Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 29 · 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 bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
2. 2.True or false: a hard disk is software. (a) False (b) True
3. 3.Which file ending is a picture? (a) .avi (b) .jpg (c) .mkv (d) .mp3
4. 4.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
5. 5.💾 How many MB are there in 2 GB?
6. 6.True or false: a paint program is hardware. (a) False (b) True
7. 7.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
8. 8.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
9. 9.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+I (c) Ctrl+F (d) Ctrl+U
10. 10.What does it mean to open a file? (a) make a brand-new one (b) keep your work for later (c) change its name (d) see what is inside
11. 11.True or false: to open a file means to make an exact twin. (a) False (b) True
12. 12.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) select all (c) redo (d) copy
13. 13.✋ Which can we touch: hardware or software? (a) hardware (b) software
14. 14.💾 How many GB are there in 2 TB?
15. 15.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) name (d) weight
16. 16.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
17. 17.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
18. 18.Which of these is a storage device? (a) microphone (b) printer (c) mouse (d) hard disk
19. 19.Which of these is software? (a) a printer (b) a music player app (c) a webcam (d) a mouse
20. 20.What does it mean to create a file? (a) see what is inside (b) give it a new name (c) make a brand-new one (d) get rid of it
21. 21.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
22. 22.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a folder (d) a speaker
23. 23.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Cut (c) Undo (d) Print
24. 24.💾 How many KB are there in 3 MB?
25. 25.Which of these is software? (a) a monitor (b) a pen drive (c) a computer game (d) a mouse
26. 26.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) memory card (c) keyboard (d) speaker
27. 27.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a big file (d) a subfolder
28. 28.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) scanner (d) hard disk
29. 29.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
30. 30.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+V
31. 31.True or false: a scanner is software. (a) False (b) True
32. 32.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
33. 33.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
34. 34.🔍 Which is the odd one out? (a) a computer game (b) a monitor (c) an operating system (d) a paint program
35. 35.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
36. 36.🧩 Is a word processor hardware or software? (a) hardware (b) software
37. 37.📄 What does a word processor help us do? (a) type and edit text (b) fly a kite (c) cook food (d) water plants
38. 38.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
39. 39.True or false: a printer is software. (a) True (b) False
40. 40.True or false: to open a file means to change its name. (a) True (b) False

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