Category Archives: COMPUTING

WHICH PROGRAMMING LANGUAGE SHOULD I LEARN FIRST?

Dear Lifehacker, With all the buzz about learning to code, I’ve decided to give it a try. The problem is, I’m not sure where to start. What’s the best programming language for a beginner like me? Signed, Could-Be Coder Dear … Continue reading

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B-TREE

B-TREE DATA STRUCTURE!! B-tree From Wikipedia, the free encyclopedia Not to be confused with Binary tree. B-tree Type Tree Invented 1972 Invented by Rudolf Bayer, Edward M. McCreight Time complexity in big O notation Average Worst case Space O(n) O(n) … Continue reading

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KERNEL

Kernel (operating system) A kernel connects the application software to the hardware of a computer In computing, the kernel is a computer program that managesI/O (input/output) requests from software, and translates them into data processing instructions for the central processing … Continue reading

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POSIX

POSIX Not to be confused with Unix, Unix-like, or Linux. POSIX (/ˈpɒzɪks/ poz-iks), an acronym for Portable Operating System Interface,[1] is a family ofstandards specified by the IEEE Computer Society for maintaining compatibility between operating systems. POSIX defines the application … Continue reading

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PROCESS

Process (computing) In computing, a process is aninstance of a computer programthat is being executed. It contains the program code and its current activity. Depending on theoperating system (OS), a process may be made up of multiple threads of execution … Continue reading

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PARENT PROCESS

In computing, a parent process is a process that has created one or more child processes. Contents  [hide]  1 Unix 2 Zombie processes 3 Orphan processes 4 Linux kernel 5 References Unix[edit] In the Unix operating system, every process except … Continue reading

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CHILD PROCESS

Child process A child process in computing is a process created by another process (the parent process). This technique pertains to multitasking operating systems. There are two major procedures for creating a child process: the fork system call (preferred in … Continue reading

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