Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 457 · 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 the odd one out? (a) a monitor (b) a speaker (c) a printer (d) a calculator app
2. 2.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+I (d) Ctrl+F
3. 3.True or false: to open a file means to store your work. (a) True (b) False
4. 4.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
5. 5.🧰 Is a memory card a storage, input or output device? (a) an input device (b) an output device (c) a storage device
6. 6.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
7. 7.True or false: Ctrl+S is the shortcut to copy. (a) True (b) False
8. 8.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
9. 9.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+V (d) Ctrl+Z
10. 10.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
11. 11.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) cut (c) copy (d) paste
12. 12.💾 How many GB are there in 1 TB?
13. 13.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) name (d) weight
14. 14.What does it mean to rename a file? (a) throw it away (b) get rid of it (c) keep your work for later (d) give it a new name
15. 15.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) select (c) delete (d) print
16. 16.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
17. 17.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
18. 18.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
19. 19.💾 How many bytes are there in 4 KB?
20. 20.🔍 Which is the odd one out? (a) keyboard (b) microphone (c) mouse (d) printer
21. 21.True or false: a hard disk is software. (a) False (b) True
22. 22.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
23. 23.Which of these is software? (a) a paint program (b) a webcam (c) a hard disk (d) a keyboard
24. 24.📁 Which word means to “keep your work for later” (for a file or folder)? (a) rename (b) copy (c) save (d) delete
25. 25.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
26. 26.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
27. 27.💾 How many MB are there in 2 GB?
28. 28.💾 How many bits are there in 11 bytes?
29. 29.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
30. 30.What does it mean to copy a file? (a) change its name (b) get rid of it (c) make an exact twin (d) throw it away
31. 31.True or false: Ctrl+A is the shortcut to paste. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a typing tutor (b) an operating system (c) a keyboard (d) a web browser
33. 33.Which of these is hardware? (a) a calculator app (b) a scanner (c) a word processor (d) a computer game
34. 34.True or false: RAM is permanent storage. (a) True (b) False
35. 35.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) a storage device (c) an output device
36. 36.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) plumbers (d) tailors
37. 37.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
38. 38.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
39. 39.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+P
40. 40.Which of these is a storage device? (a) speaker (b) projector (c) scanner (d) hard disk

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