Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 680 · 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: Ctrl+Y is the shortcut to paste. (a) True (b) False
2. 2.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
3. 3.✋ Which can we touch: hardware or software? (a) software (b) hardware
4. 4.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
5. 5.Which shortcut do we press to undo? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+Z
6. 6.🧰 Is a speaker a storage, input or output device? (a) an output device (b) a storage device (c) an input device
7. 7.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) select all (c) undo (d) cut
8. 8.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
9. 9.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
10. 10.📄 What does a word processor help us do? (a) fly a kite (b) cook food (c) water plants (d) type and edit text
11. 11.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
12. 12.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
13. 13.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) create (c) delete (d) open
14. 14.True or false: a webcam is hardware. (a) True (b) False
15. 15.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
16. 16.True or false: a mouse is software. (a) False (b) True
17. 17.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
18. 18.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
19. 19.True or false: a pen drive is a storage device. (a) False (b) True
20. 20.Which of these is software? (a) a printer (b) a scanner (c) a music player app (d) a webcam
21. 21.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Copy (d) Undo
22. 22.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
23. 23.True or false: a hard disk is a storage device. (a) True (b) False
24. 24.True or false: RAM keeps your saved files. (a) True (b) False
25. 25.True or false: to move a file means to see what is inside. (a) False (b) True
26. 26.Which file ending is a sound? (a) .pdf (b) .gif (c) .avi (d) .wav
27. 27.💾 How many bits are there in 6 bytes?
28. 28.True or false: RAM is permanent storage. (a) True (b) False
29. 29.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
30. 30.True or false: a calculator app is software. (a) True (b) False
31. 31.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) print (d) paste
32. 32.💾 How many bytes are there in 1 KB?
33. 33.🧰 Is a monitor a storage, input or output device? (a) an output device (b) an input device (c) a storage device
34. 34.🔍 Which is the odd one out? (a) a speaker (b) a mouse (c) a webcam (d) a typing tutor
35. 35.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) redo (c) print (d) paste
36. 36.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) select all (c) paste (d) undo
37. 37.True or false: a keyboard is a storage device. (a) True (b) False
38. 38.💾 How many GB are there in 2 TB?
39. 39.True or false: to rename a file means to change its name. (a) True (b) False
40. 40.📁 Which word means to “store your work” (for a file or folder)? (a) copy (b) rename (c) save (d) delete

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