Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 835 · 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.True or false: a scanner is an input device. (a) True (b) False
2. 2.🧩 Is a word processor hardware or software? (a) hardware (b) software
3. 3.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
4. 4.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
5. 5.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
6. 6.💾 Which is smaller: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
7. 7.True or false: storage (like a hard disk) keeps data when off. (a) True (b) False
8. 8.🧩 Is a computer game hardware or software? (a) software (b) hardware
9. 9.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) a pen drive (d) RAM
10. 10.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
11. 11.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers
12. 12.✋ Which can we touch: hardware or software? (a) hardware (b) software
13. 13.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+V (d) Ctrl+Z
14. 14.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) smell (d) weight
15. 15.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
16. 16.Which of these is software? (a) a monitor (b) a mouse (c) a scanner (d) a word processor
17. 17.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
18. 18.Which of these is hardware? (a) a paint program (b) a keyboard (c) a computer game (d) a web browser
19. 19.Which of these is software? (a) a pen drive (b) a monitor (c) a scanner (d) a paint program
20. 20.📁 Which word means to “get rid of it” (for a file or folder)? (a) save (b) delete (c) rename (d) open
21. 21.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
22. 22.What does it mean to save a file? (a) make an exact twin (b) keep your work for later (c) make a brand-new one (d) change its name
23. 23.True or false: a calculator app is software. (a) True (b) False
24. 24.💾 How many bytes are there in 1 KB?
25. 25.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
26. 26.What does it mean to delete a file? (a) give it a new name (b) get rid of it (c) keep your work for later (d) see what is inside
27. 27.Which of these is software? (a) a keyboard (b) a printer (c) a scanner (d) a web browser
28. 28.💾 How many KB are there in 1 MB?
29. 29.💾 How many KB are there in 3 MB?
30. 30.What does it mean to rename a file? (a) make a brand-new one (b) get rid of it (c) give it a new name (d) store your work
31. 31.True or false: storage (like a hard disk) keeps your saved files. (a) True (b) False
32. 32.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) box storage (c) paper storage (d) cloud storage
33. 33.🔍 Which is the odd one out? (a) a calculator app (b) a hard disk (c) a paint program (d) a typing tutor
34. 34.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
35. 35.🔍 Which is the odd one out? (a) a scanner (b) a speaker (c) a calculator app (d) a pen drive
36. 36.True or false: RAM is temporary memory. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a monitor (d) a typing tutor
38. 38.True or false: RAM keeps photos for years. (a) False (b) True
39. 39.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
40. 40.True or false: to move a file means to get rid of it. (a) True (b) False

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