Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 643 · 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: Ctrl+V is the shortcut to cut. (a) False (b) True
2. 2.Which of these is a storage device? (a) monitor (b) projector (c) keyboard (d) hard disk
3. 3.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) copy (c) redo (d) select all
4. 4.🧰 Is a mouse a storage, input or output device? (a) a storage device (b) an input device (c) an output device
5. 5.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
6. 6.Which of these is software? (a) a speaker (b) a word processor (c) a keyboard (d) a scanner
7. 7.True or false: a speaker is an output device. (a) False (b) True
8. 8.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
9. 9.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) an icon (d) a subfolder
10. 10.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+I (c) Ctrl+F (d) Ctrl+U
11. 11.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
12. 12.Which of these is software? (a) a webcam (b) a computer game (c) a keyboard (d) a scanner
13. 13.Which of these is software? (a) a keyboard (b) a webcam (c) a scanner (d) a music player app
14. 14.True or false: a hard disk is an output device. (a) False (b) True
15. 15.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
16. 16.🧩 Is a pen drive hardware or software? (a) software (b) hardware
17. 17.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
18. 18.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
19. 19.🔍 Which is the odd one out? (a) a speaker (b) a printer (c) a word processor (d) a mouse
20. 20.💾 How many bits are there in 10 bytes?
21. 21.Which of these is an output device? (a) keyboard (b) hard disk (c) memory card (d) projector
22. 22.📄 What does a word processor help us do? (a) cook food (b) type and edit text (c) fly a kite (d) water plants
23. 23.Which of these is software? (a) a hard disk (b) a typing tutor (c) a mouse (d) a speaker
24. 24.True or false: to create a file means to make a brand-new one. (a) True (b) False
25. 25.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
26. 26.Which file ending is a video? (a) .gif (b) .pdf (c) .png (d) .mkv
27. 27.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
28. 28.Which of these is an input device? (a) printer (b) solid-state drive (c) memory card (d) mouse
29. 29.🧩 Is a mouse hardware or software? (a) hardware (b) software
30. 30.🧰 Is a monitor a storage, input or output device? (a) a storage device (b) an input device (c) an output device
31. 31.Which shortcut do we press to undo? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+S (d) Ctrl+C
32. 32.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
33. 33.Which of these is hardware? (a) a calculator app (b) a web browser (c) a music player app (d) a speaker
34. 34.🔍 Which is the odd one out? (a) a computer game (b) a monitor (c) an operating system (d) a paint program
35. 35.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
36. 36.💾 How many MB are there in 2 GB?
37. 37.True or false: a monitor is hardware. (a) True (b) False
38. 38.True or false: a calculator app is hardware. (a) False (b) True
39. 39.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
40. 40.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) select all (c) save (d) cut

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