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Showing posts with the label INTERNET PROTOCOL

MEMORY IN COMPUTER.

  MEMORY OF COMPUTER: DETAILED EXPLANATION INTRODUCTION MEMORY IN A COMPUTER IS THE MOST ESSENTIAL COMPONENT THAT STORES DATA, INSTRUCTIONS, AND INFORMATION TEMPORARILY OR PERMANENTLY. IT ACTS AS A BRIDGE BETWEEN THE CENTRAL PROCESSING UNIT (CPU) AND THE STORAGE DEVICES, ENSURING SMOOTH DATA PROCESSING AND RETRIEVAL. WITHOUT MEMORY, A COMPUTER CANNOT PERFORM ANY OPERATION. COMPUTER MEMORY IS BROADLY CATEGORIZED BASED ON ACCESS TIME, CAPACITY, COST, AND VOLATILITY . IT DETERMINES THE PERFORMANCE AND EFFICIENCY OF THE ENTIRE SYSTEM. TYPES OF COMPUTER MEMORY COMPUTER MEMORY IS MAINLY DIVIDED INTO PRIMARY MEMORY AND SECONDARY MEMORY , AND ALSO INCLUDES CACHE MEMORY AND VIRTUAL MEMORY AS SPECIAL TYPES. 1. PRIMARY MEMORY (MAIN MEMORY) PRIMARY MEMORY IS DIRECTLY ACCESSIBLE BY THE CPU. IT IS FAST BUT LIMITED IN SIZE AND VOLATILE IN NATURE, MEANING DATA IS LOST WHEN POWER IS TURNED OFF. CHARACTERISTICS: HIGH SPEED LIMITED STORAGE CAPACITY VOLATILE (T...

INTERNET PROTOCOL

INTERNET PROTOCOL   FRIENDS, TODAY I AM GOING TO DISCUSS SOMETHING ABOUT IP ADDRESSING.   IP IS A LOGICAL ADDRESS FULL FORM INTERNET PROTOCOL.   IT PROVIDES LOGICAL ADDRESS TO NETWORKING DEVICES.   THESE ADDRESSES ARE USED TO DEFINE SOURCE AND DESTINATION OF DATA PACKETS   IP HAS TWO VERSIONS 1.        IP VERSION 4 2.        IP VERSION 6   IP VERSION 4   IT IS 32 BIT ADDRESS WRITTEN IN DECIMAL NUMBER   FORMAT   192.168.1.1 THE NUMBERS IN THE DIGITS LIKE 192.68.1.1 HERE EVERY NUMBER BEFORE THE DOT IS AN OCTET. HERE IT IS SHOWN THAT EACH DIGIT IS PRECEDED BY DOT IS AN NUMBER BELONGING TO AN OCTET LIKE FIRST OCTET, SECOND OCTET , THIRD OCTET AND FOURTH OCTET.   EACH OCTET IS AN NUMBER IN BINARY FORM WRITTEN IN 2^8=256 BINARY FORM HERE THE DIGIT SHOWS THAT A VARIABLE IS IN THE BY POWER OF 2, HERE I WANT TO SAY THAT AS COMPUTER UNDERSTANDS BINARY DIGIT IN WHICH ...