Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 201 · 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.True or false: a printer is hardware. (a) True (b) False
2. 2.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
3. 3.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
4. 4.True or false: a pen drive is hardware. (a) True (b) False
5. 5.True or false: a monitor is hardware. (a) False (b) True
6. 6.True or false: a memory card is an output device. (a) True (b) False
7. 7.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
8. 8.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+P (d) Ctrl+A
9. 9.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
10. 10.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) save (c) redo (d) select all
11. 11.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
12. 12.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) rename (c) save (d) create
13. 13.True or false: a computer game is software. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) a hard disk (b) an operating system (c) a web browser (d) a calculator app
15. 15.💾 How many bits are there in 8 bytes?
16. 16.True or false: to copy a file means to change its name. (a) False (b) True
17. 17.What does it mean to rename a file? (a) get rid of it (b) put it in another place (c) keep your work for later (d) change its name
18. 18.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) farmers (d) plumbers
19. 19.Which of these is an input device? (a) solid-state drive (b) projector (c) monitor (d) keyboard
20. 20.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) print (c) copy (d) redo
21. 21.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) select (c) delete (d) save
22. 22.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Cut (d) Undo
23. 23.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) copy (c) cut (d) select all
24. 24.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) keeps your saved files (d) is temporary memory
25. 25.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) print (c) undo (d) copy
26. 26.Which of these is hardware? (a) a typing tutor (b) an operating system (c) a speaker (d) a web browser
27. 27.True or false: a mouse is software. (a) False (b) True
28. 28.True or false: a keyboard is hardware. (a) True (b) False
29. 29.True or false: to delete a file means to get rid of it. (a) True (b) False
30. 30.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
31. 31.💾 How many KB are there in 4 MB?
32. 32.🧰 Is a memory card a storage, input or output device? (a) an input device (b) a storage device (c) an output device
33. 33.💾 How many bits are there in 3 bytes?
34. 34.Which of these is hardware? (a) a web browser (b) a word processor (c) a pen drive (d) a paint program
35. 35.True or false: Ctrl+A is the shortcut to undo. (a) True (b) False
36. 36.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
37. 37.Which of these is true of RAM? (a) keeps photos for years (b) keeps data when off (c) is temporary memory (d) keeps your saved files
38. 38.Which of these is software? (a) a scanner (b) a mouse (c) a speaker (d) a web browser
39. 39.True or false: Ctrl+Y is the shortcut to select all. (a) True (b) False
40. 40.🧩 Is a mouse hardware or software? (a) hardware (b) software

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