Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 469 · 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 word means to “keep your work for later” (for a file or folder)? (a) rename (b) save (c) open (d) create
2. 2.💾 How many MB are there in 1 GB?
3. 3.🔍 Which is the odd one out? (a) a speaker (b) a pen drive (c) a typing tutor (d) a monitor
4. 4.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
5. 5.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
6. 6.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers
7. 7.💾 How many GB are there in 2 TB?
8. 8.True or false: Ctrl+S is the shortcut to undo. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) hard disk (b) microphone (c) memory card (d) solid-state drive
10. 10.🧩 Is a calculator app hardware or software? (a) software (b) hardware
11. 11.True or false: a microphone is an output device. (a) True (b) False
12. 12.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) is the working memory (d) keeps your saved files
13. 13.True or false: Ctrl+A is the shortcut to print. (a) True (b) False
14. 14.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Cut (c) Print (d) Undo
15. 15.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
16. 16.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
17. 17.✋ Which can we touch: hardware or software? (a) software (b) hardware
18. 18.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
19. 19.What does it mean to rename a file? (a) make an exact twin (b) give it a new name (c) keep your work for later (d) make a brand-new one
20. 20.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) an input device (c) a storage device
21. 21.Which file ending is a video? (a) .avi (b) .txt (c) .wav (d) .png
22. 22.📷 A camera keeps its photos on a small ___. (a) memory card (b) keyboard (c) speaker (d) mouse pad
23. 23.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
24. 24.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
25. 25.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
26. 26.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) keeps data when off (d) loses data when off
27. 27.True or false: RAM is permanent storage. (a) False (b) True
28. 28.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) print (c) select all (d) save
29. 29.Which shortcut do we press to print? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+A (d) Ctrl+Z
30. 30.🧩 Is a mouse hardware or software? (a) hardware (b) software
31. 31.Which of these is software? (a) a hard disk (b) a speaker (c) a music player app (d) a mouse
32. 32.Which of these is an output device? (a) solid-state drive (b) memory card (c) printer (d) hard disk
33. 33.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
34. 34.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
35. 35.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) print (c) copy (d) paste
36. 36.Which shortcut do we press to redo? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+Y
37. 37.🔍 Which is the odd one out? (a) a scanner (b) a printer (c) a hard disk (d) a word processor
38. 38.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
39. 39.Which of these is hardware? (a) an operating system (b) a web browser (c) a paint program (d) a printer
40. 40.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit

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