Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 173 · 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 of these is true of RAM? (a) keeps your saved files (b) keeps photos for years (c) keeps data when off (d) is temporary memory
2. 2.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+C (d) Ctrl+A
3. 3.💾 How many bytes are there in 4 KB?
4. 4.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Undo (c) Backspace (d) Copy
5. 5.💾 How many MB are there in 3 GB?
6. 6.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
7. 7.True or false: to delete a file means to see what is inside. (a) True (b) False
8. 8.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
9. 9.💾 How many GB are there in 2 TB?
10. 10.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) copy (c) print (d) paste
11. 11.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
12. 12.🔍 Which is the odd one out? (a) a printer (b) a pen drive (c) an operating system (d) a scanner
13. 13.What does it mean to rename a file? (a) make a brand-new one (b) keep your work for later (c) change its name (d) throw it away
14. 14.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) open (c) save (d) rename
15. 15.🔍 Which is the odd one out? (a) an operating system (b) a webcam (c) a paint program (d) a calculator app
16. 16.Which of these is hardware? (a) a web browser (b) a paint program (c) a word processor (d) a scanner
17. 17.🧩 Is a mouse hardware or software? (a) software (b) hardware
18. 18.⚡ Which is faster for the computer to work with? (a) RAM (b) a pen drive (c) a memory card (d) a printer
19. 19.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
20. 20.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
21. 21.True or false: RAM keeps photos for years. (a) True (b) False
22. 22.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
23. 23.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) holds apps that are open (d) keeps photos for years
24. 24.🧩 Is a webcam hardware or software? (a) hardware (b) software
25. 25.🔍 Which is the odd one out? (a) scanner (b) hard disk (c) pen drive (d) solid-state drive
26. 26.🧩 Is a calculator app hardware or software? (a) hardware (b) software
27. 27.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
28. 28.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
29. 29.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+A
30. 30.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+V
31. 31.Which of these is hardware? (a) a web browser (b) a music player app (c) a word processor (d) a printer
32. 32.✋ Which can we touch: hardware or software? (a) software (b) hardware
33. 33.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
34. 34.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Undo (d) Cut
35. 35.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
36. 36.🧩 Is a hard disk hardware or software? (a) software (b) hardware
37. 37.Which of these is a storage device? (a) keyboard (b) monitor (c) speaker (d) pen drive
38. 38.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) select all (c) print (d) cut
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.🔍 Which is the odd one out? (a) a paint program (b) a speaker (c) a keyboard (d) a hard disk

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