Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 651 · 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+A do? (a) paste (b) cut (c) print (d) select all
2. 2.What does it mean to rename a file? (a) throw it away (b) make an exact twin (c) put it in another place (d) change its name
3. 3.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) cut (c) undo (d) print
4. 4.🔍 Which is the odd one out? (a) a scanner (b) a mouse (c) a speaker (d) a typing tutor
5. 5.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) keeps data when off (d) holds apps that are open
6. 6.💾 How many GB are there in 2 TB?
7. 7.True or false: a typing tutor is software. (a) True (b) False
8. 8.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) rename (c) delete (d) create
9. 9.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) plumbers (d) programmers
10. 10.✋ Which can we touch: hardware or software? (a) hardware (b) software
11. 11.True or false: to move a file means to put it in another place. (a) False (b) True
12. 12.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
13. 13.True or false: a microphone is an output device. (a) True (b) False
14. 14.Which of these is an input device? (a) hard disk (b) pen drive (c) scanner (d) memory card
15. 15.Which file ending is a document? (a) .txt (b) .jpg (c) .png (d) .avi
16. 16.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) name (d) smell
17. 17.🧰 Is a speaker a storage, input or output device? (a) a storage device (b) an output device (c) an input device
18. 18.True or false: Ctrl+Z is the shortcut to paste. (a) False (b) True
19. 19.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
20. 20.🧩 Is a webcam hardware or software? (a) software (b) hardware
21. 21.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+S (d) Ctrl+X
22. 22.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+V (d) Ctrl+A
23. 23.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
24. 24.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+C
25. 25.💾 Which is smaller: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
26. 26.Which of these is an input device? (a) hard disk (b) monitor (c) memory card (d) mouse
27. 27.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) save (c) delete (d) open
28. 28.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
29. 29.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) rename (c) save (d) open
30. 30.Which file ending is a video? (a) .png (b) .txt (c) .pdf (d) .mp4
31. 31.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) RAM (d) a pen drive
32. 32.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
33. 33.💾 How many bytes are there in 1 KB?
34. 34.Which of these is a storage device? (a) speaker (b) mouse (c) monitor (d) hard disk
35. 35.💾 How many bits are there in 7 bytes?
36. 36.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
37. 37.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) create (c) delete (d) save
38. 38.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) print (c) cut (d) select all
39. 39.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
40. 40.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets