Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 650 · 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+Z is the shortcut to undo. (a) False (b) True
2. 2.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) redo (c) undo (d) save
3. 3.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a pixel (d) a speaker
4. 4.What does it mean to delete a file? (a) give it a new name (b) make a brand-new one (c) make an exact twin (d) get rid of it
5. 5.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) scanner (d) hard disk
6. 6.Which of these is software? (a) a computer game (b) a printer (c) a webcam (d) a mouse
7. 7.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) save (d) select
8. 8.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) rename (c) move (d) create
9. 9.💾 How many GB are there in 1 TB?
10. 10.Which of these is software? (a) a web browser (b) a monitor (c) a webcam (d) a scanner
11. 11.True or false: a typing tutor is software. (a) False (b) True
12. 12.💾 How many bits are there in 12 bytes?
13. 13.Which of these is true of RAM? (a) is temporary memory (b) keeps photos for years (c) keeps data when off (d) is permanent storage
14. 14.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
15. 15.What does it mean to open a file? (a) get rid of it (b) change its name (c) see what is inside (d) make a brand-new one
16. 16.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) weight (d) smell
17. 17.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) paste (c) save (d) redo
18. 18.True or false: RAM keeps your saved files. (a) False (b) True
19. 19.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
20. 20.True or false: a memory card is a storage device. (a) False (b) True
21. 21.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
22. 22.🧩 Is a hard disk hardware or software? (a) hardware (b) software
23. 23.🔍 Which is the odd one out? (a) a word processor (b) a monitor (c) a computer game (d) a music player app
24. 24.🔍 Which is the odd one out? (a) monitor (b) printer (c) speaker (d) hard disk
25. 25.Which file ending is a picture? (a) .wav (b) .mp4 (c) .jpg (d) .avi
26. 26.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
27. 27.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+F (d) Ctrl+B
28. 28.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
29. 29.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
30. 30.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) print (c) cut (d) save
31. 31.Which of these is software? (a) a mouse (b) an operating system (c) a scanner (d) a speaker
32. 32.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
33. 33.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) copy (c) create (d) delete
34. 34.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
35. 35.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
36. 36.True or false: to save a file means to keep your work for later. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) monitor (b) speaker (c) printer (d) mouse
38. 38.Which of these is a storage device? (a) mouse (b) speaker (c) printer (d) solid-state drive
39. 39.True or false: a monitor is an output device. (a) True (b) False
40. 40.True or false: to delete a file means to put it in another place. (a) True (b) False

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