Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 326 · 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 can we touch: hardware or software? (a) hardware (b) software
2. 2.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
3. 3.True or false: Ctrl+V is the shortcut to redo. (a) False (b) True
4. 4.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+Y (d) Ctrl+Z
5. 5.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) rain storage (d) cloud storage
6. 6.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
7. 7.💾 How many bits are there in 6 bytes?
8. 8.Which of these is a storage device? (a) printer (b) mouse (c) pen drive (d) speaker
9. 9.📄 What does a word processor help us do? (a) type and edit text (b) water plants (c) cook food (d) fly a kite
10. 10.Which of these is a storage device? (a) solid-state drive (b) keyboard (c) scanner (d) printer
11. 11.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) undo (c) print (d) paste
12. 12.True or false: a monitor is an input device. (a) False (b) True
13. 13.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) redo (c) copy (d) undo
14. 14.True or false: RAM keeps photos for years. (a) False (b) True
15. 15.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Cut (c) Undo (d) Save
16. 16.True or false: a mouse is hardware. (a) True (b) False
17. 17.💾 How many MB are there in 1 GB?
18. 18.🧩 Is a printer hardware or software? (a) software (b) hardware
19. 19.Which of these is an output device? (a) pen drive (b) mouse (c) memory card (d) speaker
20. 20.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
21. 21.📁 Which word means to “see what is inside” (for a file or folder)? (a) copy (b) open (c) move (d) save
22. 22.True or false: a hard disk is software. (a) True (b) False
23. 23.💾 How many KB are there in 1 MB?
24. 24.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
25. 25.True or false: a mouse is software. (a) False (b) True
26. 26.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) move (c) open (d) save
27. 27.🧩 Is a keyboard hardware or software? (a) software (b) hardware
28. 28.Which of these is an input device? (a) scanner (b) solid-state drive (c) monitor (d) memory card
29. 29.🔍 Which is the odd one out? (a) a paint program (b) a web browser (c) a word processor (d) a speaker
30. 30.Which of these is an output device? (a) scanner (b) monitor (c) solid-state drive (d) pen drive
31. 31.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a speaker (d) a folder
32. 32.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
33. 33.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Print (d) Cut
34. 34.Which of these is software? (a) a mouse (b) an operating system (c) a pen drive (d) a speaker
35. 35.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) tailors (d) farmers
36. 36.What does it mean to save a file? (a) store your work (b) make a brand-new one (c) give it a new name (d) change its name
37. 37.What does it mean to delete a file? (a) keep your work for later (b) throw it away (c) make an exact twin (d) put it in another place
38. 38.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+I (c) Ctrl+F (d) Ctrl+U
39. 39.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
40. 40.🧩 Is a calculator app hardware or software? (a) hardware (b) software

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