Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 695 · 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 bit or 1 byte? (a) 1 byte (b) 1 bit
2. 2.🔍 Which is the odd one out? (a) a monitor (b) a keyboard (c) a paint program (d) a pen drive
3. 3.True or false: a speaker is a storage device. (a) False (b) True
4. 4.Which file ending is a video? (a) .jpg (b) .wav (c) .mp3 (d) .avi
5. 5.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
6. 6.✋ Which can we touch: hardware or software? (a) software (b) hardware
7. 7.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
8. 8.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
9. 9.📄 What does a word processor help us do? (a) fly a kite (b) cook food (c) type and edit text (d) water plants
10. 10.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
11. 11.💾 How many KB are there in 1 MB?
12. 12.💾 How many KB are there in 3 MB?
13. 13.💾 How many GB are there in 2 TB?
14. 14.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a paint program (d) a monitor
15. 15.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps photos for years (c) is the working memory (d) loses data when off
16. 16.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
17. 17.True or false: to move a file means to make an exact twin. (a) True (b) False
18. 18.What does it mean to move a file? (a) make a brand-new one (b) throw it away (c) put it in another place (d) give it a new name
19. 19.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Undo (d) Cut
20. 20.🧩 Is a monitor hardware or software? (a) hardware (b) software
21. 21.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) select all (c) cut (d) copy
22. 22.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
23. 23.🧩 Is a word processor hardware or software? (a) software (b) hardware
24. 24.🔍 Which is the odd one out? (a) a monitor (b) a hard disk (c) a mouse (d) a web browser
25. 25.Which of these is hardware? (a) a calculator app (b) a computer game (c) a music player app (d) a keyboard
26. 26.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a subfolder (d) a big file
27. 27.📁 Which word means to “change its name” (for a file or folder)? (a) open (b) save (c) rename (d) create
28. 28.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
29. 29.🔍 Which is the odd one out? (a) a monitor (b) a webcam (c) a word processor (d) a hard disk
30. 30.🧩 Is a calculator app hardware or software? (a) software (b) hardware
31. 31.What does it mean to delete a file? (a) keep your work for later (b) make a brand-new one (c) get rid of it (d) store your work
32. 32.⚡ Which is faster for the computer to work with? (a) RAM (b) a memory card (c) a printer (d) a pen drive
33. 33.🔍 Which is the odd one out? (a) mouse (b) keyboard (c) microphone (d) hard disk
34. 34.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
35. 35.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) a storage device (c) an input device
36. 36.True or false: RAM keeps your saved files. (a) True (b) False
37. 37.🧰 Is a mouse a storage, input or output device? (a) an output device (b) a storage device (c) an input device
38. 38.🧩 Is an operating system hardware or software? (a) hardware (b) software
39. 39.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps data when off (c) is the working memory (d) loses data when off
40. 40.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets