Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 70 · 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 shortcut do we press to print? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+A
2. 2.🔍 Which is the odd one out? (a) a hard disk (b) a computer game (c) a scanner (d) a printer
3. 3.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
4. 4.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
5. 5.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
6. 6.💾 How many bytes are there in 3 KB?
7. 7.💾 How many bits are there in 7 bytes?
8. 8.📁 What do we call a folder inside another folder? (a) an icon (b) a subfolder (c) a big file (d) a printer
9. 9.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Delete (d) Copy
10. 10.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
11. 11.True or false: a printer is hardware. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) a music player app (b) a keyboard (c) a hard disk (d) a webcam
13. 13.True or false: Ctrl+A is the shortcut to print. (a) False (b) True
14. 14.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) delete (c) move (d) save
15. 15.💾 How many GB are there in 1 TB?
16. 16.💾 How many bytes are there in 2 KB?
17. 17.✋ Which can we touch: hardware or software? (a) hardware (b) software
18. 18.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
19. 19.True or false: a printer is software. (a) True (b) False
20. 20.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
21. 21.🧩 Is a keyboard hardware or software? (a) software (b) hardware
22. 22.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
23. 23.🧩 Is a mouse hardware or software? (a) hardware (b) software
24. 24.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
25. 25.True or false: to copy a file means to see what is inside. (a) False (b) True
26. 26.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) save (c) paste (d) copy
27. 27.Which of these is software? (a) a keyboard (b) a word processor (c) a scanner (d) a printer
28. 28.🔍 Which is the odd one out? (a) a speaker (b) a printer (c) a paint program (d) a scanner
29. 29.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) redo (c) copy (d) select all
30. 30.True or false: a microphone is an input device. (a) True (b) False
31. 31.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+C
32. 32.What does it mean to rename a file? (a) throw it away (b) make a brand-new one (c) change its name (d) see what is inside
33. 33.📄 A file name ends in .mkv. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
34. 34.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the folder (c) the icon (d) the cursor
35. 35.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
36. 36.Which of these is software? (a) a speaker (b) a pen drive (c) a paint program (d) a printer
37. 37.📁 Which word means to “get rid of it” (for a file or folder)? (a) create (b) rename (c) save (d) delete
38. 38.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
39. 39.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) a storage device (c) an output device
40. 40.True or false: to save a file means to keep your work for later. (a) True (b) False

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