Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 273 · 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: storage (like a hard disk) is the working memory. (a) True (b) False
2. 2.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
3. 3.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) type and edit text (d) cook food
4. 4.💾 How many MB are there in 2 GB?
5. 5.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+P (d) Ctrl+S
6. 6.True or false: Ctrl+Z is the shortcut to print. (a) True (b) False
7. 7.What does it mean to move a file? (a) put it in another place (b) change its name (c) throw it away (d) see what is inside
8. 8.Which of these is hardware? (a) a hard disk (b) a computer game (c) a typing tutor (d) a web browser
9. 9.Which of these is an input device? (a) keyboard (b) projector (c) monitor (d) pen drive
10. 10.True or false: a mouse is an input device. (a) True (b) False
11. 11.📷 A camera keeps its photos on a small ___. (a) speaker (b) keyboard (c) memory card (d) mouse pad
12. 12.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a folder (d) a mouse
13. 13.📄 A file name ends in .png. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
14. 14.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+C (d) Ctrl+A
15. 15.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) byte (d) GB
16. 16.True or false: Ctrl+Z is the shortcut to paste. (a) True (b) False
17. 17.True or false: a mouse is an output device. (a) False (b) True
18. 18.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+V
19. 19.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
20. 20.Which of these is an output device? (a) memory card (b) scanner (c) printer (d) pen drive
21. 21.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
22. 22.✋ Which can we touch: hardware or software? (a) software (b) hardware
23. 23.Which of these is software? (a) a pen drive (b) a printer (c) a monitor (d) a calculator app
24. 24.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) a storage device (c) an input device
25. 25.True or false: Ctrl+V is the shortcut to copy. (a) False (b) True
26. 26.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+I (c) Ctrl+F (d) Ctrl+B
27. 27.🧩 Is a web browser hardware or software? (a) software (b) hardware
28. 28.True or false: Ctrl+S is the shortcut to undo. (a) True (b) False
29. 29.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
30. 30.🧩 Is a hard disk hardware or software? (a) hardware (b) software
31. 31.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
32. 32.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
33. 33.🔍 Which is the odd one out? (a) projector (b) monitor (c) scanner (d) speaker
34. 34.True or false: Ctrl+V is the shortcut to print. (a) False (b) True
35. 35.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) tailors (d) farmers
36. 36.True or false: Ctrl+A is the shortcut to undo. (a) False (b) True
37. 37.Which of these is hardware? (a) a paint program (b) a webcam (c) a word processor (d) an operating system
38. 38.True or false: a speaker is software. (a) False (b) True
39. 39.Which of these is an output device? (a) scanner (b) solid-state drive (c) memory card (d) speaker
40. 40.🔍 Which is the odd one out? (a) microphone (b) printer (c) projector (d) monitor

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