Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 7 · 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.🧩 Is a webcam hardware or software? (a) software (b) hardware
2. 2.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
3. 3.True or false: RAM keeps data when off. (a) True (b) False
4. 4.True or false: Ctrl+C is the shortcut to paste. (a) True (b) False
5. 5.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) create (c) rename (d) move
6. 6.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) paste (c) select all (d) save
7. 7.Which of these is true of RAM? (a) keeps data when off (b) is permanent storage (c) keeps photos for years (d) holds apps that are open
8. 8.True or false: to copy a file means to put it in another place. (a) True (b) False
9. 9.🧩 Is a printer hardware or software? (a) software (b) hardware
10. 10.🧩 Is a scanner hardware or software? (a) software (b) hardware
11. 11.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) save (c) delete (d) print
12. 12.What does it mean to open a file? (a) change its name (b) get rid of it (c) see what is inside (d) keep your work for later
13. 13.True or false: a scanner is software. (a) True (b) False
14. 14.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) an icon (d) a printer
15. 15.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
16. 16.Which shortcut do we press to undo? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+P (d) Ctrl+Z
17. 17.💾 How many GB are there in 2 TB?
18. 18.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a pixel (c) a speaker (d) a mouse
19. 19.✋ Which can we touch: hardware or software? (a) software (b) hardware
20. 20.📄 A file name ends in .mkv. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
21. 21.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) undo (c) paste (d) copy
22. 22.🧩 Is a web browser hardware or software? (a) hardware (b) software
23. 23.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
24. 24.💾 How many MB are there in 3 GB?
25. 25.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
26. 26.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
27. 27.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
28. 28.Which of these is hardware? (a) a calculator app (b) an operating system (c) a computer game (d) a monitor
29. 29.🧩 Is a pen drive hardware or software? (a) hardware (b) software
30. 30.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Cut (c) Delete (d) Print
31. 31.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
32. 32.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
33. 33.True or false: a printer is hardware. (a) True (b) False
34. 34.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+C
35. 35.Which of these is an output device? (a) mouse (b) keyboard (c) monitor (d) pen drive
36. 36.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
37. 37.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
38. 38.Which of these is hardware? (a) a computer game (b) a webcam (c) a web browser (d) a calculator app
39. 39.🔍 Which is the odd one out? (a) a paint program (b) an operating system (c) a pen drive (d) a music player app
40. 40.Which shortcut do we press to paste? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+S (d) Ctrl+V

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