Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 817 · 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 shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+A (d) Ctrl+Y
2. 2.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
3. 3.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a folder (d) a pixel
4. 4.True or false: a typing tutor is software. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) scanner (b) keyboard (c) pen drive (d) mouse
6. 6.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
7. 7.Which of these is hardware? (a) a web browser (b) a music player app (c) a paint program (d) a mouse
8. 8.True or false: RAM is the working memory. (a) False (b) True
9. 9.Which of these is hardware? (a) a computer game (b) a web browser (c) a calculator app (d) a keyboard
10. 10.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) cut (c) paste (d) select all
11. 11.🧩 Is a hard disk hardware or software? (a) hardware (b) software
12. 12.True or false: a mouse is software. (a) False (b) True
13. 13.True or false: a memory card is an output device. (a) True (b) False
14. 14.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+P
15. 15.True or false: a speaker is hardware. (a) True (b) False
16. 16.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) tailors (d) plumbers
17. 17.🔍 Which is the odd one out? (a) a calculator app (b) a music player app (c) a keyboard (d) a web browser
18. 18.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+V (c) Ctrl+X (d) Ctrl+P
19. 19.💾 How many KB are there in 4 MB?
20. 20.What does it mean to delete a file? (a) make an exact twin (b) store your work (c) put it in another place (d) get rid of it
21. 21.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
22. 22.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
23. 23.🔍 Which is the odd one out? (a) microphone (b) monitor (c) printer (d) speaker
24. 24.💾 How many bits are there in 5 bytes?
25. 25.💾 How many bits are there in 11 bytes?
26. 26.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) taste (d) weight
27. 27.✋ Which can we touch: hardware or software? (a) software (b) hardware
28. 28.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
29. 29.🧩 Is a pen drive hardware or software? (a) software (b) hardware
30. 30.Which of these is software? (a) a web browser (b) a keyboard (c) a printer (d) a monitor
31. 31.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) hard disk (d) scanner
32. 32.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
33. 33.Which of these is a storage device? (a) speaker (b) scanner (c) memory card (d) monitor
34. 34.🔍 Which is the odd one out? (a) a scanner (b) a printer (c) a speaker (d) a web browser
35. 35.True or false: RAM keeps your saved files. (a) True (b) False
36. 36.True or false: Ctrl+Y is the shortcut to cut. (a) False (b) True
37. 37.True or false: a pen drive is an input device. (a) False (b) True
38. 38.💾 How many bytes are there in 2 KB?
39. 39.Which of these is hardware? (a) a speaker (b) a word processor (c) a music player app (d) a paint program
40. 40.What does it mean to move a file? (a) keep your work for later (b) change its name (c) put it in another place (d) make an exact twin

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