Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 678 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) cut (c) copy (d) redo
2. 2.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) copy (c) cut (d) select all
3. 3.💾 How many bits are there in 6 bytes?
4. 4.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+P (d) Ctrl+V
5. 5.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) RAM (c) the memory card (d) the hard disk
6. 6.🧩 Is a pen drive hardware or software? (a) software (b) hardware
7. 7.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
8. 8.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) mouse (d) hard disk
9. 9.✋ Which can we touch: hardware or software? (a) hardware (b) software
10. 10.True or false: a printer is hardware. (a) False (b) True
11. 11.True or false: RAM loses data when off. (a) False (b) True
12. 12.Which file ending is a picture? (a) .avi (b) .mp4 (c) .wav (d) .jpg
13. 13.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) undo (c) paste (d) redo
14. 14.🧩 Is a printer hardware or software? (a) software (b) hardware
15. 15.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
16. 16.▌ What is the blinking line that shows where you will type? (a) the folder (b) the toolbar (c) the cursor (d) the icon
17. 17.💾 How many KB are there in 2 MB?
18. 18.🔍 Which is the odd one out? (a) a pen drive (b) a scanner (c) a web browser (d) a speaker
19. 19.💾 How many MB are there in 1 GB?
20. 20.Which of these is software? (a) a speaker (b) a computer game (c) a printer (d) a mouse
21. 21.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+V (d) Ctrl+Z
22. 22.True or false: a keyboard is hardware. (a) False (b) True
23. 23.Which of these is a storage device? (a) projector (b) speaker (c) monitor (d) solid-state drive
24. 24.True or false: a computer game is hardware. (a) False (b) True
25. 25.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) save (c) paste (d) select all
26. 26.True or false: to save a file means to keep your work for later. (a) True (b) False
27. 27.True or false: to save a file means to put it in another place. (a) False (b) True
28. 28.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
29. 29.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
30. 30.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
31. 31.🧩 Is a computer game hardware or software? (a) software (b) hardware
32. 32.Which of these is an output device? (a) solid-state drive (b) hard disk (c) mouse (d) monitor
33. 33.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
34. 34.True or false: a solid-state drive is an input device. (a) False (b) True
35. 35.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) cut (c) paste (d) copy
36. 36.📄 What does a word processor help us do? (a) type and edit text (b) cook food (c) fly a kite (d) water plants
37. 37.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
38. 38.True or false: an operating system is software. (a) True (b) False
39. 39.Which file ending is a document? (a) .wav (b) .gif (c) .jpg (d) .txt
40. 40.True or false: a printer is a storage device. (a) False (b) True

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