Introduction to Computers Part 4

Chap. 1 : Unit 1: Introduction to Computers: Part 4

प्रायमरी स्टोरेज रॅम (RAM) च्या स्वरुपात उपलब्ध असते. त्याला सी लॅंग्वेज शिकताना आपण कायम मेमरी असे संक्षिप्त स्वरुपात ओळखणार आहोत. रॅम वरील रहाणारा DATA तात्पुरता म्हणजेच टेंपररी असतॊ.

Primary storage is provided by making provision of RAM…. Here onwards In C I will be referring RAM as a memory… Data on the RAM is temporary and volatile…

When we start the computer, which is called as booting a computer…. operating system along with necessary applications is loaded onto the RAM.

Initially operating system needs to be loaded onto the RAM….

Important task of taking part of this operating system is handled by start up routines available on the ROM

Then the operating system is loaded onto the RAM

Operating system then loads device drivers which are necessary for running various devices attached to computer…

In the end, necessary applications are loaded and desktop is provided for the end user

RAM acts as a working space for running various applications available in the computer system. So while working programmer usually deals with memory. Secondary storage is permanent and available in the form of hard disk.

So when you open C compiler we work on the memory i.e. RAM and this fact should be understood by programmer.  So whenever you open C Compiler, to type the program, to run the program, operating system usually provides, a data segment and a code segment are given to the user

So whatever data you input and whatever output you get….you play only on this temporarily borrowed space….Only Exception is file handling where input and output have got connection along with secondary storage devices like disks….but it would be our last chapter….Till then we will be dealing only along with memory i.e. RAM


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