Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 690 · 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+P is the shortcut to print. (a) True (b) False
2. 2.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Cut (d) Delete
3. 3.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
4. 4.True or false: Ctrl+A is the shortcut to cut. (a) False (b) True
5. 5.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) weight (d) name
6. 6.🧩 Is a hard disk hardware or software? (a) software (b) hardware
7. 7.🔍 Which is the odd one out? (a) scanner (b) memory card (c) hard disk (d) solid-state drive
8. 8.🧩 Is a printer hardware or software? (a) hardware (b) software
9. 9.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+V
10. 10.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
11. 11.Which of these is hardware? (a) a web browser (b) a monitor (c) a typing tutor (d) a calculator app
12. 12.🔍 Which is the odd one out? (a) a printer (b) a paint program (c) a music player app (d) a word processor
13. 13.📁 Which word means to “get rid of it” (for a file or folder)? (a) rename (b) save (c) copy (d) delete
14. 14.🧩 Is a speaker hardware or software? (a) hardware (b) software
15. 15.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) select (d) delete
16. 16.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) keeps photos for years (c) is the working memory (d) is temporary memory
17. 17.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
18. 18.True or false: a projector is a storage device. (a) False (b) True
19. 19.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) tailors (d) plumbers
20. 20.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) delete (c) save (d) create
21. 21.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) undo (c) save (d) paste
22. 22.💾 How many bytes are there in 1 KB?
23. 23.Which of these is software? (a) a music player app (b) a hard disk (c) a monitor (d) a printer
24. 24.True or false: a monitor is software. (a) False (b) True
25. 25.💾 How many MB are there in 2 GB?
26. 26.🔍 Which is the odd one out? (a) mouse (b) scanner (c) microphone (d) projector
27. 27.💾 How many bytes are there in 2 KB?
28. 28.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
29. 29.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) wires (d) buttons
30. 30.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+V (d) Ctrl+P
31. 31.True or false: RAM keeps photos for years. (a) False (b) True
32. 32.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+X (d) Ctrl+A
33. 33.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
34. 34.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Cut (c) Redo (d) Delete
35. 35.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
36. 36.What does it mean to save a file? (a) give it a new name (b) make an exact twin (c) put it in another place (d) keep your work for later
37. 37.True or false: Ctrl+A is the shortcut to copy. (a) True (b) False
38. 38.✋ Which can we touch: hardware or software? (a) software (b) hardware
39. 39.💾 Which is smaller: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
40. 40.True or false: to rename a file means to put it in another place. (a) True (b) False

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