Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 907 · 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.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
2. 2.True or false: to save a file means to change its name. (a) True (b) False
3. 3.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+Z
4. 4.True or false: a keyboard is hardware. (a) False (b) True
5. 5.💾 How many bits are there in 5 bytes?
6. 6.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
7. 7.True or false: to move a file means to get rid of it. (a) False (b) True
8. 8.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) select all (c) save (d) undo
9. 9.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) RAM (c) the hard disk (d) the pen drive
10. 10.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
11. 11.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) name (d) taste
12. 12.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
13. 13.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
14. 14.💾 How many GB are there in 2 TB?
15. 15.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) keyboard (c) speaker (d) memory card
16. 16.True or false: a monitor is hardware. (a) False (b) True
17. 17.True or false: a projector is a storage device. (a) False (b) True
18. 18.What does it mean to open a file? (a) throw it away (b) see what is inside (c) change its name (d) put it in another place
19. 19.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) keeps your saved files (d) loses data when off
20. 20.📄 What does a word processor help us do? (a) cook food (b) fly a kite (c) water plants (d) type and edit text
21. 21.💾 How many KB are there in 3 MB?
22. 22.True or false: a hard disk is software. (a) True (b) False
23. 23.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
24. 24.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+X
25. 25.🧩 Is a keyboard hardware or software? (a) hardware (b) software
26. 26.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) copy (c) rename (d) create
27. 27.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
28. 28.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) rename (b) copy (c) move (d) create
29. 29.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) keeps data when off (d) holds apps that are open
30. 30.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
31. 31.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) undo (c) paste (d) cut
32. 32.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
33. 33.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a speaker (d) a folder
34. 34.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+I (d) Ctrl+F
35. 35.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) redo (c) print (d) select all
36. 36.True or false: Ctrl+S is the shortcut to redo. (a) False (b) True
37. 37.Which of these is an input device? (a) monitor (b) hard disk (c) memory card (d) keyboard
38. 38.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) select all (c) print (d) paste
39. 39.💾 How many KB are there in 4 MB?
40. 40.✋ Which can we touch: hardware or software? (a) hardware (b) software

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