Chhath Puja 2023

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bit manipulation

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1.find decimal to binary without using any data structure. import java.io.*; import java.util.*; class GFG {      static String fun(int a)      {              if(a==0)              {                  return "0";             }             String st="";             while(a>0)             {                 String temp= (a & 1)==1 ? "1":  "0";                 st=temp + st...
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Operating System for cse

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1. New: Newly Created Process (or) being created process. 2. Ready: After creation Process moves to Ready state, i.e.,          process is ready for execution. 3. Run: Currently running process in CPU (only one process at        a time can be under execution in a single processor). 4. Wait (or Block): When process request for I/O request. 5. Complete (or Terminated): Process Completed its execution. 6. Suspended Ready: When ready queue becomes full, some processes                    are moved to suspend ready state 7. Suspended Block: When waiting queue becomes full. Note: User-Level Threads User-level threads implement in user-level libraries, rather than via systems calls, so thread switching does not need to call operating system and to cause interrupt to the kernel. In fact, the kernel knows noth...
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java for interview

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Java has 8 primitive data types : byte , boolean , char , double, short , int , long , float , Scanner Yesterday, we discussed Scanner's next , nextLine , hasNext , and hasNextLine methods Additive Operator The + operator is used for mathematical addition and String concatenation (i.e.: combining two Strings into one new String). If you add the contents of two variables together (e.g.: a + b ),….. System.out.println(a + b); c++ // eat whitespace getline(cin >> ws, s2); #include <iostream> #include <iomanip> using namespace std; int main(int argc, char *argv[]) {   double pi = 3.14159;       // Let's say we wanted to scale this to 2 decimal places:   cout << fixed << setprecision(2) << pi << endl;   printf("%.2f", pi); } which produces this output: 3.14 3.14 This is a common problem, and it happens because the nextInt method doesn't ...
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