Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 980 · 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+X do? (a) redo (b) paste (c) print (d) cut
2. 2.🧩 Is a mouse hardware or software? (a) software (b) hardware
3. 3.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
4. 4.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a printer (d) a paint program
5. 5.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
6. 6.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
7. 7.True or false: to rename a file means to give it a new name. (a) True (b) False
8. 8.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
9. 9.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) copy (c) cut (d) redo
10. 10.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) print (c) save (d) select all
11. 11.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) open (c) rename (d) move
12. 12.📄 What does a word processor help us do? (a) water plants (b) cook food (c) type and edit text (d) fly a kite
13. 13.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
14. 14.Which of these is hardware? (a) an operating system (b) a music player app (c) a web browser (d) a webcam
15. 15.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) a speaker (b) a mouse (c) a scanner (d) an operating system
17. 17.💾 How many bits are there in 1 byte?
18. 18.💾 How many MB are there in 1 GB?
19. 19.📁 What do we call a folder inside another folder? (a) a subfolder (b) a big file (c) an icon (d) a printer
20. 20.True or false: RAM is the working memory. (a) True (b) False
21. 21.True or false: to save a file means to store your work. (a) True (b) False
22. 22.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) wires (d) buttons
23. 23.What does it mean to open a file? (a) get rid of it (b) give it a new name (c) see what is inside (d) change its name
24. 24.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) is temporary memory (d) keeps data when off
25. 25.🧩 Is a keyboard hardware or software? (a) software (b) hardware
26. 26.📁 Which word means to “change its name” (for a file or folder)? (a) create (b) delete (c) save (d) rename
27. 27.💾 How many bits are there in 8 bytes?
28. 28.💾 How many bytes are there in 3 KB?
29. 29.⚡ Which is faster for the computer to work with? (a) a memory card (b) a pen drive (c) a printer (d) RAM
30. 30.✋ Which can we touch: hardware or software? (a) software (b) hardware
31. 31.💾 How many bytes are there in 2 KB?
32. 32.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
33. 33.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+V (d) Ctrl+Z
34. 34.True or false: a monitor is hardware. (a) False (b) True
35. 35.True or false: a printer is an output device. (a) False (b) True
36. 36.💾 How many MB are there in 2 GB?
37. 37.💾 How many bytes are there in 1 KB?
38. 38.True or false: to save a file means to keep your work for later. (a) False (b) True
39. 39.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
40. 40.True or false: Ctrl+V is the shortcut to select all. (a) True (b) False

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