Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 117 · 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.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
2. 2.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
3. 3.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+C (d) Ctrl+V
4. 4.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
5. 5.🔍 Which is the odd one out? (a) a hard disk (b) a printer (c) a mouse (d) a computer game
6. 6.True or false: RAM keeps data when off. (a) False (b) True
7. 7.💾 How many MB are there in 1 GB?
8. 8.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) select all (c) redo (d) copy
9. 9.✋ Which can we touch: hardware or software? (a) software (b) hardware
10. 10.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
11. 11.💾 How many bits are there in 12 bytes?
12. 12.🔍 Which is the odd one out? (a) microphone (b) scanner (c) keyboard (d) projector
13. 13.Which of these is a storage device? (a) monitor (b) printer (c) scanner (d) solid-state drive
14. 14.💾 How many GB are there in 2 TB?
15. 15.Which file ending is a sound? (a) .jpg (b) .wav (c) .png (d) .mp4
16. 16.True or false: to copy a file means to put it in another place. (a) True (b) False
17. 17.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
18. 18.Which of these is software? (a) a mouse (b) a typing tutor (c) a pen drive (d) a speaker
19. 19.▌ What is the blinking line that shows where you will type? (a) the folder (b) the icon (c) the toolbar (d) the cursor
20. 20.True or false: RAM is temporary memory. (a) False (b) True
21. 21.💾 How many KB are there in 3 MB?
22. 22.True or false: to save a file means to store your work. (a) True (b) False
23. 23.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) paste (c) cut (d) print
24. 24.True or false: a printer is software. (a) False (b) True
25. 25.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
26. 26.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
27. 27.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) print (c) save (d) delete
28. 28.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
29. 29.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
30. 30.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Copy (d) Delete
31. 31.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
32. 32.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Copy (d) Undo
33. 33.Which file ending is a picture? (a) .mp3 (b) .wav (c) .png (d) .mp4
34. 34.🧩 Is a webcam hardware or software? (a) hardware (b) software
35. 35.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) cook food (d) type and edit text
36. 36.True or false: to save a file means to keep your work for later. (a) True (b) False
37. 37.True or false: a printer is hardware. (a) False (b) True
38. 38.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
39. 39.True or false: a hard disk is software. (a) False (b) True
40. 40.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Print (c) Delete (d) Cut

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