Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 408 · 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 scanner is a storage device. (a) True (b) False
2. 2.True or false: a pen drive is hardware. (a) False (b) True
3. 3.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) delete (c) select (d) save
4. 4.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
5. 5.True or false: RAM holds apps that are open. (a) True (b) False
6. 6.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
7. 7.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) keeps data when off (d) holds apps that are open
8. 8.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
9. 9.✋ Which can we touch: hardware or software? (a) hardware (b) software
10. 10.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
11. 11.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) redo (c) copy (d) paste
12. 12.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
13. 13.What does it mean to delete a file? (a) keep your work for later (b) give it a new name (c) store your work (d) get rid of it
14. 14.Which of these is an input device? (a) projector (b) keyboard (c) speaker (d) solid-state drive
15. 15.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
16. 16.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
17. 17.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) bit (d) GB
18. 18.💾 How many bits are there in 2 bytes?
19. 19.Which of these is software? (a) a web browser (b) a hard disk (c) a speaker (d) a keyboard
20. 20.True or false: to delete a file means to change its name. (a) False (b) True
21. 21.True or false: RAM loses data when off. (a) True (b) False
22. 22.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
23. 23.💾 How many bytes are there in 1 KB?
24. 24.🧩 Is a scanner hardware or software? (a) hardware (b) software
25. 25.Which of these is a storage device? (a) monitor (b) mouse (c) keyboard (d) hard disk
26. 26.True or false: a calculator app is hardware. (a) False (b) True
27. 27.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+C (d) Ctrl+P
28. 28.True or false: a monitor is software. (a) True (b) False
29. 29.Which of these is an input device? (a) hard disk (b) projector (c) microphone (d) monitor
30. 30.💾 How many GB are there in 1 TB?
31. 31.🧩 Is a keyboard hardware or software? (a) software (b) hardware
32. 32.True or false: an operating system is hardware. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) monitor (b) printer (c) hard disk (d) projector
34. 34.Which of these is software? (a) a keyboard (b) a printer (c) a music player app (d) a monitor
35. 35.Which file ending is a document? (a) .avi (b) .pdf (c) .mp3 (d) .wav
36. 36.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) holds apps that are open (c) keeps data when off (d) is the working memory
37. 37.Which of these is an output device? (a) pen drive (b) printer (c) hard disk (d) scanner
38. 38.⚡ Which is faster for the computer to work with? (a) a printer (b) a pen drive (c) RAM (d) a memory card
39. 39.🔍 Which is the odd one out? (a) memory card (b) speaker (c) hard disk (d) pen drive
40. 40.True or false: a web browser is software. (a) True (b) False

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