Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 681 · 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.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
2. 2.True or false: Ctrl+X is the shortcut to print. (a) True (b) False
3. 3.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a folder (d) a pixel
4. 4.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
5. 5.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
6. 6.📁 Which word means to “keep your work for later” (for a file or folder)? (a) create (b) copy (c) delete (d) save
7. 7.Which file ending is a video? (a) .txt (b) .wav (c) .png (d) .mp4
8. 8.Which of these is hardware? (a) a speaker (b) a calculator app (c) a word processor (d) a music player app
9. 9.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
10. 10.Which of these is an input device? (a) projector (b) mouse (c) hard disk (d) speaker
11. 11.True or false: a keyboard is a storage device. (a) False (b) True
12. 12.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
13. 13.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) an output device (c) a storage device
14. 14.💾 How many MB are there in 2 GB?
15. 15.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) open (c) delete (d) create
16. 16.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
17. 17.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
18. 18.⌨️ In a word processor, what does Ctrl+Z do? (a) copy (b) cut (c) undo (d) paste
19. 19.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
20. 20.💾 How many GB are there in 1 TB?
21. 21.🧩 Is a computer game hardware or software? (a) software (b) hardware
22. 22.True or false: Ctrl+P is the shortcut to copy. (a) True (b) False
23. 23.Which of these is software? (a) a monitor (b) a mouse (c) a calculator app (d) a keyboard
24. 24.Which of these is a storage device? (a) projector (b) keyboard (c) pen drive (d) monitor
25. 25.True or false: to open a file means to see what is inside. (a) True (b) False
26. 26.🧩 Is an operating system hardware or software? (a) software (b) hardware
27. 27.🧩 Is a music player app hardware or software? (a) hardware (b) software
28. 28.🔍 Which is the odd one out? (a) an operating system (b) a paint program (c) a typing tutor (d) a keyboard
29. 29.True or false: a music player app is hardware. (a) False (b) True
30. 30.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
31. 31.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
32. 32.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) is the working memory (d) keeps photos for years
33. 33.Which of these is software? (a) a webcam (b) a word processor (c) a hard disk (d) a keyboard
34. 34.True or false: an operating system is hardware. (a) True (b) False
35. 35.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) copy (c) open (d) move
36. 36.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+X
37. 37.True or false: a scanner is hardware. (a) True (b) False
38. 38.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+A (d) Ctrl+Y
39. 39.Which file ending is a sound? (a) .wav (b) .gif (c) .txt (d) .mkv
40. 40.🧩 Is a paint program hardware or software? (a) hardware (b) software

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