Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 874 · 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.True or false: a paint program is software. (a) True (b) False
2. 2.⚡ Which is faster for the computer to work with? (a) RAM (b) a pen drive (c) a printer (d) a memory card
3. 3.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+I (d) Ctrl+F
4. 4.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) delete (d) select
5. 5.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Undo (d) Delete
6. 6.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) select all (c) cut (d) save
7. 7.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
8. 8.🔍 Which is the odd one out? (a) a word processor (b) a music player app (c) a computer game (d) a speaker
9. 9.🧩 Is a mouse hardware or software? (a) hardware (b) software
10. 10.💾 How many KB are there in 1 MB?
11. 11.💾 Which is bigger: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
12. 12.True or false: a keyboard is an input device. (a) True (b) False
13. 13.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
14. 14.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
15. 15.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
16. 16.💾 How many bits are there in 4 bytes?
17. 17.Which of these is software? (a) a monitor (b) a word processor (c) a keyboard (d) a scanner
18. 18.Which file ending is a video? (a) .png (b) .mp4 (c) .jpg (d) .txt
19. 19.Which of these is software? (a) a keyboard (b) a speaker (c) a monitor (d) a paint program
20. 20.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
21. 21.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+A
22. 22.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) create (c) copy (d) move
23. 23.Which of these is an output device? (a) keyboard (b) printer (c) pen drive (d) mouse
24. 24.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+V (d) Ctrl+Z
25. 25.Which of these is hardware? (a) a scanner (b) a web browser (c) an operating system (d) a typing tutor
26. 26.What does it mean to open a file? (a) give it a new name (b) make an exact twin (c) keep your work for later (d) see what is inside
27. 27.🔍 Which is the odd one out? (a) a calculator app (b) a mouse (c) a monitor (d) a pen drive
28. 28.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
29. 29.True or false: Ctrl+Y is the shortcut to cut. (a) True (b) False
30. 30.True or false: a scanner is hardware. (a) True (b) False
31. 31.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
32. 32.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
33. 33.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
34. 34.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
35. 35.Which file ending is a video? (a) .pdf (b) .avi (c) .mp3 (d) .wav
36. 36.⌨️ In a word processor, what does Ctrl+Z do? (a) copy (b) paste (c) print (d) undo
37. 37.🧩 Is a printer hardware or software? (a) software (b) hardware
38. 38.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
39. 39.🧩 Is a computer game hardware or software? (a) software (b) hardware
40. 40.💾 How many bits are there in 3 bytes?

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