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computer science 1st pu full notes
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This document contains all the topics needed for the exams and all the lessons in the ncert textbook.This document contains summery of all the lessons
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Some examples from this set of practice questions
1.
What is the use of header files in a c++ program?
Answer: it is a pre processor statement
2.
Types of header files?Name all 7
Answer: 1)stdio.h 2)iostream.h 3)conio.h 4)iomanip.h 5)stdlib.h 6)math.h 7)ctype.h
3.
what is software? Name the types
Answer: a set of instructions that tells the computer to perform an intended task. system software application software
4.
Explain the evolution of computers.
Answer: Abacus(2500BC) Napier\\\\\\\\\\\\\\\'s bones(1614AD) The slide Rule(1633AD) Machine-Pascaline(1642AD) Leibniz Calculator Jacquard loom(1801) Difference and Analytical Engine
5.
Mention the characteristics of a computer
Answer: Speed Storage Capacity Accuracy Diligence Versatile Flexibility Cost Efficient
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