Which part of the computer is responsible for managing memory allocation for all applications A. Word processor

B. Operating system

C. Web browser

D. Intergrated development environment

I think it’s B but I’m not sure so I want to see if I’m right before answering

Are special combinations of keys that tell a computer to perform a command. keypads multi-keys combinations shortcuts

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Acommon algorithm for converting a decimal number to binary is to repeatedly divide the decimal number by 2 and save the remainder. this division is continued until the result is zero. then, each of the remainders that have been saved are used to construct the binary number.write a recursive java method that implements this algorithm.it will accept a value of int and return a string with the appropriate binary character representation of the decimal number.my code: public class lab16{public string converttobinary(int input){int a; if(input > 0){a = input % 2; return (converttobinary(input / 2) + "" +a); } return ""; } }