Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 68 · 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.📄 A file name ends in .mkv. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
2. 2.True or false: to save a file means to change its name. (a) True (b) False
3. 3.🧩 Is a scanner hardware or software? (a) software (b) hardware
4. 4.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
5. 5.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Delete (d) Copy
6. 6.Which of these is an output device? (a) solid-state drive (b) projector (c) scanner (d) mouse
7. 7.🧰 Is a mouse a storage, input or output device? (a) a storage device (b) an input device (c) an output device
8. 8.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
9. 9.True or false: a calculator app is software. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) pen drive (d) printer
11. 11.🔍 Which is the odd one out? (a) a scanner (b) a monitor (c) a keyboard (d) a word processor
12. 12.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
13. 13.Which of these is software? (a) a scanner (b) a music player app (c) a webcam (d) a printer
14. 14.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+F (d) Ctrl+I
15. 15.True or false: a paint program is hardware. (a) True (b) False
16. 16.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
17. 17.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
18. 18.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
19. 19.📁 Which word means to “make an exact twin” (for a file or folder)? (a) rename (b) move (c) delete (d) copy
20. 20.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
21. 21.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
22. 22.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
23. 23.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) save (c) copy (d) move
24. 24.🧩 Is an operating system hardware or software? (a) software (b) hardware
25. 25.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
26. 26.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+C (c) Ctrl+A (d) Ctrl+P
27. 27.💾 How many bits are there in 1 byte?
28. 28.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) redo (c) copy (d) paste
29. 29.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
30. 30.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) open (c) move (d) create
31. 31.🔍 Which is the odd one out? (a) speaker (b) printer (c) monitor (d) memory card
32. 32.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) print (c) save (d) select all
33. 33.✋ Which can we touch: hardware or software? (a) software (b) hardware
34. 34.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
35. 35.Which of these is an input device? (a) pen drive (b) microphone (c) memory card (d) hard disk
36. 36.True or false: to delete a file means to throw it away. (a) True (b) False
37. 37.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) select all (c) save (d) copy
38. 38.Which shortcut do we press to print? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+Z
39. 39.True or false: a printer is software. (a) True (b) False
40. 40.Which of these is hardware? (a) an operating system (b) a paint program (c) a music player app (d) a speaker

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