Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 640 · 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: a web browser is hardware. (a) True (b) False
2. 2.True or false: a monitor is software. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) a typing tutor (b) an operating system (c) a music player app (d) a hard disk
4. 4.💾 How many KB are there in 3 MB?
5. 5.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
6. 6.True or false: a keyboard is an input device. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) keyboard (d) hard disk
8. 8.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
9. 9.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
10. 10.🔍 Which is the odd one out? (a) a monitor (b) a typing tutor (c) a webcam (d) a mouse
11. 11.🔍 Which is the odd one out? (a) a mouse (b) a monitor (c) a keyboard (d) an operating system
12. 12.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the hard disk (c) the memory card (d) RAM
13. 13.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) delete (c) save (d) print
14. 14.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
15. 15.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
16. 16.True or false: a printer is a storage device. (a) False (b) True
17. 17.Which of these is hardware? (a) a paint program (b) a scanner (c) a music player app (d) a computer game
18. 18.True or false: RAM is permanent storage. (a) True (b) False
19. 19.✋ Which can we touch: hardware or software? (a) software (b) hardware
20. 20.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
21. 21.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) memory card (d) monitor
22. 22.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+A (d) Ctrl+X
23. 23.True or false: a webcam is software. (a) False (b) True
24. 24.True or false: to move a file means to give it a new name. (a) False (b) True
25. 25.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) move (c) delete (d) save
26. 26.🧩 Is a computer game hardware or software? (a) software (b) hardware
27. 27.🔍 Which is the odd one out? (a) a mouse (b) a music player app (c) a paint program (d) a typing tutor
28. 28.🧩 Is a music player app hardware or software? (a) hardware (b) software
29. 29.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
30. 30.Which of these is an output device? (a) mouse (b) printer (c) hard disk (d) pen drive
31. 31.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) undo (c) select all (d) copy
32. 32.💾 How many bytes are there in 4 KB?
33. 33.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
34. 34.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
35. 35.📷 A camera keeps its photos on a small ___. (a) speaker (b) mouse pad (c) keyboard (d) memory card
36. 36.Which of these is hardware? (a) an operating system (b) a mouse (c) a word processor (d) a paint program
37. 37.🔍 Which is the odd one out? (a) a scanner (b) a webcam (c) a monitor (d) a calculator app
38. 38.Which shortcut do we press to paste? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+C
39. 39.💾 How many bytes are there in 1 KB?
40. 40.🧩 Is a monitor hardware or software? (a) software (b) hardware

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