Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 631 · 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 GB or 1 MB? (a) 1 MB (b) 1 GB
2. 2.🔍 Which is the odd one out? (a) a monitor (b) a hard disk (c) a webcam (d) a web browser
3. 3.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a word processor (d) a speaker
4. 4.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) print (c) cut (d) select all
5. 5.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Redo (c) Delete (d) Copy
6. 6.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
7. 7.Which of these is hardware? (a) a typing tutor (b) a paint program (c) a scanner (d) a music player app
8. 8.💾 How many MB are there in 3 GB?
9. 9.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+Y
10. 10.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Cut (d) Save
11. 11.🧩 Is a computer game hardware or software? (a) hardware (b) software
12. 12.True or false: a printer is software. (a) True (b) False
13. 13.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
14. 14.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a pixel (c) a mouse (d) a folder
15. 15.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) instructions (d) wires
16. 16.Which of these is hardware? (a) a calculator app (b) a paint program (c) a web browser (d) a hard disk
17. 17.True or false: RAM keeps your saved files. (a) False (b) True
18. 18.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) save (c) copy (d) rename
19. 19.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Delete (c) Backspace (d) Undo
20. 20.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
21. 21.💾 How many KB are there in 3 MB?
22. 22.🔍 Which is the odd one out? (a) a keyboard (b) a scanner (c) a paint program (d) a pen drive
23. 23.📁 Which word means to “make an exact twin” (for a file or folder)? (a) open (b) rename (c) create (d) copy
24. 24.💾 How many MB are there in 2 GB?
25. 25.🧩 Is a word processor hardware or software? (a) hardware (b) software
26. 26.True or false: a pen drive is hardware. (a) True (b) False
27. 27.🏷️ Every file has a ___ so we can find it. (a) name (b) smell (c) weight (d) taste
28. 28.💾 How many GB are there in 2 TB?
29. 29.Which of these is a storage device? (a) monitor (b) projector (c) microphone (d) pen drive
30. 30.📁 Which word means to “keep your work for later” (for a file or folder)? (a) move (b) save (c) open (d) copy
31. 31.🧩 Is an operating system hardware or software? (a) hardware (b) software
32. 32.🔍 Which is the odd one out? (a) a music player app (b) an operating system (c) a calculator app (d) a scanner
33. 33.True or false: to save a file means to put it in another place. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a monitor (b) a web browser (c) a paint program (d) a word processor
35. 35.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
36. 36.True or false: a monitor is a storage device. (a) True (b) False
37. 37.What does it mean to save a file? (a) change its name (b) put it in another place (c) make a brand-new one (d) store your work
38. 38.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
39. 39.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+S (d) Ctrl+X
40. 40.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) create (c) copy (d) open

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