Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 647 · 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 is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
2. 2.What does it mean to open a file? (a) get rid of it (b) change its name (c) make an exact twin (d) see what is inside
3. 3.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Delete (c) Copy (d) Cut
4. 4.🔍 Which is the odd one out? (a) a calculator app (b) a word processor (c) a webcam (d) a music player app
5. 5.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
6. 6.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
7. 7.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
8. 8.True or false: a music player app is software. (a) True (b) False
9. 9.What does it mean to copy a file? (a) make an exact twin (b) get rid of it (c) store your work (d) see what is inside
10. 10.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Delete (d) Copy
11. 11.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the cursor (d) the toolbar
12. 12.🔍 Which is the odd one out? (a) a computer game (b) a word processor (c) a monitor (d) a music player app
13. 13.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Undo (d) Cut
14. 14.True or false: a hard disk is an output device. (a) False (b) True
15. 15.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+P
16. 16.🧩 Is a paint program hardware or software? (a) hardware (b) software
17. 17.🔍 Which is the odd one out? (a) printer (b) monitor (c) projector (d) mouse
18. 18.Which of these is an input device? (a) monitor (b) microphone (c) pen drive (d) solid-state drive
19. 19.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
20. 20.💾 How many GB are there in 1 TB?
21. 21.What does it mean to move a file? (a) make a brand-new one (b) change its name (c) throw it away (d) put it in another place
22. 22.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
23. 23.🔍 Which is the odd one out? (a) hard disk (b) microphone (c) keyboard (d) scanner
24. 24.Which of these is software? (a) a keyboard (b) a printer (c) a typing tutor (d) a monitor
25. 25.💾 How many bits are there in 9 bytes?
26. 26.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
27. 27.True or false: a typing tutor is software. (a) False (b) True
28. 28.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) save (c) copy (d) print
29. 29.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
30. 30.💾 How many KB are there in 4 MB?
31. 31.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
32. 32.🧩 Is a speaker hardware or software? (a) software (b) hardware
33. 33.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
34. 34.True or false: a computer game is hardware. (a) True (b) False
35. 35.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) copy (c) rename (d) save
36. 36.💾 Which is bigger: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
37. 37.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) instructions (d) wires
38. 38.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an input device (c) an output device
39. 39.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) save (c) copy (d) cut
40. 40.💾 How many MB are there in 2 GB?

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