ABOUT COMPUTER

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TYPES OF MEMORY

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 COMPUTER memory is bacics two types.First one is Primary memory and another is Secondary memory. Primary Memory:- It is also two types(RAM and ROM). RAM stand for Randam access memory it is                                       volatile in nature and  ROM stand for Read Only Memory and non-volatile in nature Secondary memory (or secondary storage) is the slowest and cheapest form of  memory . It cannot be processed directly by the  CPU .  Secondary memory devices include magnetic disks like  hard drives  and  floppy disks  ;  optical disks  such as  CDs  and  CDROMs  ; and magnetic  tapes , which were the first forms of secondary memory.
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DATA AND TYPES OF DATA

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Data  is any set of CHARACTERS  that is gathered and translated for some purpose, usually analysis. If data is not put into context, it doesn't do anything to a human or computer. There are multiple types of data. Some of the more common types of data include the following:   I) TEXT (Alphabet, Number, And Special Character)  II) AUDIO III) VIDEO IV) PICTURE V) ANIMATION In a computer's storage, data is a series of bits  (binary digits)  that have the value one or zero. Data is processed by the CPU , which uses logical  operations to produce new data (OUTPUT)  from source data (INPUT ).                                      BIT                           BINARY DIGITS   * 1 BIT=I BINARY DIGIT   * 4 BIT = 1 NIBBLE   * 8 BIT =1 BYTE   * 1024 BYTE= 1 KILOBYTE (...
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Software and Types of software

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* Software :- A set of program which is used to enable to run hardware. Without software hardware can not run. There are two types of software:-   i) System Software  ii) Application Software  i) System Software :- It is type of computer program which is designed to run computer's hardware and applications.   Ex. :- DOS, UNIX, WINDOWS etc.  ii) Application Software:- It is a program and group of programs designed for end user. Ex. :- A web browser, media player, a file viewer etc.
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