Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 673 · 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.🧩 Is a scanner hardware or software? (a) software (b) hardware
2. 2.True or false: Ctrl+Y is the shortcut to print. (a) False (b) True
3. 3.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
4. 4.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) select (c) delete (d) save
5. 5.What does it mean to save a file? (a) get rid of it (b) change its name (c) throw it away (d) store your work
6. 6.💾 How many MB are there in 1 GB?
7. 7.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
8. 8.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
9. 9.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
10. 10.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
11. 11.💾 How many bytes are there in 3 KB?
12. 12.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Cut (c) Delete (d) Print
13. 13.True or false: to save a file means to store your work. (a) True (b) False
14. 14.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) type and edit text (d) cook food
15. 15.What does it mean to create a file? (a) make an exact twin (b) keep your work for later (c) change its name (d) make a brand-new one
16. 16.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
17. 17.🔍 Which is the odd one out? (a) a scanner (b) a hard disk (c) a pen drive (d) a typing tutor
18. 18.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
19. 19.💾 How many bits are there in 2 bytes?
20. 20.📷 A camera keeps its photos on a small ___. (a) keyboard (b) speaker (c) mouse pad (d) memory card
21. 21.Which file ending is a picture? (a) .mp3 (b) .avi (c) .mkv (d) .gif
22. 22.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
23. 23.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
24. 24.Which of these is an output device? (a) mouse (b) solid-state drive (c) printer (d) scanner
25. 25.Which of these is software? (a) a keyboard (b) a pen drive (c) a calculator app (d) a mouse
26. 26.💾 How many bits are there in 7 bytes?
27. 27.True or false: a monitor is hardware. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) a web browser (b) a typing tutor (c) a word processor (d) a webcam
29. 29.Which file ending is a video? (a) .mkv (b) .wav (c) .txt (d) .pdf
30. 30.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) delete (b) open (c) create (d) save
31. 31.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) hard disk (d) projector
32. 32.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
33. 33.💾 How many KB are there in 1 MB?
34. 34.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
35. 35.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+C (d) Ctrl+A
36. 36.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
37. 37.🔍 Which is the odd one out? (a) a speaker (b) a word processor (c) a hard disk (d) a printer
38. 38.🔍 Which is the odd one out? (a) microphone (b) scanner (c) mouse (d) hard disk
39. 39.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) save (c) copy (d) redo
40. 40.💾 How many KB are there in 2 MB?

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