Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 633 · 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+V do? (a) paste (b) cut (c) redo (d) select all
2. 2.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps photos for years (c) loses data when off (d) holds apps that are open
3. 3.💾 How many KB are there in 2 MB?
4. 4.True or false: to delete a file means to make an exact twin. (a) False (b) True
5. 5.True or false: a music player app is hardware. (a) True (b) False
6. 6.Which of these is an input device? (a) projector (b) keyboard (c) solid-state drive (d) hard disk
7. 7.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Copy (c) Delete (d) Cut
8. 8.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a pixel (d) a folder
9. 9.True or false: to rename a file means to change its name. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) a typing tutor (b) a monitor (c) a word processor (d) a web browser
11. 11.🧰 Is a scanner a storage, input or output device? (a) an output device (b) a storage device (c) an input device
12. 12.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
13. 13.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Copy (d) Undo
14. 14.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
15. 15.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
16. 16.True or false: to rename a file means to give it a new name. (a) True (b) False
17. 17.Which of these is software? (a) a speaker (b) a webcam (c) a mouse (d) an operating system
18. 18.🧩 Is a mouse hardware or software? (a) hardware (b) software
19. 19.🔍 Which is the odd one out? (a) solid-state drive (b) speaker (c) hard disk (d) pen drive
20. 20.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
21. 21.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the toolbar (d) the cursor
22. 22.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
23. 23.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) tailors (d) farmers
24. 24.Which of these is an input device? (a) speaker (b) hard disk (c) scanner (d) monitor
25. 25.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
26. 26.Which of these is software? (a) a mouse (b) a web browser (c) a webcam (d) a pen drive
27. 27.💾 How many KB are there in 3 MB?
28. 28.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) wires (d) buttons
29. 29.Which of these is hardware? (a) a webcam (b) an operating system (c) a music player app (d) a paint program
30. 30.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+P (d) Ctrl+V
31. 31.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Undo (c) Copy (d) Save
32. 32.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a keyboard (b) an operating system (c) a web browser (d) a computer game
34. 34.🔍 Which is the odd one out? (a) a paint program (b) a computer game (c) a word processor (d) a speaker
35. 35.What does it mean to create a file? (a) make a brand-new one (b) make an exact twin (c) throw it away (d) put it in another place
36. 36.📷 A camera keeps its photos on a small ___. (a) speaker (b) keyboard (c) memory card (d) mouse pad
37. 37.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) redo (c) select all (d) copy
38. 38.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) print (c) cut (d) redo
39. 39.Which of these is an input device? (a) microphone (b) memory card (c) pen drive (d) hard disk
40. 40.True or false: to copy a file means to make an exact twin. (a) False (b) True

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