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CBSE Pre Board Class 12 2017 : Computer Science (Army Public School)

10 pages, 27 questions, 6 questions with responses, 6 total responses,    2    0
Somnath PaulChoudhury
St. Mary's ICSE School, Koparkhairane, Navi Mumbai
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Army Public School Bengdubi Pre Board Examination 2016-17 Class XII Science Sub: Computer Science Time 3 hours Max Marks 70 General Instructions: i). All Questions are compulsory, programming language is C++. ii). 15 minutes time has been allotted to read this question paper. ------------------------------------------------------------------------------------------------------------------------------------1. [1+1+2+2+2+2+2=12] a. Why function prototypes are required? b. Observe the following code and write the name(s) of the header file(s), which will be essentially required to run it in a C++ compiler: int num; cin>>num; char string[50]; itoa(num, string, 10); cout<<setw(20)<<num<<" "<<setw(30)<<string; cout<<num<<" "<<string; c. Observe the following C++ code carefully and rewrite the same after removing all syntax error(s) present in the code. Ensure that you underline each correction in the code. #include<iostream.h> #include<string.h> void strfunc(char str) { strcopy(str,"Computer Science"); cout<<str<<endl; } void main { char *str='CS 083'; strfunc[str]; cout<<str; } d. Find the output if following C++ sequence is run in compiler

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