Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 463 · 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.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
2. 2.📄 A file name ends in .mp3. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
3. 3.✋ Which can we touch: hardware or software? (a) software (b) hardware
4. 4.True or false: a music player app is hardware. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a typing tutor (b) a word processor (c) a calculator app (d) a printer
6. 6.Which of these is hardware? (a) a typing tutor (b) a hard disk (c) a paint program (d) an operating system
7. 7.🧩 Is a monitor hardware or software? (a) hardware (b) software
8. 8.True or false: a memory card is a storage device. (a) False (b) True
9. 9.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) wires (d) buttons
10. 10.What does it mean to copy a file? (a) put it in another place (b) change its name (c) make an exact twin (d) get rid of it
11. 11.Which of these is software? (a) a mouse (b) a monitor (c) a computer game (d) a speaker
12. 12.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
13. 13.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
14. 14.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) smell (d) name
15. 15.Which of these is hardware? (a) a calculator app (b) an operating system (c) a word processor (d) a mouse
16. 16.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
17. 17.True or false: RAM keeps your saved files. (a) False (b) True
18. 18.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) loses data when off (c) is permanent storage (d) is the working memory
19. 19.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
20. 20.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) copy (c) cut (d) save
21. 21.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) create (c) move (d) delete
22. 22.Which of these is software? (a) a scanner (b) a music player app (c) a pen drive (d) a mouse
23. 23.🧩 Is a music player app hardware or software? (a) hardware (b) software
24. 24.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
25. 25.Which file ending is a picture? (a) .txt (b) .mp4 (c) .gif (d) .mp3
26. 26.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Delete (d) Undo
27. 27.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
28. 28.▌ What is the blinking line that shows where you will type? (a) the icon (b) the toolbar (c) the folder (d) the cursor
29. 29.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
30. 30.💾 How many bits are there in 2 bytes?
31. 31.📁 Which word means to “keep your work for later” (for a file or folder)? (a) move (b) create (c) open (d) save
32. 32.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
33. 33.True or false: a typing tutor is hardware. (a) True (b) False
34. 34.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) programmers (d) farmers
35. 35.🔍 Which is the odd one out? (a) scanner (b) microphone (c) keyboard (d) solid-state drive
36. 36.🔍 Which is the odd one out? (a) hard disk (b) solid-state drive (c) pen drive (d) printer
37. 37.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) cut (c) redo (d) copy
38. 38.💾 How many GB are there in 2 TB?
39. 39.What does it mean to open a file? (a) store your work (b) see what is inside (c) change its name (d) make an exact twin
40. 40.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) undo (c) paste (d) print

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