Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 473 · 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 the odd one out? (a) a printer (b) a web browser (c) a scanner (d) a pen drive
2. 2.Which of these is hardware? (a) a web browser (b) a keyboard (c) a music player app (d) a computer game
3. 3.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) weight (d) smell
4. 4.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
5. 5.✋ Which can we touch: hardware or software? (a) software (b) hardware
6. 6.🧰 Is a printer a storage, input or output device? (a) an input device (b) an output device (c) a storage device
7. 7.🧩 Is a mouse hardware or software? (a) software (b) hardware
8. 8.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) rain storage (c) paper storage (d) box storage
9. 9.True or false: a mouse is software. (a) True (b) False
10. 10.📁 Which word means to “keep your work for later” (for a file or folder)? (a) copy (b) save (c) delete (d) create
11. 11.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) a hard disk (b) a monitor (c) a keyboard (d) a calculator app
13. 13.Which of these is hardware? (a) an operating system (b) a scanner (c) a web browser (d) a music player app
14. 14.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) create (c) move (d) delete
15. 15.💾 How many GB are there in 2 TB?
16. 16.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
17. 17.💾 How many bytes are there in 4 KB?
18. 18.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
19. 19.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+V (d) Ctrl+X
20. 20.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+A (d) Ctrl+X
21. 21.True or false: Ctrl+S is the shortcut to cut. (a) True (b) False
22. 22.🧩 Is a speaker hardware or software? (a) hardware (b) software
23. 23.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) plumbers (d) tailors
24. 24.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) undo (c) paste (d) redo
25. 25.True or false: RAM keeps data when off. (a) True (b) False
26. 26.What does it mean to create a file? (a) change its name (b) make a brand-new one (c) give it a new name (d) throw it away
27. 27.🧩 Is a monitor hardware or software? (a) hardware (b) software
28. 28.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) screws (d) wires
29. 29.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
30. 30.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) create (c) delete (d) open
31. 31.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) mouse (b) printer (c) keyboard (d) scanner
33. 33.💾 How many bits are there in 4 bytes?
34. 34.🔍 Which is the odd one out? (a) microphone (b) solid-state drive (c) pen drive (d) memory card
35. 35.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
36. 36.📁 Which word means to “see what is inside” (for a file or folder)? (a) rename (b) open (c) create (d) save
37. 37.True or false: to create a file means to throw it away. (a) True (b) False
38. 38.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
39. 39.🔍 Which is the odd one out? (a) projector (b) scanner (c) speaker (d) monitor
40. 40.True or false: a scanner is software. (a) True (b) False

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