Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 612 · 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 file ending is a sound? (a) .mkv (b) .mp3 (c) .txt (d) .mp4
3. 3.What does it mean to create a file? (a) see what is inside (b) put it in another place (c) make a brand-new one (d) make an exact twin
4. 4.True or false: a word processor is hardware. (a) True (b) False
5. 5.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
6. 6.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
7. 7.🧩 Is a scanner hardware or software? (a) software (b) hardware
8. 8.▌ What is the blinking line that shows where you will type? (a) the folder (b) the icon (c) the cursor (d) the toolbar
9. 9.Which file ending is a sound? (a) .mp4 (b) .png (c) .gif (d) .wav
10. 10.💾 How many MB are there in 2 GB?
11. 11.🔍 Which is the odd one out? (a) a typing tutor (b) a printer (c) a mouse (d) a pen drive
12. 12.💾 How many KB are there in 1 MB?
13. 13.🔍 Which is the odd one out? (a) a calculator app (b) a paint program (c) a keyboard (d) a typing tutor
14. 14.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
15. 15.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+F (c) Ctrl+I (d) Ctrl+B
16. 16.🧩 Is a webcam hardware or software? (a) hardware (b) software
17. 17.🔍 Which is the odd one out? (a) monitor (b) printer (c) keyboard (d) projector
18. 18.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
19. 19.True or false: a word processor is software. (a) False (b) True
20. 20.True or false: to open a file means to get rid of it. (a) True (b) False
21. 21.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
22. 22.🔍 Which is the odd one out? (a) a speaker (b) a monitor (c) a web browser (d) a printer
23. 23.🔍 Which is the odd one out? (a) microphone (b) scanner (c) hard disk (d) mouse
24. 24.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
25. 25.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
26. 26.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
27. 27.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) smell (d) taste
28. 28.True or false: to move a file means to put it in another place. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) an operating system (b) a word processor (c) a calculator app (d) a hard disk
30. 30.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a speaker (d) a folder
31. 31.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
32. 32.💾 How many MB are there in 1 GB?
33. 33.📄 What does a word processor help us do? (a) type and edit text (b) water plants (c) fly a kite (d) cook food
34. 34.True or false: Ctrl+V is the shortcut to save. (a) True (b) False
35. 35.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
36. 36.What does it mean to move a file? (a) put it in another place (b) get rid of it (c) make an exact twin (d) keep your work for later
37. 37.🧩 Is a computer game hardware or software? (a) hardware (b) software
38. 38.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) keeps data when off (c) holds apps that are open (d) is temporary memory
39. 39.💾 How many bytes are there in 1 KB?
40. 40.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file

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