Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 367 · 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: to save a file means to keep your work for later. (a) False (b) True
2. 2.Which file ending is a sound? (a) .mp3 (b) .gif (c) .mkv (d) .txt
3. 3.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
4. 4.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) cut (c) undo (d) copy
5. 5.🔍 Which is the odd one out? (a) an operating system (b) a keyboard (c) a word processor (d) a paint program
6. 6.Which of these is software? (a) a calculator app (b) a printer (c) a keyboard (d) a scanner
7. 7.📁 What do we call a folder inside another folder? (a) an icon (b) a subfolder (c) a printer (d) a big file
8. 8.🧩 Is a speaker hardware or software? (a) hardware (b) software
9. 9.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
10. 10.💾 How many bits are there in 4 bytes?
11. 11.Which of these is hardware? (a) a keyboard (b) a paint program (c) a web browser (d) a calculator app
12. 12.Which of these is hardware? (a) a scanner (b) a typing tutor (c) a music player app (d) a calculator app
13. 13.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) monitor (d) pen drive
14. 14.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Undo (d) Delete
15. 15.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+V
16. 16.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
17. 17.True or false: to create a file means to make a brand-new one. (a) False (b) True
18. 18.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
19. 19.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
20. 20.True or false: a speaker is a storage device. (a) True (b) False
21. 21.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
22. 22.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+P
23. 23.💾 How many GB are there in 1 TB?
24. 24.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) weight (d) smell
25. 25.🧩 Is a paint program hardware or software? (a) hardware (b) software
26. 26.💾 How many bytes are there in 1 KB?
27. 27.True or false: a projector is an input device. (a) False (b) True
28. 28.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) save (c) copy (d) delete
29. 29.🔍 Which is the odd one out? (a) hard disk (b) printer (c) solid-state drive (d) pen drive
30. 30.True or false: Ctrl+S is the shortcut to paste. (a) False (b) True
31. 31.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) paste (c) redo (d) copy
32. 32.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
33. 33.💾 How many bits are there in 8 bytes?
34. 34.🔍 Which is the odd one out? (a) a webcam (b) a hard disk (c) an operating system (d) a keyboard
35. 35.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
36. 36.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
37. 37.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
38. 38.True or false: a monitor is an input device. (a) False (b) True
39. 39.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+I (d) Ctrl+F
40. 40.🧰 Is a projector a storage, input or output device? (a) an input device (b) an output device (c) a storage device

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