Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 866 · 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.💾 How many bytes are there in 2 KB?
2. 2.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
3. 3.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
4. 4.💾 How many bytes are there in 1 KB?
5. 5.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
6. 6.💾 How many KB are there in 2 MB?
7. 7.True or false: Ctrl+S is the shortcut to cut. (a) False (b) True
8. 8.📁 Which word means to “make an exact twin” (for a file or folder)? (a) create (b) open (c) move (d) copy
9. 9.What does it mean to create a file? (a) give it a new name (b) make a brand-new one (c) get rid of it (d) keep your work for later
10. 10.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
11. 11.🔍 Which is the odd one out? (a) a monitor (b) a keyboard (c) a web browser (d) a printer
12. 12.💾 How many KB are there in 3 MB?
13. 13.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
14. 14.🧩 Is a word processor hardware or software? (a) hardware (b) software
15. 15.Which of these is hardware? (a) a web browser (b) a mouse (c) a calculator app (d) a word processor
16. 16.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
17. 17.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
18. 18.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
19. 19.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
20. 20.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
21. 21.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) is temporary memory (d) keeps your saved files
22. 22.True or false: Ctrl+Z is the shortcut to copy. (a) True (b) False
23. 23.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) copy (c) cut (d) save
24. 24.Which shortcut do we press to save? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+S (d) Ctrl+X
25. 25.True or false: RAM keeps your saved files. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a paint program (b) a web browser (c) a hard disk (d) a word processor
27. 27.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
28. 28.🔍 Which is the odd one out? (a) keyboard (b) printer (c) microphone (d) mouse
29. 29.What does it mean to move a file? (a) change its name (b) store your work (c) keep your work for later (d) put it in another place
30. 30.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+A
31. 31.🔍 Which is the odd one out? (a) a computer game (b) a speaker (c) an operating system (d) a web browser
32. 32.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
33. 33.What does it mean to open a file? (a) make an exact twin (b) get rid of it (c) see what is inside (d) give it a new name
34. 34.True or false: to delete a file means to give it a new name. (a) False (b) True
35. 35.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+C
36. 36.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+C (d) Ctrl+Y
37. 37.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) select (d) delete
38. 38.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
39. 39.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) cut (c) undo (d) copy
40. 40.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit

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