Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 627 · 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+Z do? (a) redo (b) paste (c) select all (d) undo
2. 2.What does it mean to move a file? (a) put it in another place (b) throw it away (c) see what is inside (d) change its name
3. 3.Which of these is an input device? (a) printer (b) projector (c) keyboard (d) memory card
4. 4.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
5. 5.True or false: a pen drive is hardware. (a) True (b) False
6. 6.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) box storage (c) rain storage (d) paper storage
7. 7.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
8. 8.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+X (d) Ctrl+V
9. 9.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+A
10. 10.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+F (c) Ctrl+B (d) Ctrl+I
11. 11.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
12. 12.Which file ending is a video? (a) .gif (b) .wav (c) .png (d) .mp4
13. 13.💾 How many bits are there in 6 bytes?
14. 14.🔍 Which is the odd one out? (a) pen drive (b) microphone (c) hard disk (d) memory card
15. 15.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a subfolder (d) a printer
16. 16.True or false: a paint program is hardware. (a) False (b) True
17. 17.💾 How many bits are there in 7 bytes?
18. 18.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
19. 19.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
20. 20.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) select (d) delete
21. 21.True or false: an operating system is hardware. (a) True (b) False
22. 22.True or false: a typing tutor is hardware. (a) False (b) True
23. 23.Which file ending is a video? (a) .gif (b) .pdf (c) .avi (d) .txt
24. 24.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Delete (d) Cut
25. 25.What does it mean to open a file? (a) make a brand-new one (b) give it a new name (c) put it in another place (d) see what is inside
26. 26.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
27. 27.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
28. 28.💾 How many MB are there in 3 GB?
29. 29.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the hard disk (c) the memory card (d) the pen drive
30. 30.📁 Which word means to “get rid of it” (for a file or folder)? (a) rename (b) open (c) delete (d) save
31. 31.Which of these is a storage device? (a) printer (b) scanner (c) projector (d) solid-state drive
32. 32.📄 A file name ends in .mkv. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
33. 33.True or false: RAM keeps your saved files. (a) False (b) True
34. 34.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) cut (c) select all (d) undo
35. 35.Which of these is a storage device? (a) speaker (b) hard disk (c) mouse (d) scanner
36. 36.True or false: to rename a file means to change its name. (a) True (b) False
37. 37.💾 How many GB are there in 2 TB?
38. 38.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
39. 39.🧩 Is a pen drive hardware or software? (a) hardware (b) software
40. 40.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) taste (d) name

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