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Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 694 · 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.💾 How many bytes are there in 2 KB?
  2. 2.💾 How many bits are there in 10 bytes?
  3. 3.Which file ending is a document? (a) .txt (b) .png (c) .mkv (d) .mp4
  4. 4.True or false: RAM keeps photos for years. (a) True (b) False
  5. 5.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+C
  6. 6.Which file ending is a video? (a) .mp4 (b) .gif (c) .pdf (d) .png
  7. 7.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
  8. 8.True or false: Ctrl+V is the shortcut to save. (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 word means to “make a brand-new one” (for a file or folder)? (a) move (b) delete (c) rename (d) create
  11. 11.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) save (c) print (d) select
  12. 12.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) a subfolder (d) an icon
  13. 13.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) paste (c) print (d) redo
  14. 14.🔍 Which is the odd one out? (a) pen drive (b) speaker (c) solid-state drive (d) hard disk
  15. 15.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
  16. 16.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
  17. 17.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
  18. 18.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) undo (c) cut (d) save
  19. 19.Which of these is true of storage (like a hard disk)? (a) is permanent storage (b) holds apps that are open (c) is temporary memory (d) loses data when off
  20. 20.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
  21. 21.Which file ending is a picture? (a) .mp3 (b) .mkv (c) .gif (d) .mp4
  22. 22.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) save (c) select all (d) undo
  23. 23.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+X (d) Ctrl+Z
  24. 24.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+V
  25. 25.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+S
  26. 26.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
  27. 27.Which of these is hardware? (a) a music player app (b) a calculator app (c) a scanner (d) an operating system
  28. 28.What does it mean to rename a file? (a) make an exact twin (b) change its name (c) get rid of it (d) make a brand-new one
  29. 29.🧩 Is a word processor hardware or software? (a) software (b) hardware
  30. 30.True or false: a pen drive is a storage device. (a) False (b) True
  31. 31.True or false: Ctrl+C is the shortcut to print. (a) False (b) True
  32. 32.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) open (c) move (d) create
  33. 33.💾 How many KB are there in 1 MB?
  34. 34.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) undo (c) cut (d) select all
  35. 35.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) open (c) rename (d) save
  36. 36.🔍 Which is the odd one out? (a) a pen drive (b) a paint program (c) a typing tutor (d) an operating system
  37. 37.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+V (d) Ctrl+P
  38. 38.🔍 Which is the odd one out? (a) projector (b) microphone (c) monitor (d) printer
  39. 39.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
  40. 40.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) open (c) copy (d) delete

Answer key

  1. 2048
  2. 80
  3. .txt
  4. False
  5. Ctrl+C
  6. .mp4
  7. 1 bit
  8. False
  9. a folder
  10. create
  11. select
  12. a subfolder
  13. paste
  14. speaker
  15. 1
  16. 1 bit
  17. bit
  18. save
  19. is permanent storage
  20. 1 KB
  21. .gif
  22. redo
  23. Ctrl+Y
  24. Ctrl+P
  25. Ctrl+Z
  26. a storage device
  27. a scanner
  28. change its name
  29. software
  30. True
  31. False
  32. save
  33. 1024
  34. cut
  35. save
  36. a pen drive
  37. Ctrl+X
  38. microphone
  39. instructions
  40. rename

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