*Carbon dioxide+water (sunlight & chlorophyl)=water+oxygen
*Photo synthesis….. The process by which green plants make their own food is called photo synthesis.Write in copy& learn
Write in copy and learn it

Class 4
subject computer
Answer these questions

  1. What is input device?
  2. What is output device?
    3 which part is called processing device?
  3. Name some hardware parts.
  4. Name 3 softwares.

1) Do these sums in copy

A)43480+32596
B)65432+98765
C)98235+87123
D)659216+95476

2) Write in Roman Numerals:-

23,43,42,19,46,13,28,48,39,29,49,33,22,11,44.

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