Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 27 · 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.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
2. 2.True or false: a solid-state drive is a storage device. (a) False (b) True
3. 3.True or false: a speaker is hardware. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a calculator app (b) a webcam (c) a typing tutor (d) a paint program
5. 5.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Undo (d) Save
6. 6.🔍 Which is the odd one out? (a) speaker (b) printer (c) keyboard (d) monitor
7. 7.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
8. 8.True or false: an operating system is hardware. (a) False (b) True
9. 9.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a printer (d) a subfolder
10. 10.True or false: a mouse is hardware. (a) True (b) False
11. 11.💾 How many MB are there in 1 GB?
12. 12.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
13. 13.Which of these is hardware? (a) a speaker (b) an operating system (c) a word processor (d) a computer game
14. 14.✋ Which can we touch: hardware or software? (a) software (b) hardware
15. 15.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+V
16. 16.Which of these is a storage device? (a) scanner (b) pen drive (c) printer (d) mouse
17. 17.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) plumbers (d) tailors
18. 18.True or false: a web browser is software. (a) False (b) True
19. 19.True or false: a memory card is a storage device. (a) False (b) True
20. 20.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+S (d) Ctrl+Y
21. 21.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
22. 22.Which of these is hardware? (a) a word processor (b) an operating system (c) a paint program (d) a monitor
23. 23.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) paste (c) redo (d) undo
24. 24.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) open (c) save (d) rename
25. 25.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
26. 26.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) keeps your saved files (d) is temporary memory
27. 27.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
28. 28.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
29. 29.🔍 Which is the odd one out? (a) printer (b) memory card (c) pen drive (d) solid-state drive
30. 30.💾 How many GB are there in 2 TB?
31. 31.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) print (c) redo (d) paste
32. 32.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
33. 33.🔍 Which is the odd one out? (a) keyboard (b) microphone (c) projector (d) scanner
34. 34.💾 How many KB are there in 3 MB?
35. 35.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) cut (c) print (d) select all
36. 36.What does it mean to create a file? (a) give it a new name (b) make a brand-new one (c) get rid of it (d) keep your work for later
37. 37.🧰 Is a printer a storage, input or output device? (a) an input device (b) a storage device (c) an output device
38. 38.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
39. 39.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
40. 40.📁 Which word means to “make an exact twin” (for a file or folder)? (a) delete (b) copy (c) open (d) move

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