Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 682 · 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 computer game is hardware. (a) False (b) True
2. 2.What does it mean to rename a file? (a) see what is inside (b) get rid of it (c) give it a new name (d) throw it away
3. 3.Which of these is software? (a) a paint program (b) a mouse (c) a keyboard (d) a printer
4. 4.What does it mean to save a file? (a) make an exact twin (b) give it a new name (c) keep your work for later (d) throw it away
5. 5.💾 How many bits are there in 6 bytes?
6. 6.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
7. 7.💾 How many KB are there in 3 MB?
8. 8.💾 How many bytes are there in 4 KB?
9. 9.📄 What does a word processor help us do? (a) water plants (b) type and edit text (c) cook food (d) fly a kite
10. 10.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
11. 11.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) copy (c) save (d) paste
12. 12.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) screws (d) wires
13. 13.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
14. 14.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) undo (c) copy (d) save
15. 15.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
16. 16.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) GB (d) KB
17. 17.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) name (d) smell
18. 18.True or false: to rename a file means to make a brand-new one. (a) True (b) False
19. 19.📁 Which word means to “give it a new name” (for a file or folder)? (a) open (b) rename (c) delete (d) create
20. 20.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
21. 21.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+P (d) Ctrl+S
22. 22.💾 How many GB are there in 2 TB?
23. 23.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) is temporary memory (c) holds apps that are open (d) loses data when off
24. 24.Which of these is true of storage (like a hard disk)? (a) is permanent storage (b) is the working memory (c) holds apps that are open (d) is temporary memory
25. 25.True or false: a typing tutor is software. (a) False (b) True
26. 26.True or false: a scanner is hardware. (a) False (b) True
27. 27.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
28. 28.True or false: a monitor is software. (a) True (b) False
29. 29.True or false: Ctrl+V is the shortcut to copy. (a) False (b) True
30. 30.💾 Which is smaller: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
31. 31.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
32. 32.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a big file (d) a printer
33. 33.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
34. 34.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
35. 35.True or false: a keyboard is software. (a) True (b) False
36. 36.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Delete (c) Redo (d) Cut
37. 37.True or false: to create a file means to make an exact twin. (a) True (b) False
38. 38.💾 How many KB are there in 4 MB?
39. 39.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
40. 40.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Undo (d) Delete

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