Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 887 · 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.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) redo (c) save (d) undo
2. 2.True or false: a calculator app is hardware. (a) False (b) True
3. 3.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
4. 4.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
5. 5.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
6. 6.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Copy (d) Delete
7. 7.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) KB (d) byte
8. 8.Which of these is hardware? (a) an operating system (b) a printer (c) a paint program (d) a typing tutor
9. 9.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
10. 10.🔍 Which is the odd one out? (a) a hard disk (b) a speaker (c) a word processor (d) a mouse
11. 11.🧩 Is a webcam hardware or software? (a) hardware (b) software
12. 12.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
13. 13.What does it mean to copy a file? (a) make an exact twin (b) keep your work for later (c) store your work (d) put it in another place
14. 14.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+X (c) Ctrl+V (d) Ctrl+P
15. 15.Which of these is hardware? (a) a web browser (b) a word processor (c) a webcam (d) a typing tutor
16. 16.True or false: a keyboard is an output device. (a) True (b) False
17. 17.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) open (c) copy (d) rename
18. 18.Which file ending is a picture? (a) .gif (b) .avi (c) .mp4 (d) .pdf
19. 19.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) wires (d) buttons
20. 20.True or false: RAM is the working memory. (a) False (b) True
21. 21.🧩 Is a monitor hardware or software? (a) software (b) hardware
22. 22.True or false: to move a file means to throw it away. (a) True (b) False
23. 23.Which file ending is a sound? (a) .wav (b) .png (c) .gif (d) .pdf
24. 24.✋ Which can we touch: hardware or software? (a) software (b) hardware
25. 25.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
26. 26.True or false: RAM keeps photos for years. (a) True (b) False
27. 27.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
28. 28.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) redo (c) copy (d) print
29. 29.True or false: an operating system is hardware. (a) True (b) False
30. 30.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
31. 31.True or false: to save a file means to change its name. (a) True (b) False
32. 32.Which of these is software? (a) a word processor (b) a printer (c) a scanner (d) a keyboard
33. 33.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a folder (d) a pixel
34. 34.Which of these is an input device? (a) keyboard (b) memory card (c) hard disk (d) solid-state drive
35. 35.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
36. 36.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers
37. 37.True or false: a solid-state drive is a storage device. (a) True (b) False
38. 38.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
39. 39.True or false: a monitor is software. (a) True (b) False
40. 40.💾 How many bits are there in 8 bytes?

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