Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 905 · 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.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
2. 2.🧩 Is a scanner hardware or software? (a) hardware (b) software
3. 3.True or false: Ctrl+P is the shortcut to cut. (a) False (b) True
4. 4.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
5. 5.👩‍💻 What do we call people who write software? (a) farmers (b) plumbers (c) tailors (d) programmers
6. 6.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) an input device (c) a storage device
7. 7.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
8. 8.✋ Which can we touch: hardware or software? (a) software (b) hardware
9. 9.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
10. 10.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) copy (c) cut (d) paste
11. 11.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
12. 12.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) create (c) move (d) rename
13. 13.Which of these is hardware? (a) an operating system (b) a word processor (c) a speaker (d) a web browser
14. 14.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
15. 15.True or false: Ctrl+C is the shortcut to select all. (a) False (b) True
16. 16.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) a pen drive (b) a typing tutor (c) a printer (d) a mouse
18. 18.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
19. 19.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps your saved files (c) is temporary memory (d) loses data when off
20. 20.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
21. 21.True or false: RAM keeps data when off. (a) False (b) True
22. 22.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
23. 23.True or false: RAM is the working memory. (a) False (b) True
24. 24.True or false: to save a file means to store your work. (a) True (b) False
25. 25.Which of these is a storage device? (a) mouse (b) pen drive (c) speaker (d) keyboard
26. 26.True or false: to create a file means to make a brand-new one. (a) True (b) False
27. 27.Which of these is software? (a) a music player app (b) a keyboard (c) a mouse (d) a printer
28. 28.📷 A camera keeps its photos on a small ___. (a) memory card (b) keyboard (c) mouse pad (d) speaker
29. 29.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
30. 30.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
31. 31.💾 How many bits are there in 1 byte?
32. 32.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
33. 33.Which of these is software? (a) a pen drive (b) a typing tutor (c) a hard disk (d) a speaker
34. 34.Which of these is hardware? (a) a typing tutor (b) a calculator app (c) a computer game (d) a mouse
35. 35.🧩 Is a music player app hardware or software? (a) software (b) hardware
36. 36.🧩 Is a calculator app hardware or software? (a) hardware (b) software
37. 37.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+X (d) Ctrl+P
38. 38.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
39. 39.What does it mean to save a file? (a) throw it away (b) store your work (c) see what is inside (d) change its name
40. 40.💾 How many bytes are there in 4 KB?

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