Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 299 · 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 bits are there in 10 bytes?
2. 2.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps your saved files (c) is temporary memory (d) loses data when off
3. 3.Which of these is true of RAM? (a) is permanent storage (b) holds apps that are open (c) keeps data when off (d) keeps your saved files
4. 4.True or false: a printer is an output device. (a) True (b) False
5. 5.Which shortcut do we press to redo? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+Z
6. 6.🧩 Is a computer game hardware or software? (a) software (b) hardware
7. 7.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
8. 8.📄 What does a word processor help us do? (a) type and edit text (b) fly a kite (c) water plants (d) cook food
9. 9.Which of these is a storage device? (a) projector (b) monitor (c) printer (d) hard disk
10. 10.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
11. 11.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) save (c) cut (d) paste
12. 12.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) tailors (d) plumbers
13. 13.⚡ Which is faster for the computer to work with? (a) RAM (b) a pen drive (c) a printer (d) a memory card
14. 14.💾 How many KB are there in 2 MB?
15. 15.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
16. 16.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) paste (c) redo (d) select all
17. 17.🔍 Which is the odd one out? (a) projector (b) monitor (c) solid-state drive (d) printer
18. 18.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
19. 19.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
20. 20.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
21. 21.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) copy (d) cut
22. 22.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
23. 23.📁 Which word means to “change its name” (for a file or folder)? (a) move (b) open (c) delete (d) rename
24. 24.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) keyboard (c) memory card (d) speaker
25. 25.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
26. 26.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
27. 27.💾 How many MB are there in 1 GB?
28. 28.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) open (c) copy (d) move
29. 29.True or false: a pen drive is software. (a) True (b) False
30. 30.✋ Which can we touch: hardware or software? (a) hardware (b) software
31. 31.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
32. 32.Which file ending is a picture? (a) .jpg (b) .mp4 (c) .pdf (d) .mp3
33. 33.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
34. 34.🔍 Which is the odd one out? (a) a web browser (b) a printer (c) a speaker (d) a mouse
35. 35.True or false: a hard disk is an output device. (a) True (b) False
36. 36.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
37. 37.Which of these is true of storage (like a hard disk)? (a) is permanent storage (b) is temporary memory (c) loses data when off (d) holds apps that are open
38. 38.🧩 Is a hard disk hardware or software? (a) software (b) hardware
39. 39.💾 How many GB are there in 1 TB?
40. 40.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an output device (c) an input device

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