Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 429 · 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.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
2. 2.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Copy (d) Backspace
3. 3.True or false: a webcam is hardware. (a) False (b) True
4. 4.What does it mean to create a file? (a) keep your work for later (b) put it in another place (c) see what is inside (d) make a brand-new one
5. 5.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
6. 6.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a subfolder (d) a big file
7. 7.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
8. 8.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
9. 9.True or false: a hard disk is hardware. (a) False (b) True
10. 10.💾 How many bits are there in 9 bytes?
11. 11.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Save (c) Undo (d) Cut
12. 12.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
13. 13.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
14. 14.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) delete (d) select
15. 15.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) print (c) redo (d) cut
16. 16.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a mouse (d) a folder
17. 17.📄 What does a word processor help us do? (a) cook food (b) fly a kite (c) type and edit text (d) water plants
18. 18.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
19. 19.Which of these is an output device? (a) mouse (b) pen drive (c) speaker (d) keyboard
20. 20.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+X
21. 21.🔍 Which is the odd one out? (a) a word processor (b) a paint program (c) a monitor (d) an operating system
22. 22.💾 How many GB are there in 1 TB?
23. 23.True or false: a printer is hardware. (a) True (b) False
24. 24.Which of these is software? (a) a printer (b) a computer game (c) a mouse (d) a monitor
25. 25.💾 How many bytes are there in 4 KB?
26. 26.Which file ending is a sound? (a) .mp3 (b) .mp4 (c) .png (d) .pdf
27. 27.📁 Which word means to “put it in another place” (for a file or folder)? (a) rename (b) create (c) save (d) move
28. 28.💾 How many GB are there in 2 TB?
29. 29.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
30. 30.🔍 Which is the odd one out? (a) speaker (b) projector (c) printer (d) mouse
31. 31.🧰 Is a speaker a storage, input or output device? (a) an input device (b) a storage device (c) an output device
32. 32.⌨️ In a word processor, what does Ctrl+P do? (a) redo (b) print (c) undo (d) copy
33. 33.Which of these is software? (a) a speaker (b) a pen drive (c) a paint program (d) a mouse
34. 34.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
35. 35.True or false: Ctrl+X is the shortcut to paste. (a) True (b) False
36. 36.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
37. 37.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Cut (c) Undo (d) Print
38. 38.Which of these is a storage device? (a) keyboard (b) speaker (c) microphone (d) pen drive
39. 39.True or false: Ctrl+C is the shortcut to print. (a) True (b) False
40. 40.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True

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