Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 481 · 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 bigger: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
2. 2.🧩 Is a monitor hardware or software? (a) hardware (b) software
3. 3.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the pen drive (c) RAM (d) the hard disk
4. 4.💾 How many bits are there in 5 bytes?
5. 5.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
6. 6.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps your saved files (c) holds apps that are open (d) is the working memory
7. 7.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+F (d) Ctrl+B
8. 8.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
9. 9.🔍 Which is the odd one out? (a) keyboard (b) scanner (c) hard disk (d) mouse
10. 10.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
11. 11.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) wires (d) screws
12. 12.True or false: a printer is software. (a) True (b) False
13. 13.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
14. 14.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
15. 15.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an input device (c) an output device
16. 16.True or false: a pen drive is a storage device. (a) True (b) False
17. 17.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) select all (c) cut (d) copy
18. 18.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is permanent storage (c) holds apps that are open (d) is the working memory
19. 19.💾 How many KB are there in 2 MB?
20. 20.🔍 Which is the odd one out? (a) projector (b) scanner (c) printer (d) monitor
21. 21.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
22. 22.🧩 Is a webcam hardware or software? (a) hardware (b) software
23. 23.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
24. 24.What does it mean to open a file? (a) change its name (b) see what is inside (c) make an exact twin (d) get rid of it
25. 25.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) a storage device (c) an input device
26. 26.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
27. 27.True or false: to move a file means to put it in another place. (a) False (b) True
28. 28.Which of these is software? (a) a hard disk (b) a pen drive (c) a scanner (d) a music player app
29. 29.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
30. 30.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
31. 31.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) cut (c) save (d) paste
32. 32.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a memory card (d) a printer
33. 33.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) an output device (c) a storage device
34. 34.💾 Which is smaller: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
35. 35.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
36. 36.Which of these is an output device? (a) memory card (b) solid-state drive (c) hard disk (d) speaker
37. 37.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) save (c) print (d) redo
38. 38.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
39. 39.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
40. 40.True or false: storage (like a hard disk) loses data when off. (a) True (b) False

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