Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 374 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) undo (c) cut (d) paste
2. 2.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
3. 3.📷 A camera keeps its photos on a small ___. (a) memory card (b) keyboard (c) mouse pad (d) speaker
4. 4.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
5. 5.True or false: Ctrl+X is the shortcut to copy. (a) False (b) True
6. 6.💾 How many bytes are there in 4 KB?
7. 7.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
8. 8.True or false: a music player app is hardware. (a) False (b) True
9. 9.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
10. 10.🧩 Is a speaker hardware or software? (a) hardware (b) software
11. 11.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
12. 12.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
13. 13.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
14. 14.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
15. 15.🧩 Is a computer game hardware or software? (a) hardware (b) software
16. 16.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
17. 17.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
18. 18.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a pen drive (d) a memory card
19. 19.True or false: a word processor is hardware. (a) False (b) True
20. 20.Which of these is an output device? (a) printer (b) hard disk (c) microphone (d) solid-state drive
21. 21.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a folder (d) a mouse
22. 22.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Print (d) Cut
23. 23.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) memory card (d) monitor
24. 24.True or false: a hard disk is an input device. (a) True (b) False
25. 25.True or false: to create a file means to give it a new name. (a) True (b) False
26. 26.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an input device (c) an output device
27. 27.Which of these is software? (a) a webcam (b) a printer (c) a keyboard (d) a typing tutor
28. 28.True or false: a calculator app is software. (a) False (b) True
29. 29.💾 How many bits are there in 3 bytes?
30. 30.True or false: a memory card is an input device. (a) True (b) False
31. 31.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) box storage (c) rain storage (d) cloud storage
32. 32.Which of these is an output device? (a) keyboard (b) pen drive (c) memory card (d) speaker
33. 33.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) loses data when off (d) keeps your saved files
34. 34.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) cut (c) redo (d) save
35. 35.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+S
36. 36.Which of these is software? (a) a hard disk (b) a speaker (c) a calculator app (d) a scanner
37. 37.Which of these is hardware? (a) a word processor (b) a calculator app (c) a typing tutor (d) a monitor
38. 38.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
39. 39.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+A (c) Ctrl+P (d) Ctrl+Y
40. 40.What does it mean to open a file? (a) see what is inside (b) throw it away (c) give it a new name (d) change its name

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