Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 373 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) cut (c) paste (d) save
2. 2.True or false: Ctrl+Z is the shortcut to select all. (a) True (b) False
3. 3.True or false: a projector is an output device. (a) False (b) True
4. 4.🧩 Is a webcam hardware or software? (a) hardware (b) software
5. 5.✋ Which can we touch: hardware or software? (a) software (b) hardware
6. 6.📁 Which word means to “give it a new name” (for a file or folder)? (a) open (b) rename (c) create (d) save
7. 7.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
8. 8.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
9. 9.📁 Which word means to “get rid of it” (for a file or folder)? (a) rename (b) create (c) move (d) delete
10. 10.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
11. 11.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the icon (c) the folder (d) the toolbar
12. 12.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) paste (c) select all (d) save
13. 13.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
14. 14.Which of these is hardware? (a) a paint program (b) an operating system (c) a typing tutor (d) a hard disk
15. 15.Which file ending is a video? (a) .png (b) .mkv (c) .jpg (d) .pdf
16. 16.💾 How many KB are there in 1 MB?
17. 17.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a memory card (d) a pen drive
18. 18.🧩 Is a mouse hardware or software? (a) software (b) hardware
19. 19.True or false: Ctrl+Y is the shortcut to print. (a) True (b) False
20. 20.True or false: a music player app is hardware. (a) False (b) True
21. 21.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) delete (c) create (d) open
22. 22.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a speaker (d) a pixel
23. 23.🧩 Is a keyboard hardware or software? (a) hardware (b) software
24. 24.Which of these is hardware? (a) a computer game (b) a mouse (c) a typing tutor (d) a music player app
25. 25.Which of these is an output device? (a) pen drive (b) hard disk (c) printer (d) mouse
26. 26.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
27. 27.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) copy (c) undo (d) print
28. 28.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps your saved files (c) loses data when off (d) is the working memory
29. 29.💾 How many bits are there in 12 bytes?
30. 30.True or false: a typing tutor is hardware. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a printer (b) a music player app (c) a hard disk (d) a keyboard
32. 32.📁 Which word means to “throw it away” (for a file or folder)? (a) delete (b) rename (c) move (d) create
33. 33.Which of these is software? (a) a pen drive (b) a mouse (c) a monitor (d) a calculator app
34. 34.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
35. 35.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+S (c) Ctrl+C (d) Ctrl+X
36. 36.🔍 Which is the odd one out? (a) a keyboard (b) a hard disk (c) a printer (d) a typing tutor
37. 37.🔍 Which is the odd one out? (a) a printer (b) a typing tutor (c) a paint program (d) a calculator app
38. 38.🧩 Is an operating system hardware or software? (a) software (b) hardware
39. 39.Which of these is a storage device? (a) solid-state drive (b) mouse (c) speaker (d) microphone
40. 40.💾 How many bytes are there in 4 KB?

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