Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 946 · 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.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
2. 2.True or false: to create a file means to change its name. (a) False (b) True
3. 3.True or false: to create a file means to put it in another place. (a) True (b) False
4. 4.💾 How many MB are there in 1 GB?
5. 5.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) tailors (d) plumbers
6. 6.🧩 Is a keyboard hardware or software? (a) hardware (b) software
7. 7.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
8. 8.Which of these is hardware? (a) a paint program (b) a printer (c) a computer game (d) a typing tutor
9. 9.🧩 Is a monitor hardware or software? (a) hardware (b) software
10. 10.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+X (d) Ctrl+S
11. 11.💾 How many KB are there in 1 MB?
12. 12.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
13. 13.What does it mean to move a file? (a) store your work (b) see what is inside (c) put it in another place (d) make an exact twin
14. 14.True or false: Ctrl+S is the shortcut to undo. (a) False (b) True
15. 15.Which of these is hardware? (a) a calculator app (b) a computer game (c) a music player app (d) a webcam
16. 16.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
17. 17.Which file ending is a document? (a) .mp3 (b) .jpg (c) .avi (d) .txt
18. 18.💾 How many GB are there in 1 TB?
19. 19.Which file ending is a video? (a) .jpg (b) .wav (c) .gif (d) .avi
20. 20.True or false: to delete a file means to get rid of it. (a) False (b) True
21. 21.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Undo (c) Delete (d) Backspace
22. 22.📷 A camera keeps its photos on a small ___. (a) keyboard (b) memory card (c) speaker (d) mouse pad
23. 23.🧩 Is a scanner hardware or software? (a) software (b) hardware
24. 24.Which of these is software? (a) a printer (b) a monitor (c) a paint program (d) a pen drive
25. 25.Which of these is true of RAM? (a) is the working memory (b) keeps your saved files (c) is permanent storage (d) keeps photos for years
26. 26.📄 What does a word processor help us do? (a) cook food (b) water plants (c) type and edit text (d) fly a kite
27. 27.True or false: a calculator app is hardware. (a) True (b) False
28. 28.True or false: RAM is permanent storage. (a) False (b) True
29. 29.True or false: a solid-state drive is an input device. (a) True (b) False
30. 30.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a pixel (d) a mouse
31. 31.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
32. 32.Which of these is hardware? (a) a paint program (b) a mouse (c) a web browser (d) a word processor
33. 33.True or false: a hard disk is software. (a) True (b) False
34. 34.Which of these is hardware? (a) a calculator app (b) a web browser (c) a speaker (d) an operating system
35. 35.True or false: to rename a file means to get rid of it. (a) False (b) True
36. 36.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
37. 37.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) save (c) paste (d) copy
38. 38.🔍 Which is the odd one out? (a) an operating system (b) a word processor (c) a calculator app (d) a monitor
39. 39.🧩 Is a music player app hardware or software? (a) software (b) hardware
40. 40.🔍 Which is the odd one out? (a) keyboard (b) scanner (c) microphone (d) printer

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