Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 853 · 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 mouse hardware or software? (a) software (b) hardware
2. 2.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) save (c) cut (d) paste
3. 3.💾 How many MB are there in 3 GB?
4. 4.📁 Which word means to “make an exact twin” (for a file or folder)? (a) save (b) rename (c) copy (d) move
5. 5.True or false: a word processor is software. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) speaker (b) monitor (c) printer (d) hard disk
7. 7.Which of these is hardware? (a) a web browser (b) a keyboard (c) a calculator app (d) a paint program
8. 8.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
9. 9.🧰 Is a memory card a storage, input or output device? (a) an output device (b) a storage device (c) an input device
10. 10.True or false: a typing tutor is hardware. (a) True (b) False
11. 11.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) rename (c) save (d) create
12. 12.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the hard disk (c) the pen drive (d) RAM
13. 13.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) instructions (d) buttons
14. 14.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
15. 15.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
16. 16.Which of these is hardware? (a) a calculator app (b) a typing tutor (c) a paint program (d) a printer
17. 17.True or false: a projector is an input device. (a) False (b) True
18. 18.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+S (d) Ctrl+A
19. 19.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a speaker (d) a folder
20. 20.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) copy (c) save (d) open
21. 21.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
22. 22.What does it mean to rename a file? (a) see what is inside (b) change its name (c) get rid of it (d) keep your work for later
23. 23.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
24. 24.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
25. 25.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
26. 26.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) delete (b) rename (c) create (d) copy
27. 27.✋ Which can we touch: hardware or software? (a) hardware (b) software
28. 28.Which of these is software? (a) a monitor (b) a music player app (c) a printer (d) a keyboard
29. 29.🧩 Is a monitor hardware or software? (a) hardware (b) software
30. 30.💾 How many GB are there in 1 TB?
31. 31.🔍 Which is the odd one out? (a) monitor (b) mouse (c) scanner (d) microphone
32. 32.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
33. 33.💾 How many bits are there in 12 bytes?
34. 34.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) redo (c) undo (d) save
35. 35.True or false: Ctrl+A is the shortcut to print. (a) False (b) True
36. 36.True or false: a printer is software. (a) True (b) False
37. 37.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) keeps photos for years (d) loses data when off
38. 38.💾 How many MB are there in 1 GB?
39. 39.What does it mean to rename a file? (a) make an exact twin (b) throw it away (c) give it a new name (d) keep your work for later
40. 40.What does it mean to create a file? (a) keep your work for later (b) give it a new name (c) change its name (d) make a brand-new one

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