Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 621 · 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 storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) is temporary memory (d) is permanent storage
2. 2.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the folder (c) the cursor (d) the icon
3. 3.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
4. 4.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) save (c) redo (d) copy
5. 5.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
6. 6.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) keeps your saved files (c) holds apps that are open (d) loses data when off
7. 7.True or false: to copy a file means to make an exact twin. (a) False (b) True
8. 8.True or false: a printer is hardware. (a) True (b) False
9. 9.What does it mean to rename a file? (a) see what is inside (b) give it a new name (c) make an exact twin (d) put it in another place
10. 10.True or false: a scanner is hardware. (a) True (b) False
11. 11.What does it mean to move a file? (a) put it in another place (b) give it a new name (c) make a brand-new one (d) see what is inside
12. 12.True or false: RAM keeps data when off. (a) True (b) False
13. 13.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) select all (c) paste (d) save
14. 14.Which of these is hardware? (a) a music player app (b) a keyboard (c) a calculator app (d) an operating system
15. 15.True or false: an operating system is hardware. (a) True (b) False
16. 16.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) rename (c) delete (d) open
17. 17.Which of these is software? (a) a hard disk (b) a paint program (c) a webcam (d) a speaker
18. 18.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
19. 19.💾 How many bytes are there in 4 KB?
20. 20.🔍 Which is the odd one out? (a) mouse (b) keyboard (c) scanner (d) printer
21. 21.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an output device (c) an input device
22. 22.Which of these is an input device? (a) monitor (b) mouse (c) solid-state drive (d) memory card
23. 23.✋ Which can we touch: hardware or software? (a) software (b) hardware
24. 24.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
25. 25.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
26. 26.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
27. 27.True or false: Ctrl+Y is the shortcut to undo. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) a mouse (b) a scanner (c) a music player app (d) a pen drive
29. 29.What does it mean to delete a file? (a) change its name (b) throw it away (c) make a brand-new one (d) make an exact twin
30. 30.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) select all (c) paste (d) copy
31. 31.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) create (c) copy (d) open
32. 32.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
33. 33.🔍 Which is the odd one out? (a) a web browser (b) a webcam (c) a typing tutor (d) an operating system
34. 34.⚡ Which is faster for the computer to work with? (a) RAM (b) a pen drive (c) a printer (d) a memory card
35. 35.What does it mean to open a file? (a) put it in another place (b) change its name (c) store your work (d) see what is inside
36. 36.🧩 Is a hard disk hardware or software? (a) hardware (b) software
37. 37.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
38. 38.True or false: Ctrl+Z is the shortcut to redo. (a) True (b) False
39. 39.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
40. 40.True or false: a music player app is hardware. (a) True (b) False

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