Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 518 · 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+Z do? (a) undo (b) print (c) save (d) select all
2. 2.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
3. 3.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) create (c) copy (d) rename
4. 4.🧩 Is a keyboard hardware or software? (a) hardware (b) software
5. 5.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) delete (c) copy (d) save
6. 6.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
7. 7.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
8. 8.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
9. 9.🧩 Is a hard disk hardware or software? (a) hardware (b) software
10. 10.🧩 Is a monitor hardware or software? (a) software (b) hardware
11. 11.Which of these is an input device? (a) projector (b) mouse (c) solid-state drive (d) memory card
12. 12.What does it mean to save a file? (a) change its name (b) throw it away (c) keep your work for later (d) put it in another place
13. 13.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+C (d) Ctrl+V
14. 14.True or false: to move a file means to put it in another place. (a) True (b) False
15. 15.✋ Which can we touch: hardware or software? (a) software (b) hardware
16. 16.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
17. 17.💾 How many GB are there in 1 TB?
18. 18.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
19. 19.True or false: RAM is permanent storage. (a) False (b) True
20. 20.🧰 Is a monitor a storage, input or output device? (a) an input device (b) an output device (c) a storage device
21. 21.🔍 Which is the odd one out? (a) a webcam (b) a mouse (c) a web browser (d) a printer
22. 22.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
23. 23.True or false: RAM keeps photos for years. (a) False (b) True
24. 24.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
25. 25.Which of these is software? (a) a hard disk (b) a keyboard (c) a webcam (d) a computer game
26. 26.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
27. 27.True or false: RAM keeps your saved files. (a) True (b) False
28. 28.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
29. 29.🧩 Is a mouse hardware or software? (a) software (b) hardware
30. 30.True or false: an operating system is hardware. (a) True (b) False
31. 31.Which file ending is a picture? (a) .pdf (b) .png (c) .mp4 (d) .mkv
32. 32.True or false: a web browser is hardware. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a paint program (b) a computer game (c) a scanner (d) an operating system
34. 34.🔍 Which is the odd one out? (a) a computer game (b) a calculator app (c) a music player app (d) a keyboard
35. 35.💾 How many bytes are there in 1 KB?
36. 36.Which file ending is a sound? (a) .wav (b) .gif (c) .pdf (d) .png
37. 37.Which of these is true of storage (like a hard disk)? (a) keeps photos for years (b) loses data when off (c) is the working memory (d) is temporary memory
38. 38.📄 A file name ends in .png. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
39. 39.Which shortcut do we press to undo? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+X
40. 40.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) a pen drive (d) RAM

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