Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 880 · 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.What does it mean to open a file? (a) throw it away (b) get rid of it (c) keep your work for later (d) see what is inside
2. 2.🧩 Is a paint program hardware or software? (a) software (b) hardware
3. 3.Which of these is software? (a) a monitor (b) a computer game (c) a pen drive (d) a speaker
4. 4.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
5. 5.True or false: Ctrl+V is the shortcut to select all. (a) True (b) False
6. 6.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
7. 7.✋ Which can we touch: hardware or software? (a) software (b) hardware
8. 8.▌ What is the blinking line that shows where you will type? (a) the folder (b) the toolbar (c) the cursor (d) the icon
9. 9.True or false: Ctrl+A is the shortcut to cut. (a) False (b) True
10. 10.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
11. 11.Which of these is software? (a) a pen drive (b) a webcam (c) a hard disk (d) a paint program
12. 12.What does it mean to move a file? (a) change its name (b) keep your work for later (c) throw it away (d) put it in another place
13. 13.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
14. 14.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
15. 15.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+P (d) Ctrl+Y
16. 16.🧩 Is a scanner hardware or software? (a) hardware (b) software
17. 17.💾 How many bits are there in 3 bytes?
18. 18.🔍 Which is the odd one out? (a) hard disk (b) microphone (c) memory card (d) pen drive
19. 19.True or false: a printer is software. (a) True (b) False
20. 20.Which of these is a storage device? (a) mouse (b) printer (c) projector (d) memory card
21. 21.True or false: to create a file means to change its name. (a) True (b) False
22. 22.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) wires (d) buttons
23. 23.True or false: a scanner is hardware. (a) False (b) True
24. 24.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
25. 25.True or false: Ctrl+X is the shortcut to undo. (a) True (b) False
26. 26.True or false: to delete a file means to give it a new name. (a) False (b) True
27. 27.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
28. 28.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
29. 29.Which of these is software? (a) a monitor (b) an operating system (c) a keyboard (d) a mouse
30. 30.Which of these is a storage device? (a) solid-state drive (b) mouse (c) printer (d) speaker
31. 31.💾 How many bytes are there in 3 KB?
32. 32.Which of these is hardware? (a) a speaker (b) a computer game (c) a web browser (d) an operating system
33. 33.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
34. 34.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+X (d) Ctrl+Y
35. 35.💾 How many bytes are there in 1 KB?
36. 36.🔍 Which is the odd one out? (a) a scanner (b) a pen drive (c) a mouse (d) a word processor
37. 37.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
38. 38.True or false: RAM is temporary memory. (a) False (b) True
39. 39.Which of these is hardware? (a) a paint program (b) a webcam (c) a calculator app (d) a typing tutor
40. 40.🧩 Is a mouse hardware or software? (a) software (b) hardware

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