Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 486 · 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 file ending is a video? (a) .png (b) .mkv (c) .pdf (d) .wav
2. 2.True or false: a mouse is hardware. (a) False (b) True
3. 3.True or false: Ctrl+A is the shortcut to cut. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a calculator app (b) a pen drive (c) a scanner (d) a keyboard
5. 5.True or false: to open a file means to give it a new name. (a) False (b) True
6. 6.💾 How many GB are there in 1 TB?
7. 7.🔍 Which is the odd one out? (a) a word processor (b) a typing tutor (c) a keyboard (d) a paint program
8. 8.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps your saved files (c) loses data when off (d) is the working memory
9. 9.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
10. 10.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+V (c) Ctrl+S (d) Ctrl+P
11. 11.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
12. 12.Which of these is software? (a) a word processor (b) a pen drive (c) a speaker (d) a monitor
13. 13.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+F (d) Ctrl+B
14. 14.🧩 Is an operating system hardware or software? (a) hardware (b) software
15. 15.True or false: a memory card is an input device. (a) True (b) False
16. 16.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
17. 17.🧩 Is a web browser hardware or software? (a) hardware (b) software
18. 18.What does it mean to create a file? (a) change its name (b) give it a new name (c) make a brand-new one (d) store your work
19. 19.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
20. 20.🔍 Which is the odd one out? (a) monitor (b) memory card (c) speaker (d) projector
21. 21.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
22. 22.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
23. 23.💾 How many MB are there in 3 GB?
24. 24.What does it mean to open a file? (a) see what is inside (b) put it in another place (c) keep your work for later (d) make an exact twin
25. 25.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Cut (c) Undo (d) Delete
26. 26.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
27. 27.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
28. 28.Which of these is hardware? (a) an operating system (b) a word processor (c) a typing tutor (d) a webcam
29. 29.True or false: a speaker is hardware. (a) True (b) False
30. 30.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
31. 31.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) delete (c) create (d) rename
32. 32.Which of these is hardware? (a) a monitor (b) a music player app (c) a web browser (d) a calculator app
33. 33.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
34. 34.💾 How many MB are there in 2 GB?
35. 35.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) copy (c) create (d) save
36. 36.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
37. 37.Which file ending is a video? (a) .avi (b) .jpg (c) .png (d) .gif
38. 38.Which file ending is a sound? (a) .gif (b) .mp3 (c) .mp4 (d) .txt
39. 39.Which of these is an input device? (a) projector (b) solid-state drive (c) pen drive (d) mouse
40. 40.True or false: RAM loses data when off. (a) True (b) False

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