Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 18 · 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+S do? (a) print (b) copy (c) redo (d) save
2. 2.True or false: RAM holds apps that are open. (a) False (b) True
3. 3.True or false: to rename a file means to give it a new name. (a) False (b) True
4. 4.🧩 Is a speaker hardware or software? (a) software (b) hardware
5. 5.True or false: Ctrl+Z is the shortcut to copy. (a) True (b) False
6. 6.What does it mean to move a file? (a) change its name (b) get rid of it (c) put it in another place (d) throw it away
7. 7.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
8. 8.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
9. 9.📁 Which word means to “make an exact twin” (for a file or folder)? (a) save (b) create (c) copy (d) rename
10. 10.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) weight (d) name
11. 11.Which of these is software? (a) a pen drive (b) a scanner (c) a keyboard (d) a word processor
12. 12.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) rename (c) save (d) create
13. 13.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
14. 14.True or false: Ctrl+C is the shortcut to print. (a) True (b) False
15. 15.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
16. 16.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) copy (c) cut (d) undo
17. 17.True or false: to save a file means to get rid of it. (a) False (b) True
18. 18.Which of these is an input device? (a) hard disk (b) scanner (c) solid-state drive (d) monitor
19. 19.🔍 Which is the odd one out? (a) microphone (b) monitor (c) scanner (d) mouse
20. 20.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
21. 21.Which of these is hardware? (a) a word processor (b) an operating system (c) a typing tutor (d) a monitor
22. 22.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
23. 23.Which of these is an input device? (a) speaker (b) keyboard (c) solid-state drive (d) pen drive
24. 24.What does it mean to rename a file? (a) throw it away (b) keep your work for later (c) store your work (d) change its name
25. 25.💾 How many bytes are there in 2 KB?
26. 26.🔍 Which is the odd one out? (a) a scanner (b) a printer (c) a typing tutor (d) a speaker
27. 27.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+I (d) Ctrl+F
28. 28.True or false: Ctrl+S is the shortcut to cut. (a) False (b) True
29. 29.True or false: a monitor is hardware. (a) True (b) False
30. 30.💾 How many bits are there in 8 bytes?
31. 31.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
32. 32.🔍 Which is the odd one out? (a) a paint program (b) a web browser (c) a printer (d) a calculator app
33. 33.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
34. 34.Which of these is hardware? (a) a web browser (b) a computer game (c) a mouse (d) a calculator app
35. 35.🧩 Is a keyboard hardware or software? (a) hardware (b) software
36. 36.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
37. 37.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) type and edit text (d) cook food
38. 38.True or false: a computer game is software. (a) False (b) True
39. 39.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a mouse (d) a folder
40. 40.True or false: storage (like a hard disk) loses data when off. (a) True (b) False

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