Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 996 · 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 do we call people who write software? (a) farmers (b) plumbers (c) tailors (d) programmers
2. 2.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+V
3. 3.True or false: Ctrl+V is the shortcut to undo. (a) False (b) True
4. 4.True or false: to save a file means to throw it away. (a) False (b) True
5. 5.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) print (c) copy (d) cut
6. 6.True or false: Ctrl+X is the shortcut to copy. (a) False (b) True
7. 7.💾 How many GB are there in 2 TB?
8. 8.🧰 Is a projector a storage, input or output device? (a) an input device (b) a storage device (c) an output device
9. 9.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
10. 10.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) paste (c) select all (d) save
11. 11.💾 How many bits are there in 5 bytes?
12. 12.True or false: a speaker is software. (a) True (b) False
13. 13.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
14. 14.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
15. 15.True or false: a scanner is an output device. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a webcam (b) a speaker (c) a calculator app (d) a mouse
17. 17.🧩 Is a scanner hardware or software? (a) hardware (b) software
18. 18.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) select (c) save (d) print
19. 19.True or false: Ctrl+P is the shortcut to cut. (a) True (b) False
20. 20.💾 How many KB are there in 3 MB?
21. 21.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) move (c) rename (d) create
22. 22.True or false: a mouse is hardware. (a) True (b) False
23. 23.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
24. 24.True or false: an operating system is hardware. (a) False (b) True
25. 25.🧩 Is a paint program hardware or software? (a) hardware (b) software
26. 26.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
27. 27.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
28. 28.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
29. 29.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) copy (c) undo (d) print
30. 30.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
31. 31.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) cut (c) undo (d) copy
32. 32.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) redo (c) paste (d) cut
33. 33.What does it mean to create a file? (a) make a brand-new one (b) store your work (c) put it in another place (d) get rid of it
34. 34.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
35. 35.True or false: to rename a file means to change its name. (a) False (b) True
36. 36.True or false: to open a file means to store your work. (a) False (b) True
37. 37.Which file ending is a video? (a) .jpg (b) .txt (c) .avi (d) .png
38. 38.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) create (c) open (d) move
39. 39.Which of these is hardware? (a) a keyboard (b) a web browser (c) a calculator app (d) a typing tutor
40. 40.🧩 Is a word processor hardware or software? (a) hardware (b) software

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