Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 925 · 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 of these is an output device? (a) memory card (b) mouse (c) keyboard (d) projector
2. 2.💾 How many MB are there in 2 GB?
3. 3.💾 How many bits are there in 11 bytes?
4. 4.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
5. 5.True or false: a printer is an input device. (a) True (b) False
6. 6.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
7. 7.True or false: a calculator app is software. (a) True (b) False
8. 8.True or false: RAM keeps your saved files. (a) False (b) True
9. 9.True or false: Ctrl+V is the shortcut to cut. (a) True (b) False
10. 10.💾 How many bytes are there in 1 KB?
11. 11.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+S
12. 12.💾 How many bytes are there in 3 KB?
13. 13.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
14. 14.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) memory card (d) microphone
16. 16.What does it mean to move a file? (a) get rid of it (b) see what is inside (c) throw it away (d) put it in another place
17. 17.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) is temporary memory (d) is permanent storage
18. 18.True or false: RAM keeps data when off. (a) True (b) False
19. 19.Which of these is software? (a) a paint program (b) a pen drive (c) a webcam (d) a keyboard
20. 20.🔍 Which is the odd one out? (a) mouse (b) microphone (c) keyboard (d) monitor
21. 21.📁 Which word means to “see what is inside” (for a file or folder)? (a) move (b) create (c) open (d) delete
22. 22.True or false: a mouse is software. (a) False (b) True
23. 23.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
24. 24.🔍 Which is the odd one out? (a) a speaker (b) a music player app (c) a typing tutor (d) a paint program
25. 25.Which of these is an input device? (a) scanner (b) monitor (c) hard disk (d) speaker
26. 26.💾 How many MB are there in 3 GB?
27. 27.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
28. 28.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
29. 29.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
30. 30.📄 What does a word processor help us do? (a) type and edit text (b) water plants (c) fly a kite (d) cook food
31. 31.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a speaker (d) a pixel
32. 32.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the pen drive (c) RAM (d) the hard disk
33. 33.🔍 Which is the odd one out? (a) scanner (b) mouse (c) microphone (d) solid-state drive
34. 34.🧩 Is a web browser hardware or software? (a) software (b) hardware
35. 35.🧩 Is a monitor hardware or software? (a) software (b) hardware
36. 36.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a memory card (d) a pen drive
37. 37.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
38. 38.✋ Which can we touch: hardware or software? (a) hardware (b) software
39. 39.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) plumbers (d) programmers
40. 40.Which of these is software? (a) a monitor (b) a printer (c) a web browser (d) a speaker

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