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Tag Archives: system-programming

Fork System Call: The fork system call is used for creating a new process, which is called the child process, which runs concurrently with the… Read More
8051 microcontroller is a 40 pin Dual Inline Package (DIP). These 40 pins serve different functions like read, write, I/O operations, interrupts etc. 8051 has… Read More
Pipes: Unix system uses pipes, to establish inter process communication. A pipe provides an unidirectional flow of data. A pipe is created using the pipe()… Read More
This article is about a decoding technique using the 74139, a 2-to-4 decoder. The above mentioned device has two 2-to-4 decoders inside, one is used… Read More
In handshake mode, when both the ports A and B are configured, port A uses the lower three signals of port C(i.e, PC0, PC1, PC2)… Read More
The 8085 Microprocessor has Serial Input/Output lines consisting of two pins as follows: 1. Serial Output Data (SOD) 2. Serial Input Data (SID) They both… Read More
Problem: We are given a 16 bit decimal number we have to print the number in Hexadecimal format. Examples: Input: d1 = 999 Output: 3E7… Read More
Problem: We are given two decimal numbers we have to find the GCD of two numbers and print the GCD in decimal format.Refer for finding… Read More
Problem: We are given a 16 bit decimal number we have to print the number in octal format. Examples: Input: d1 = 16 Output:20 Input:… Read More
Problem: We are given a 16 bit decimal number we have to print the number in binary format Examples:  Input: d1 = 16 Output: 10000… Read More
Lex is a computer program that generates lexical analyzers and was written by Mike Lesk and Eric Schmidt. Lex reads an input stream specifying the… Read More
Problem: Write an 8086 program to check whether a given string is palindrome or not.Examples:   Input String: "abba" Output: String is palindrome Input String: "abbca"… Read More
Problem: Write an assembly level program to print a given string . Examples: Input String: "This is a sample string" Output: This is a sample… Read More
Problem: Given a string we have to reverse the string and print the reversed string.  Examples: Input: String : "This is a sample string" Output:… Read More
Problem: Write an assembly language program in 8085 microprocessor to separate odd and even numbers from the given list of 50 numbers. Store odd nos… Read More

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