Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 447 · 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.What does it mean to save a file? (a) see what is inside (b) give it a new name (c) store your work (d) change its name
2. 2.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
3. 3.What does it mean to open a file? (a) store your work (b) get rid of it (c) see what is inside (d) make a brand-new one
4. 4.True or false: a solid-state drive is a storage device. (a) False (b) True
5. 5.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
6. 6.True or false: a monitor is a storage device. (a) True (b) False
7. 7.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) copy (c) cut (d) select all
8. 8.Which file ending is a picture? (a) .gif (b) .mp4 (c) .avi (d) .mp3
9. 9.What does it mean to save a file? (a) make an exact twin (b) see what is inside (c) keep your work for later (d) throw it away
10. 10.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Cut (d) Print
11. 11.Which file ending is a document? (a) .wav (b) .txt (c) .mp4 (d) .avi
12. 12.True or false: Ctrl+V is the shortcut to print. (a) True (b) False
13. 13.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
14. 14.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) paste (c) redo (d) select all
15. 15.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
16. 16.True or false: Ctrl+A is the shortcut to copy. (a) True (b) False
17. 17.True or false: a calculator app is hardware. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) a monitor (b) a word processor (c) a calculator app (d) an operating system
19. 19.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) rain storage (c) cloud storage (d) box storage
20. 20.True or false: RAM keeps data when off. (a) True (b) False
21. 21.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
22. 22.💾 How many GB are there in 1 TB?
23. 23.Which of these is hardware? (a) a calculator app (b) a monitor (c) a computer game (d) a typing tutor
24. 24.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) paste (c) undo (d) save
25. 25.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
26. 26.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
27. 27.What does it mean to move a file? (a) throw it away (b) put it in another place (c) keep your work for later (d) change its name
28. 28.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
29. 29.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a speaker (d) a folder
30. 30.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+S (d) Ctrl+V
31. 31.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+P (d) Ctrl+V
32. 32.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
33. 33.✋ Which can we touch: hardware or software? (a) software (b) hardware
34. 34.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) cut (c) print (d) redo
35. 35.Which of these is software? (a) a keyboard (b) a scanner (c) a hard disk (d) a web browser
36. 36.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
37. 37.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) RAM (d) a memory card
38. 38.💾 How many MB are there in 2 GB?
39. 39.🧩 Is a keyboard hardware or software? (a) software (b) hardware
40. 40.Which of these is hardware? (a) a web browser (b) an operating system (c) a hard disk (d) a paint program

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