Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 285 · 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.🧰 Is a monitor a storage, input or output device? (a) an output device (b) an input device (c) a storage device
2. 2.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
3. 3.True or false: to move a file means to change its name. (a) False (b) True
4. 4.Which shortcut do we press to redo? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+S
5. 5.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
6. 6.🧩 Is a word processor hardware or software? (a) software (b) hardware
7. 7.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
8. 8.True or false: a typing tutor is hardware. (a) False (b) True
9. 9.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
10. 10.True or false: to create a file means to put it in another place. (a) True (b) False
11. 11.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Undo (d) Backspace
12. 12.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
13. 13.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
14. 14.💾 How many KB are there in 1 MB?
15. 15.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
16. 16.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) undo (c) cut (d) paste
17. 17.💾 How many KB are there in 4 MB?
18. 18.💾 How many bytes are there in 1 KB?
19. 19.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
20. 20.🔍 Which is the odd one out? (a) a monitor (b) a printer (c) a webcam (d) a paint program
21. 21.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
22. 22.🔍 Which is the odd one out? (a) a word processor (b) a pen drive (c) a scanner (d) a mouse
23. 23.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the folder (c) the cursor (d) the icon
24. 24.True or false: to delete a file means to make an exact twin. (a) True (b) False
25. 25.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
26. 26.🔍 Which is the odd one out? (a) a scanner (b) an operating system (c) a printer (d) a speaker
27. 27.✋ Which can we touch: hardware or software? (a) software (b) hardware
28. 28.🧩 Is a printer hardware or software? (a) software (b) hardware
29. 29.True or false: a solid-state drive is an input device. (a) False (b) True
30. 30.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+A (d) Ctrl+Z
31. 31.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+I (c) Ctrl+F (d) Ctrl+U
32. 32.True or false: Ctrl+C is the shortcut to cut. (a) True (b) False
33. 33.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
34. 34.True or false: RAM loses data when off. (a) False (b) True
35. 35.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
36. 36.True or false: to delete a file means to get rid of it. (a) True (b) False
37. 37.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) a subfolder (d) an icon
38. 38.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) create (c) move (d) save
39. 39.True or false: a hard disk is a storage device. (a) True (b) False
40. 40.💾 How many bytes are there in 4 KB?

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