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Showing posts from October, 2022

DETAILED ARTICLE ON 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...
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WHAT IS WINDOWS TO GO?

  WHAT IS WINDOWS TO GO?   WINDOWS TO GO IS AN IMPORTANT DEPLOYMENT OPTION IN WINDOWS 8.1 AND ABOVE.   WINDOWS TO GO ASSIST TO DEPLOY THE WINDOWS 8.1 ENTERPRISE TO A SPECIALY PREPARED USB STORAGE DEVICE AND THEN USE THIS USB STORAGE TO START ANY COMPATIBLE COMPUTER.   WHEN A WINDOWS TO GO DEVICE IS STARTED ON A NEW COMPUTER, THE BOOT PROCESS DETECTS THE COMPUTER HARDWARE AND INSTALLS APPROPRIATE DRIVERS.   WHEN THE SAME WINDOWS TO GO TO START A SAME COMPUTER, THEN WINDOWS TO GO STARTS NORMALLY AUTOMATICALLY BY LOADING THE APPROPRIATE DRIVERS.   IT STORES THE HARDWARE CONFIGURATIONS OF MULTIPLE COMPUTERS.   WINDOWS TO GO RESTRICTION   WINDOWS TO GO FUNCTIONS IN A WAY THAT IS VERY SIMILAR TO A TRADITIONAL WINDOWS 8.1 DESKTOP DEPLOYMENTS, BUT WITH THE FOLLOWING RESTRICTIONS: ·          IN THE WINDOWS TO GO DEFAULT SETTING SLEEP AND HIBERNATION IS DISABLED.   THE FUNCTIONALITY CAN BE E...
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REGISTERS AND USES IN COMPUTER WORLD

  REGISTERS AND ITS USES IN COMPUTER WORLD.   “IN THIS LIFE, ALL WE HAVE IS MEMORY! ” THIS EXCLAMATORY SENTENCE IS USED BY MANY FILM MAKERS IN THEIR DIALOG.  SO DOES IT ACTUALLY MEAN SOMETHING TO THEM?  YES IT DEFINITELY MEANS EVERYTHING TO THEM AND US.  THAT’S WHY THEY SHOW THEM IN THEIR CINEMA (MOVIE, FILM WHATEVER YOU SAY).    MEMORIES MEAN EVERYTHING THAT IS STORED IN OUR BRAIN AFTER WE EXPERIENCE IT AND THEN USE IT AS A LESSON FOR LIFE  OR ENTERTAINMENT PURPOSE. HUMANS AS WELL AS ALL LIVING BEINGS DO THAT.  BUT OUR TOPIC IS  “WHAT ARE REGISTERS? WHY DO COMPUTERS NEED THEM?” SO HERE WE BEGIN .   THE DISCRETE ELEMENTS OF INFORMATION IN A DIGITAL COMPUTER MUST HAVE A PHYSICAL EXISTENCE IN SOME INFORMATION STORAGE MEDIUM.  FURTHERMORE, WHEN DISCRETE ELEMENTS  OF INFORMATION ARE REPRESENTED IN BINARY FORM, THE INFORMATION STORAGE MEDIUM MUST CONTAIN BINARY STORAGE ELEME...
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UPGRADE INSTALLATION OF WINDOWS

 UPGRADE INSTALLATION THERE ARE TOTAL THREE TYPES OF INSTALLATION OF WINDOWS 8.1.   NAMELY CLEAN INSTALLATION, UPGRADE INSTALLATION AND MIGRATION.   ALL OF THE THREE ARE IMPORTANT TO LEARN.   BUT IN THIS POST I AM GOING TO TELL YOU SOMETHING ABOUT UPGRADE INSTALLATION WHICH IS A MOST IMPORTANT TYPE OF INSTALLATION.   SO LET US BEGIN   UPGRADE INSTALLATION OF WINDOWS 8.1 REPLACE THE EXISTING VERSION OF WINDOWS OPERATING SYSTEM AND IT ALSO RETAIN THE USER SETTINGS AND APPLICATIONS.     THIS METHOD DIRECTLY UPGRADES COMPUTERS TO WINDOW 8.1 WHICH RUN OLDER VERSION OF WINDOWS OPERATING SYSTEM.   THE WINDOWS 8.1 INSTALLATION PROGRAM RUNS WITH MINIMAL USER INTERACTION, AND IT AUTOMATICALLY RETAINS ALL USER SETTING, DATA HARDWARE DEVICE, SETTINGS APPLICATIONS AND OTHER CONFIGURATION INFORMATION.     WITH THE HELP OF UNATTENDED SET UP ANSWER FILES ADDITIONAL SETTING CAN BE MADE IN THE UPGRADE INSTALLATION.   ALL PREVIOUSLY I...
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PREPARATION OF NO DISPLAY, TROUBLESHOOTING FOR NO DISPLAY

  TROUBLESHOOTING FOR NO DISPLAY FRIENDS TODAY I AM GOING TO TELL YOU ABOUT THE CORRECT STEPS TO BE TAKEN IN ORDER TO REPAIR THE COMPUTER IF THERE IS NO DISPLAY.   MEANS THAT WHEN YOU START THE COMPUTER, THE CPU FAN AND SMPS FAN IS RUNNING ALL LED IS ON BUT THERE IS NO DISPLAY IN THE MONITOR.   STEP 1 à START THE COMPUTER AFTER 30 SECONDS   PRESS NUM-LOCK KEY COUPLE OF TIMES.   IF THE NUM-LOCK LED IS GETTING ON AD OFF,   THEN THE PROBLEM IS WITH THE MONITOR.   IF THE NUM-LOCK LED IS ON OR STEADY ON OR STEADY OFF THEN THE PROBLEM IS WITH THE CPU.   STEP2 à SUPPOSE THE PROBLEM IS WITH THE MONITOR 1)       CHECK THE AC WALL OUTLET (PLUG) AND POWER CODE WITH THE LINE TESTER OR MULTI-METER.   NOW CHECK THE POWER BUTTON IS ON AND THE BRIGHTNESS LEVEL OF THE MONITOR.   2)         IF THERE IS NO POWER   IN THE MONITOR   THEN THE POWER PANEL MIGHT BE FAULTY.   R...
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DIVISION OF OPERATING SYSTEM

  OPERATING SYSTEMS DIVISIONAL FACTS     AN OPERATING SYSTEM IS A SOFTWARE PROGRAM THAT ACTS AS AN INTERFACE BETWEEN THE USER AND THE HARDWARE OF THE COMPUTER.   IT ALSO MANAGES THE COMPONENTS OF THE MACHINE SUCH AS PROCESSOR MANAGEMENT, DISK RESOURCE MANAGEMENT, INPUT OUTPUT FILES, DEVICES ETC.   SOME OF THE OPERATING SYSTEM I AM GOING TO SHOW YOU.   SO LETS GET STARTED USER INTERFACE :   THE USER INTERFACE ALLOW THE USER TO INTERACT WITH THE MACHINE.   THERE ARE TWO TYPES OF USER INTERFACE GIVEN BY THE USER INTERFACE DEVELOPERS.   THEY ARE AS FOLLOWS 1.       CHARACTER LINE USER INTERFACE SUCH AS LINUX REDHAT 2.       GRAPHICAL LINE USER INTERFACE SUCH AS WINDOWS OPERATING SYSTEM IN CHARACTER LINE USER INTERFACE THE USER HAVE TO INTERACT WITH THE COMPUTER BY GIVING COMMANDS THAT’S WHY IT IS ALSO CALLED AS COMMAND LINE INTERFACE. IN GRAPHICAL USER INTERFACE THIS CONTROL IS...
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OPERATING SYSTEM CLASSIFICATION

  OPERATING SYSTEM CLASSIFICATION   AN OPERATING SYSTEM IS PROGRAM THAT ACTS AS AN INTERFACE BETWEEN THE USER AND THE HARDWARE OF THE COMPUTER.  IT ALSO MANAGES THE COMPONENTS OF THE MACHINE SUCH AS PROCESSOR MANAGEMENT, DISK RESOURCE MANAGEMENT, INPUT OUTPUT FILES, DEVICES ETC.   THE OPERATING SYSTEM CAN BE CLASSIFIED ON VARIOUS PARAMETERS. IN THIS SECTION WE WILL LEARN THE CLASSIFICATION OF THE OPERATING SYSTEM BASED ON THE NUMBER OF USER AND THE NUMBER OF TASK PERFORMED BY OPERATING SYSTEM THAT RUN SIMULTANEOUSLY ON THE COMPUTER.   SO LETS BEGIN CLASSIFICATION BASED ON THE NUMBER OF USER   BASED ON THE NUMBER OF PEOPLE ACCESSING THE COMPUTER, THE OPERATING SYSTEM CAN BE CLASSIFIED   NAMELY IN TWO TYPES NAMELY SINGLE USER OR MULTI USER.   AS SHOWN IN LIST BELOW   SINGLE USER :-   IN THIS TYPE OF OPERATING SYSTEM ONLY ONE USERS CAN ACCESS THE RESOURCES OF THE OPERATING SYSTEM AT A TIME.   EXAMPLE OF SIN...
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WINDOWS 8.1 MOBILITY AND SECURITY IMPROVEMENT

  WINDOWS 8.1 MOBILITY AND SECURITY IMPROVEMENTS   FRIENDS I AM GOING TO SAY SOMETHING ABOUT IMPROVEMENTS AND SECURITY IMPROVEMENTS OF WINDOWS 8.1 OVER WINDOWS 8.   SO LET’S GET STARTED.   SO LET’S GET STARTED WITH MOBILITY IMPROVEMENTS   MOBILITY IMPROVEMENTS   VIRTUAL PRIVATE NETWORK:   A NUMBER OF VPN CLIENTS AND THE MICROSOFT VPN CLIENTS ARE SUPPORTED BY THE WINDOWS 8.1.   SO LET’S UNDERSTAND WHAT VPN IS.   VPN IS A TECHNOLOGY TO OR TO SAY A TYPE OF CONNECTION METHOD TO PROVIDE SECURITY AND PRIVACY TO THE USER OF PRIVATE AS WELL AS PUBLIC NETWORKS.   MANY ORGANIZATION AS WELL AS USER WANT THEIR DATA SHOULD BE PROTECTED AND THIS IS WHEN VPN PROVIDES.   MOBILE BROADBAND: THE EMBEDDED WIRELESS RADIO IS SUPPORTED BY THE WINDOWS 8.1WHICH HELPS TO IMPROVE POWER EFFICIENCY AND REDUCES THE SIZE OF SOME DEVICES.   BROADBAND TETHERING:   WINDOWS 8.1 DEVICES CAN BE CHANGED INTO WIFI HOTSPOT.   ...
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LOGIC OF COMPUTERS

LOGIC OF COMPUTER IN PAPER AS WELL AS PRACTICAL USE     WE ALWAYS USE LOGIC IN EVERY DAY MATTERS, SO DO THE MACHINES.   BUT WE WERE TAUGHT BY EXPERIENCES WE COUNT AND THE PEOPLE WE TRUST AND THESE THINGS MATTERS MOST BECAUSE IT WILL HELP IN DARK TIMES.   BUT TO MAKE THE MACHINE UNDERSTAND THE LOGIC IS VERY HEFTY WORK. BUT THIS IS CERTAINLY NOT IMPOSSIBLE.   IN ORDER TO UNDERSTAND LOGIC WE USE INTEGRATED CIRCUITS.   BUT TO DO THIS WE NEED TO DESIGN THE INTEGRATED CIRCUITS ON PAPER.   THIS REQUIRES CERTAIN RULES OF ALGEBRA.   THIS I AM GOING TALK ABOUT THE RULE OF AN ALGEBRA CALLED THE DUALITY PRINCIPAL.   IT STATES THAT EVERY ALGEBRAIC EXPRESSION DEDUCIBLE FROM THE POSTULATES OF BOOLEAN ALGEBRA REMAINS VALID IF THE OPERATORS AND IDENTITY ELEMENTS ARE INTERCHANGED.   IN A TWO VALUE BOOLEAN ALGEBRA, THE IDENTITY ELEMENTS AND THE ELEMENTS OF THE SET B ARE SAME 1 AND 0.   THE DUALITY PRINCIPAL HAS MANY APPLICATIONS.   IF...
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