Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 660 · 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 is the odd one out? (a) a monitor (b) a hard disk (c) a scanner (d) a typing tutor
2. 2.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) cut (c) save (d) select all
3. 3.💾 How many bytes are there in 1 KB?
4. 4.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
5. 5.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) open (c) save (d) rename
6. 6.🔍 Which is the odd one out? (a) monitor (b) memory card (c) pen drive (d) solid-state drive
7. 7.📁 Which word means to “put it in another place” (for a file or folder)? (a) copy (b) create (c) move (d) save
8. 8.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a mouse (d) a folder
9. 9.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) copy (c) paste (d) redo
10. 10.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Cut (c) Delete (d) Print
11. 11.🧰 Is a projector a storage, input or output device? (a) an input device (b) an output device (c) a storage device
12. 12.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) save (d) select
13. 13.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
14. 14.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
15. 15.💾 How many KB are there in 4 MB?
16. 16.True or false: Ctrl+Y is the shortcut to cut. (a) False (b) True
17. 17.True or false: a speaker is a storage device. (a) False (b) True
18. 18.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
19. 19.Which shortcut do we press to redo? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+V
20. 20.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
21. 21.True or false: a calculator app is hardware. (a) False (b) True
22. 22.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
23. 23.True or false: RAM is the working memory. (a) True (b) False
24. 24.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) copy (c) print (d) redo
25. 25.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
26. 26.🔍 Which is the odd one out? (a) a monitor (b) a web browser (c) a hard disk (d) a mouse
27. 27.True or false: a keyboard is software. (a) False (b) True
28. 28.💾 How many KB are there in 1 MB?
29. 29.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) plumbers (d) tailors
30. 30.💾 How many bytes are there in 4 KB?
31. 31.🧩 Is a computer game hardware or software? (a) hardware (b) software
32. 32.🧩 Is a pen drive hardware or software? (a) software (b) hardware
33. 33.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
34. 34.Which of these is hardware? (a) a paint program (b) a music player app (c) a monitor (d) a web browser
35. 35.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
36. 36.💾 How many KB are there in 3 MB?
37. 37.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+X (d) Ctrl+V
38. 38.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
39. 39.💾 How many bytes are there in 2 KB?
40. 40.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte

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