Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 884 · 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 bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
2. 2.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+C
3. 3.🧩 Is a word processor hardware or software? (a) hardware (b) software
4. 4.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) loses data when off (d) keeps your saved files
5. 5.Which of these is hardware? (a) a word processor (b) a pen drive (c) an operating system (d) a calculator app
6. 6.Which of these is an input device? (a) memory card (b) printer (c) microphone (d) monitor
7. 7.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
8. 8.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
9. 9.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
10. 10.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
11. 11.📁 Which word means to “see what is inside” (for a file or folder)? (a) copy (b) delete (c) open (d) move
12. 12.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) cook food (d) water plants
13. 13.What does it mean to move a file? (a) put it in another place (b) get rid of it (c) make a brand-new one (d) throw it away
14. 14.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) rename (c) move (d) create
15. 15.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+X (d) Ctrl+S
16. 16.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
17. 17.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) tailors (d) farmers
18. 18.🔍 Which is the odd one out? (a) a paint program (b) a calculator app (c) an operating system (d) a hard disk
19. 19.🏷️ Every file has a ___ so we can find it. (a) name (b) smell (c) taste (d) weight
20. 20.Which of these is an input device? (a) memory card (b) speaker (c) pen drive (d) mouse
21. 21.Which of these is a storage device? (a) memory card (b) monitor (c) speaker (d) keyboard
22. 22.💾 How many bytes are there in 3 KB?
23. 23.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
24. 24.Which of these is a storage device? (a) monitor (b) microphone (c) pen drive (d) scanner
25. 25.🧩 Is a computer game hardware or software? (a) software (b) hardware
26. 26.📁 Which word means to “throw it away” (for a file or folder)? (a) delete (b) create (c) copy (d) save
27. 27.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) save (c) redo (d) copy
28. 28.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
29. 29.Which file ending is a video? (a) .txt (b) .mp3 (c) .png (d) .mp4
30. 30.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
31. 31.True or false: RAM is temporary memory. (a) True (b) False
32. 32.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+C (d) Ctrl+P
33. 33.True or false: a memory card is an output device. (a) True (b) False
34. 34.💾 How many MB are there in 1 GB?
35. 35.True or false: a mouse is software. (a) False (b) True
36. 36.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) create (b) save (c) delete (d) open
37. 37.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
38. 38.💾 How many bits are there in 7 bytes?
39. 39.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
40. 40.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+X (c) Ctrl+Y (d) Ctrl+V

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