Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 569 · 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 word means to “get rid of it” (for a file or folder)? (a) open (b) save (c) rename (d) delete
2. 2.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
3. 3.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
4. 4.🔍 Which is the odd one out? (a) a webcam (b) a hard disk (c) a monitor (d) an operating system
5. 5.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Copy (d) Delete
6. 6.True or false: to rename a file means to get rid of it. (a) False (b) True
7. 7.What does it mean to open a file? (a) throw it away (b) give it a new name (c) make a brand-new one (d) see what is inside
8. 8.🔍 Which is the odd one out? (a) a calculator app (b) a web browser (c) a printer (d) a paint program
9. 9.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) create (c) copy (d) delete
10. 10.Which of these is true of RAM? (a) loses data when off (b) is permanent storage (c) keeps your saved files (d) keeps photos for years
11. 11.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
12. 12.🔍 Which is the odd one out? (a) a pen drive (b) a web browser (c) a keyboard (d) a hard disk
13. 13.Which of these is true of storage (like a hard disk)? (a) keeps photos for years (b) is the working memory (c) holds apps that are open (d) loses data when off
14. 14.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the folder (d) the icon
15. 15.True or false: Ctrl+S is the shortcut to redo. (a) False (b) True
16. 16.📁 Which word means to “make an exact twin” (for a file or folder)? (a) save (b) delete (c) open (d) copy
17. 17.Which shortcut do we press to redo? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+V
18. 18.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
19. 19.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) holds apps that are open (c) keeps data when off (d) loses data when off
20. 20.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
21. 21.Which of these is hardware? (a) a calculator app (b) an operating system (c) a word processor (d) a monitor
22. 22.💾 How many KB are there in 2 MB?
23. 23.🧩 Is a hard disk hardware or software? (a) hardware (b) software
24. 24.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
25. 25.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
26. 26.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
27. 27.True or false: a paint program is hardware. (a) True (b) False
28. 28.Which of these is software? (a) a computer game (b) a scanner (c) a hard disk (d) a monitor
29. 29.Which of these is a storage device? (a) scanner (b) solid-state drive (c) projector (d) speaker
30. 30.True or false: a mouse is hardware. (a) True (b) False
31. 31.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) redo (c) copy (d) select all
32. 32.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
33. 33.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
34. 34.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+X (d) Ctrl+A
35. 35.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
36. 36.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Delete (d) Redo
37. 37.💾 How many bits are there in 4 bytes?
38. 38.True or false: RAM loses data when off. (a) True (b) False
39. 39.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) rain storage (d) cloud storage
40. 40.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) move (c) rename (d) create

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