Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 708 · 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) False (b) True
2. 2.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
3. 3.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) smell (d) weight
4. 4.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
5. 5.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the pen drive (c) RAM (d) the memory card
6. 6.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
7. 7.Which of these is an input device? (a) monitor (b) printer (c) speaker (d) scanner
8. 8.What does it mean to create a file? (a) get rid of it (b) make a brand-new one (c) put it in another place (d) change its name
9. 9.🔍 Which is the odd one out? (a) an operating system (b) a paint program (c) a keyboard (d) a word processor
10. 10.True or false: a calculator app is hardware. (a) False (b) True
11. 11.Which file ending is a document? (a) .txt (b) .jpg (c) .avi (d) .mp4
12. 12.🔍 Which is the odd one out? (a) a monitor (b) a web browser (c) a webcam (d) a scanner
13. 13.🧩 Is a scanner hardware or software? (a) hardware (b) software
14. 14.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) keeps your saved files (d) is temporary memory
15. 15.📁 Which word means to “change its name” (for a file or folder)? (a) create (b) open (c) move (d) rename
16. 16.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Delete (c) Redo (d) Cut
17. 17.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
18. 18.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
19. 19.💾 How many bytes are there in 1 KB?
20. 20.True or false: Ctrl+X is the shortcut to undo. (a) True (b) False
21. 21.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
22. 22.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) undo (c) paste (d) select all
23. 23.True or false: a music player app is hardware. (a) True (b) False
24. 24.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
25. 25.💾 How many bits are there in 8 bytes?
26. 26.True or false: to rename a file means to give it a new name. (a) True (b) False
27. 27.💾 How many bytes are there in 4 KB?
28. 28.True or false: a pen drive is a storage device. (a) False (b) True
29. 29.True or false: a hard disk is software. (a) True (b) False
30. 30.✋ Which can we touch: hardware or software? (a) software (b) hardware
31. 31.True or false: a computer game is software. (a) True (b) False
32. 32.True or false: to create a file means to store your work. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) a keyboard (b) a printer (c) a webcam (d) a word processor
34. 34.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) plumbers (d) programmers
35. 35.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
36. 36.💾 How many KB are there in 4 MB?
37. 37.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
38. 38.📷 A camera keeps its photos on a small ___. (a) speaker (b) keyboard (c) mouse pad (d) memory card
39. 39.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
40. 40.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) rename (c) delete (d) create

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