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Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 153 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.Which file ending is a sound? (a) .mkv (b) .gif (c) .avi (d) .mp3
  2. 2.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) print (d) redo
  3. 3.🧰 Is a monitor a storage, input or output device? (a) a storage device (b) an output device (c) an input device
  4. 4.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) cut (c) redo (d) undo
  5. 5.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
  6. 6.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
  7. 7.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
  8. 8.True or false: a pen drive is software. (a) True (b) False
  9. 9.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
  10. 10.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
  11. 11.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
  12. 12.Which of these is hardware? (a) a paint program (b) a printer (c) a web browser (d) a computer game
  13. 13.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the hard disk (c) the memory card (d) the pen drive
  14. 14.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) byte (d) GB
  15. 15.🔍 Which is the odd one out? (a) a computer game (b) a typing tutor (c) a music player app (d) a mouse
  16. 16.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+U (c) Ctrl+B (d) Ctrl+I
  17. 17.📁 What do we call a folder inside another folder? (a) a subfolder (b) a printer (c) a big file (d) an icon
  18. 18.Which file ending is a picture? (a) .png (b) .avi (c) .txt (d) .mp3
  19. 19.True or false: a calculator app is software. (a) True (b) False
  20. 20.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
  21. 21.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) rename (c) move (d) create
  22. 22.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+C
  23. 23.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
  24. 24.Which of these is true of RAM? (a) is the working memory (b) is permanent storage (c) keeps data when off (d) keeps your saved files
  25. 25.Which of these is an input device? (a) microphone (b) pen drive (c) solid-state drive (d) monitor
  26. 26.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) tailors (d) plumbers
  27. 27.🧩 Is a hard disk hardware or software? (a) software (b) hardware
  28. 28.💾 How many bits are there in 9 bytes?
  29. 29.💾 How many bytes are there in 2 KB?
  30. 30.Which of these is software? (a) a word processor (b) a keyboard (c) a speaker (d) a scanner
  31. 31.Which of these is an input device? (a) memory card (b) monitor (c) hard disk (d) keyboard
  32. 32.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
  33. 33.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
  34. 34.What does it mean to copy a file? (a) keep your work for later (b) make an exact twin (c) make a brand-new one (d) see what is inside
  35. 35.🔍 Which is the odd one out? (a) keyboard (b) pen drive (c) solid-state drive (d) memory card
  36. 36.True or false: a projector is an output device. (a) True (b) False
  37. 37.What does it mean to rename a file? (a) give it a new name (b) see what is inside (c) store your work (d) keep your work for later
  38. 38.True or false: a keyboard is an input device. (a) False (b) True
  39. 39.True or false: a printer is software. (a) True (b) False
  40. 40.Which shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+A

Answer key

  1. .mp3
  2. select all
  3. an output device
  4. cut
  5. a picture
  6. RAM
  7. 1 byte
  8. False
  9. a folder
  10. 1 GB
  11. 1 byte
  12. a printer
  13. RAM
  14. bit
  15. a mouse
  16. Ctrl+F
  17. a subfolder
  18. .png
  19. True
  20. a video
  21. delete
  22. Ctrl+S
  23. 1 bit
  24. is the working memory
  25. microphone
  26. programmers
  27. hardware
  28. 72
  29. 2048
  30. a word processor
  31. keyboard
  32. 1
  33. True
  34. make an exact twin
  35. keyboard
  36. True
  37. give it a new name
  38. True
  39. False
  40. Ctrl+A

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