Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 449 · 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.🧩 Is a mouse hardware or software? (a) hardware (b) software
2. 2.Which of these is software? (a) a printer (b) a paint program (c) a scanner (d) a mouse
3. 3.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
4. 4.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a mouse (d) a folder
5. 5.💾 How many bits are there in 7 bytes?
6. 6.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
7. 7.Which file ending is a sound? (a) .pdf (b) .jpg (c) .gif (d) .mp3
8. 8.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+Y (d) Ctrl+A
9. 9.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
10. 10.📁 Which word means to “see what is inside” (for a file or folder)? (a) save (b) copy (c) open (d) delete
11. 11.🧩 Is an operating system hardware or software? (a) software (b) hardware
12. 12.💾 How many MB are there in 3 GB?
13. 13.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
14. 14.💾 How many bytes are there in 1 KB?
15. 15.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
16. 16.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) an input device (c) a storage device
17. 17.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
18. 18.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
19. 19.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
20. 20.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
21. 21.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) undo (c) print (d) paste
22. 22.💾 How many KB are there in 1 MB?
23. 23.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
24. 24.True or false: a monitor is software. (a) False (b) True
25. 25.💾 How many bits are there in 3 bytes?
26. 26.💾 How many GB are there in 1 TB?
27. 27.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) print (c) select all (d) save
28. 28.✋ Which can we touch: hardware or software? (a) software (b) hardware
29. 29.True or false: a speaker is an output device. (a) True (b) False
30. 30.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) cut (c) select all (d) redo
31. 31.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+U (d) Ctrl+I
32. 32.Which of these is hardware? (a) a computer game (b) an operating system (c) a calculator app (d) a monitor
33. 33.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) a pen drive (d) RAM
34. 34.🧩 Is a monitor hardware or software? (a) software (b) hardware
35. 35.🧰 Is a speaker a storage, input or output device? (a) an input device (b) an output device (c) a storage device
36. 36.🔍 Which is the odd one out? (a) hard disk (b) memory card (c) pen drive (d) scanner
37. 37.🔍 Which is the odd one out? (a) a pen drive (b) a keyboard (c) a paint program (d) a printer
38. 38.True or false: to save a file means to change its name. (a) False (b) True
39. 39.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
40. 40.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+S

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