. 30.💾 How many KB are there in 2 MB?
31. 31.What does it mean to save a file? (a) throw it away (b) keep your work for later (c) make a brand-new one (d) see what is inside
32. 32.Which of these is software? (a) a keyboard (b) a scanner (c) a mouse (d) a paint program
33. 33.🔍 Which is the odd one out? (a) an operating system (b) a monitor (c) a mouse (d) a speaker
34. 34.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+X
35. 35.🧩 Is a printer hardware or software? (a) hardware (b) software
36. 36.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) print (d) redo
37. 37.True or false: a hard disk is software. (a) False (b) True
38. 38.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) print (c) cut (d) select all
39. 39.Which of these is hardware? (a) a scanner (b) a word processor (c) a typing tutor (d) a paint program
40. 40.💾 Which is bigger: 1 GB or 1 bit? (a) 1 GB (b) 1 bit

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