Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 702 · 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.💾 How many KB are there in 4 MB?
2. 2.🧩 Is a paint program hardware or software? (a) hardware (b) software
3. 3.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
4. 4.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
5. 5.Which of these is software? (a) a mouse (b) a keyboard (c) a word processor (d) a hard disk
6. 6.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Undo (c) Backspace (d) Delete
7. 7.True or false: a scanner is hardware. (a) False (b) True
8. 8.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
9. 9.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
10. 10.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
11. 11.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
12. 12.📁 Which word means to “make an exact twin” (for a file or folder)? (a) create (b) copy (c) save (d) delete
13. 13.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) RAM (d) a pen drive
14. 14.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+S (d) Ctrl+V
15. 15.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) keyboard (d) mouse pad
16. 16.Which of these is a storage device? (a) pen drive (b) projector (c) speaker (d) monitor
17. 17.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
18. 18.True or false: a paint program is software. (a) False (b) True
19. 19.What does it mean to delete a file? (a) make an exact twin (b) throw it away (c) give it a new name (d) keep your work for later
20. 20.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
21. 21.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
22. 22.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) save (d) select
23. 23.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Delete (c) Copy (d) Redo
24. 24.🔍 Which is the odd one out? (a) a calculator app (b) an operating system (c) a music player app (d) a mouse
25. 25.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
26. 26.✋ Which can we touch: hardware or software? (a) software (b) hardware
27. 27.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) taste (d) weight
28. 28.💾 How many bits are there in 11 bytes?
29. 29.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
30. 30.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
31. 31.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
32. 32.🔍 Which is the odd one out? (a) a webcam (b) a pen drive (c) a scanner (d) a paint program
33. 33.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
34. 34.What does it mean to open a file? (a) put it in another place (b) throw it away (c) see what is inside (d) make an exact twin
35. 35.True or false: a monitor is an output device. (a) False (b) True
36. 36.📁 Which word means to “give it a new name” (for a file or folder)? (a) create (b) rename (c) copy (d) delete
37. 37.🧩 Is a web browser hardware or software? (a) hardware (b) software
38. 38.What does it mean to delete a file? (a) change its name (b) put it in another place (c) get rid of it (d) make an exact twin
39. 39.True or false: a calculator app is hardware. (a) False (b) True
40. 40.True or false: a solid-state drive is an input device. (a) True (b) False

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