Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 346 · 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 MB or 1 byte? (a) 1 MB (b) 1 byte
2. 2.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) paste (c) cut (d) save
3. 3.Which of these is hardware? (a) a calculator app (b) a pen drive (c) a web browser (d) a typing tutor
4. 4.🧩 Is a calculator app hardware or software? (a) software (b) hardware
5. 5.True or false: a word processor is hardware. (a) True (b) False
6. 6.🧰 Is a speaker a storage, input or output device? (a) an input device (b) a storage device (c) an output device
7. 7.True or false: a scanner is an output device. (a) True (b) False
8. 8.Which of these is an output device? (a) mouse (b) microphone (c) monitor (d) keyboard
9. 9.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
10. 10.True or false: a typing tutor is hardware. (a) True (b) False
11. 11.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) cook food (d) water plants
12. 12.True or false: to open a file means to keep your work for later. (a) True (b) False
13. 13.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a folder (d) a speaker
14. 14.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
15. 15.True or false: Ctrl+V is the shortcut to redo. (a) True (b) False
16. 16.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
17. 17.True or false: a solid-state drive is an input device. (a) True (b) False
18. 18.🧩 Is a scanner hardware or software? (a) hardware (b) software
19. 19.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Copy (c) Undo (d) Cut
20. 20.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
21. 21.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+X
22. 22.💾 How many MB are there in 2 GB?
23. 23.💾 How many bits are there in 1 byte?
24. 24.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
25. 25.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
26. 26.True or false: to open a file means to put it in another place. (a) True (b) False
27. 27.💾 How many GB are there in 1 TB?
28. 28.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) cloud storage (c) paper storage (d) rain storage
29. 29.💾 How many bytes are there in 3 KB?
30. 30.💾 How many KB are there in 1 MB?
31. 31.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
32. 32.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
33. 33.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
34. 34.True or false: to rename a file means to give it a new name. (a) False (b) True
35. 35.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) paste (c) select all (d) redo
36. 36.True or false: a monitor is hardware. (a) True (b) False
37. 37.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) cut (c) redo (d) save
38. 38.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+A (d) Ctrl+C
39. 39.What does it mean to rename a file? (a) make a brand-new one (b) change its name (c) store your work (d) see what is inside
40. 40.True or false: a microphone is an input device. (a) False (b) True

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