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Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 372 · 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.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
  2. 2.Which of these is hardware? (a) a typing tutor (b) a webcam (c) a calculator app (d) a web browser
  3. 3.True or false: storage (like a hard disk) is the working memory. (a) False (b) True
  4. 4.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Copy (c) Cut (d) Save
  5. 5.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) redo (c) select all (d) paste
  6. 6.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
  7. 7.True or false: a monitor is hardware. (a) False (b) True
  8. 8.💾 How many bits are there in 12 bytes?
  9. 9.Which of these is true of RAM? (a) keeps photos for years (b) is the working memory (c) keeps data when off (d) keeps your saved files
  10. 10.Which file ending is a sound? (a) .mp3 (b) .mp4 (c) .avi (d) .mkv
  11. 11.✋ Which can we touch: hardware or software? (a) hardware (b) software
  12. 12.What does it mean to move a file? (a) make a brand-new one (b) put it in another place (c) give it a new name (d) throw it away
  13. 13.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a pen drive (d) a memory card
  14. 14.Which of these is a storage device? (a) solid-state drive (b) monitor (c) mouse (d) projector
  15. 15.True or false: a monitor is an output device. (a) True (b) False
  16. 16.Which of these is hardware? (a) a typing tutor (b) a music player app (c) a calculator app (d) a keyboard
  17. 17.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
  18. 18.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) RAM (d) the pen drive
  19. 19.True or false: a computer game is hardware. (a) True (b) False
  20. 20.💾 How many GB are there in 2 TB?
  21. 21.🏷️ Every file has a ___ so we can find it. (a) name (b) smell (c) weight (d) taste
  22. 22.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
  23. 23.True or false: a solid-state drive is a storage device. (a) False (b) True
  24. 24.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) move (c) copy (d) open
  25. 25.Which of these is a storage device? (a) projector (b) mouse (c) hard disk (d) keyboard
  26. 26.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) redo (c) paste (d) save
  27. 27.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+C
  28. 28.True or false: to move a file means to see what is inside. (a) False (b) True
  29. 29.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+A (d) Ctrl+V
  30. 30.What does it mean to delete a file? (a) keep your work for later (b) make a brand-new one (c) store your work (d) throw it away
  31. 31.True or false: a music player app is software. (a) False (b) True
  32. 32.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
  33. 33.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
  34. 34.💾 How many bits are there in 3 bytes?
  35. 35.🔍 Which is the odd one out? (a) a word processor (b) a music player app (c) an operating system (d) a hard disk
  36. 36.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) copy (c) cut (d) paste
  37. 37.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
  38. 38.True or false: a speaker is software. (a) True (b) False
  39. 39.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is the working memory (c) loses data when off (d) keeps your saved files
  40. 40.📄 A file name ends in .mp3. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document

Answer key

  1. 1
  2. a webcam
  3. False
  4. Undo
  5. redo
  6. bit
  7. True
  8. 96
  9. is the working memory
  10. .mp3
  11. hardware
  12. put it in another place
  13. RAM
  14. solid-state drive
  15. True
  16. a keyboard
  17. instructions
  18. RAM
  19. False
  20. 2048
  21. name
  22. programmers
  23. True
  24. rename
  25. hard disk
  26. paste
  27. Ctrl+A
  28. False
  29. Ctrl+V
  30. throw it away
  31. True
  32. False
  33. 1 bit
  34. 24
  35. a hard disk
  36. copy
  37. RAM
  38. False
  39. keeps your saved files
  40. a sound

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