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What is computer

Computer for beginners

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  COMPUTER -                         A computer is an electronic device which can process data into information. It is thus, an electronic device designed to accept designed to accept and store data, process them and produce meaningful results; it helps to solve the problems. Main Components Of Computer - 1) Keyboard  (  input device ) 2) Monitor (output device) 3) CPU (Central Processing Unit also known as the brain of the computer) Computer Solve The Problems -                                                    Computer takes input from the user through the keyboard , process it inside the CPU and give the desired output to the monitor.                        INPUT ----------...
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Anatomy OF Computer

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  Anatomy Of Computer -                                           The anatomy of computer are- a)  Hardware -                      The  physical and  the visible components of computer are called  hardware. Keyboard , CPU, monitor is the primary hardware devices to run a computer. (parts of computer hardware) b) Software -                     There are group of  commands and programs, which are visible in nature. Commands vary from software to software. Programs(or software) are executed in the computer after switching on which makes the computer active.                                          ...
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Classification Of Computer

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Classification Of Computer -                                                                                      Depending upon the capabilities and speed of  processing computers can be classified as- 1) Digital Computer -                                                       They are the computers that work on discrete data i.e. directly counting numbers, letters or symbols. These are commonly used for buisness applications. 2) Analog Computer -                                    These type of...
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Different Types Of Software

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Different Types Of Software -                                                                                        Software can be categorized into the following types- 1) System Software -                          System software is a collection of master programs designed to operate computer and its activities. Development of system software is called system programming and this helps in increasing the productivity of various application for operation on a computer. The most important system software is the computer's operating system. Example - MS DOS, UNIX etc. (system software) *System software is also called operating software. 2) Service Software  - ...
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Commands and Program of Computer

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  Commands -                      It is instruction given to the computer for particular task.                (commands of the computer) *We give input or instructions to the computer and  the computer will convert our input or instructions into machine language. Program -                   It is a set of  commands which are executed  together to get a proper result. (programs of computer) *For learning machine language we put or need some set of keywords .   With the help of  programs(set of keywords) we learn a machine language i.e. C, C++, Java etc.  (The ab ove information is authentic as per my knowledge)
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Memory of a computer and its types

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  Memory of a computer -                                          Memory of a computer is the storage place of a computer where computer store data and information. It is divided into two parts- 1) Primary Memory -                               The memory built inside the computer in chip form is called primary memory. It  is a part of the CPU. Instructions has to be stored in the primary memory in order to make it work automatically, though the access time is less and it is measured in megahertz.  This type of memory is very fast but the capacity of this type of memory is limited. There are two types of primary memory. They are- a) RAM and  b)ROM. (RAM, ROM o f  primary memory ) a) RAM(Random Access Memory) -            ...
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Languages of Computer, Low Level Language (Machine Language, Assembly Language), High Level Language

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  Computer Language -                        The languages used to communicate with computer is known as computer language. Computer language can be broadly classified into two ways- 1)Low Level Language(LLL), 2)High Level Language(HLL). 1) Low Level Language -                                     In earlier days computers instruction were passed on to the computer in its own  machine language or assembly language. This language is known as low level language. This required a lot of time and effort.    a) Machine Language -                         The first generation of computer languages were the languages used by technician who design the computer. These are called machine level language. In machine language the instructions are written...
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Units of Computer Memory

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  UNITS OF MEMORY -                                        Units of memory is measured in Byte, Kilobyte etc. The following table will highlight the relationship between them.                             1   Nibble = 4 Bytes                                1   Byte     = 8 Bits                                  1024 Bytes = 1 Kilobyte(KB)                           1024 Kilobytes = 1 Megabyte(MB)               ...
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Information about technology, its awareness, advantages and disadvantages

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  Information Technology -                               Information technology is the new science of collecting, storing and transmitting information. It has been very well realised that information technology is very important for the overall advancement of a country. Awareness Of Information Technology  -                                                    The importance of IT awareness among common people is very essential because it is fully utilized for the development of people belonging to a particular community. This can be done through the following - 1)  Stage Show, 2)  People to people contact,  3)  Audio-visual aids, 4)  Newspapers, 5)  Proper education, 6)  Public meetings, 7)  Conference, meeting, seminars etc 8)  Vis...
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Computer Server

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Computer Server -                       Servers is that service of the computer which request other computers. Another name of server is ' host'. Server is usually powerful with a large memory and hard-disk containing many thousand of documents. We can access server from any computers provided  it  is in LAN. The server is supposed to be a file, print or an application on server. (server) ( The above information is authentic as per my knowledge )
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