1. #1
    5522
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    What is a computer?

    Good Evening
    What is a computer?





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  3. #2
    Rahul kuntala
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    Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?
    Hii

    What is a Computer ?

    Simply a computer is an electronic device which takes the input from keyboard(Which actually gives by the user like you and me) and processes it in CPU(Central Processing Unit) and displays it on the monitor.

    That's the best definition I can give being a computer graduate !!!


    Various Major Parts of a Computer are :


    Main Parts Of A Computer

    Processor (CPU) - The part of the computer that handles all processes
    and instructions supplied by memory unit (RAM)

    Memory (RAM) - Random Accessed Memory. The area of the computer that
    holds the instructions (processes) and information system gives it.
    When you turn the computer off, everything in RAM disappears.





    Read Only Memory (ROM) - A chip or disk that holds information that
    cannot be changed. Ex CD-ROM, DVD-ROM

    Disk drive - A mechanical device that you use to transfer information
    back and forth between the computer's memory and a disk.

    Hard disk - A large capacity storage area that offers access to store
    and retrieve information, very slow compare to RAM.

    Monitor - A screen that displays the information in the computer.

    Keyboard - A device used to enter data and issue commands to the
    computer.

    Printer or Scanner - A devices that help to make hard copies o scan
    documents into the computer.

    Mouse - A small, hand-held device used to control the pointer on the
    screen.

    Software - Instructions that tell your computer how to perform a task.
    Software is stored on the disks in program files. Software cannot be
    seen or touched. There are two main kinds of software:
    * application software and
    * system software

    Application software (program) - Software that does specific task,
    such as word processing. (Word, Power Point)

    System software - Software that the computer system or OS operating
    system.

    Operating System (OS) - software that acts as a link between you,
    application software (programs), and hardware. (win7,windows xp,Windows 98, Mac OS 9,
    Linux 7.2)

    Graphical User Interface (GUI) - A phrase that is commonly used to
    describe Microsoft Windows and other OS that use pictures to help you
    communicate with the computer.




  4. #3
    sumith.sujith
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    Re: What is a computer?

    as per your question
    computer is an electronic device which can acess our data as input and give desire result as output.

    many of the people maynot aware with the fullform of computer......... it is,
    COMMONLY ORIENTED MACHINE PREPARED TO USED FOR TECHNOLOGY EDUCATION AND RESEARCH.

  5. #4
    viplobp
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    Re: What is a computer?

    A Computer is an electronic device thats performs mathematical calculations......
    It consist of CPU,Monitor,Keyboard abd mouse.
    Cpu is the centralized processing unit that consist of a Hard-disk,Ram,Processor and connecting cables along with fans.......
    It is used to create and implement various softwares in various electronic devices...

  6. #5
    Harish.A

    Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?
    A Computer is a systamatic device.it can stores many more data compare to any one..the C.P.U is the brain of the computer.............and deskstop shows the all the required data...........comuter means{C.P.U+deskstop+keybord}..key bord is the manually operated.......and deskstop is the visually shows the any data or any pictures oa any one.........and C.P.U is the memory device..............computer discovered by Charless Babbeji...........................bye............. ........................

  7. #6
    nathan
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    Re: What is a computer?

    DEAR FRIEND:




    A COMPTER IS A N ELECTRONIC DEVICE THAT PERFORMS MATHEMATICAL CALCULATIONS.AND IT IS USER INTERFACE

    IT CONSIST OF PARTS
    CPU:CENTRAL PROCESS UNITS

    RAM:RANDOM ACCESS MEMORY

    MOTHER BORD

    HARD DISK

    DVD WRITER AND READER

    MONITOR

    MOUSE

    MICRO PROCESSOR

    FLOPPY DIVER

    ETC.....

    I GIVE U ONE LINK IT FOR ALL INFORMATION ABOUT THE COMPUTER

    http://en.wikipedia.org/wiki/Computer


  8. #7
    prakash1990
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    Re: What is a computer?

    what is a computer
    Acomputer is an electronic device that manipulates information or
    data. it has the ability to store retrieve and process data you can use a computer to type documents send email and browse the internet
    You can also use it to handle spreadsheets, accounting, database management, presentation, games,and more

    watch the video to learn about different types of computer
    http://www.gcflearnfree.org/popups/v...is&w=776&h=584

    Computer consist of two parts

    Hardware is any part of your computer that has a physical structure, such a s the computer monitor or keyboard.

    Software is any set of instructions that tells the hardware what to do .it is what guide the hardware and tells it how to accomplish each task.

    interior_motherboard.jpg
    hardware


    intro_software_example.png

    software


  9. #8
    A.BARATH KUMAR
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    Re: What is a computer?

    Computer is nothing but a electronic device it is used for doing the mathematical algorithm
    it take the input in binary coding and it converts into humans applicable languages

    the main parts int Computer are

    Moniter
    RAM
    Processor
    ROM
    MotherBoard
    Hard Disk
    Mouse
    Keyboard
    SMPS

  10. #9
    pyscho
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    Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?

    Hi friend ,

    A Computer is an electronic device thats performs mathematical calculations.
    It consist of CPU,Monitor,Keyboard ,mouse. etc
    Cpu is the centralized processing unit that consist of a Hard-disk,Ram,Processor and connecting cables along with fans.......
    It is used to create and implement various softwares in various electronic devices...


    Good Luck!!!!!

  11. #10
    sagar R.kachhadiya
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    Re: What is a computer?

    hi,friend
    COMPUTER is the electronic device which takes input from keyboard,processd by CPU and give output by displaying on monitor.It perfoms methamatical calculation.it can understand only binary language.so It takes input in binary coding and displays it into human understanding language.

    Main parts of computer are
    Monitor
    CPU
    Key-board
    mouse
    RAM(random access memory)
    ROM
    motherboard
    Hard-disk
    printer,disk-drive,scanner
    software
    graphical user interface
    operating system etc.

  12. #11
    Rahul k
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    Re: What is a computer?

    There are Lots of Definition of Computers, But in simple world " a machine for performing calculations automatically".

    OR

    Computer is a machine for manipulating data according to a list of instructions.

    OR

    A computer is an electronic machine that takes in data and instructions (input), works with the data (processing) and puts out information (output).

    Computers are made of Hardware and Software, Hardware Includes :

    >> Input devices like the keyboard and mouse
    >> The CPU and memory
    >> Storage devices like hard drives
    >> Output devices like printers and monitors.

    Software Includes : System Software and Application Software.

    Major parts of a personal computer include :

    >> Motherboard,
    >> CPU
    >> Memory or RAM
    >> Hard drive
    >> Video card.

  13. #12
    pabolu manikanta
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    Re: What is a computer?

    Hi friend...
    Computer:
    [COLOR="rgb(255, 140, 0)"]A computer is an electronic device and also a programmable machine designed to sequentially do the arithmetic and logical operations.Computer was invented by the Charles babbage,by following the mathematical ideas of the George Boole..
    It accepts input from the user and performs the respective task on the input given and finally results the output through the output device such as monitor..
    The interface which makes to interact the user and the machine is known as user interface...
    The first electronic digital computers were developed in the mid 20th century in between(1940-1945),originally they were large size of large room,consuming large power units of about several hundred modern personnel computers..[/COLOR]

    There are four important parts of the computer,they are..
    *Monitor
    *CPU(Central Processing Unit)
    *Key board
    *Mouse..

    Monitor:
    Monitor is an output device through which output is generated and it can be visible for the user who uses it.the respected task is performed and the output is generated and the output can be visible through the monitor...
    CPU:
    It is a processing unit in which all the operations and manipulations are carried out .CPU performs all the Arithmetic and logical operations and results the output.It also holds the internal memory for storing of the data and also it contains some temporary and permanent storage of memory units..
    Key board:
    It is an input device through which input can be given in the form of digits or the words and the computer accepts the input given and takes it and then manipulates and performs task and then returns the output through the output device..
    Mouse:
    It is one of the part of the computer and it takes the input through the selection of the data through the mouse and responds to the input and generates the output through the output unit...

    Computer are classified into different types based on their size and power as follows,some of them are..
    Personnel computers-It consists of the single microprocessor and a keyboard and mouse and monitor and these are mainly used in the homes for personnel usage..
    *Workstation computers-These computers are a powerful single user computers it is also a personnel computer but it can perform more higher tasks then personnel computers and these are mainly used in the office places...
    *Mini computers-It is a multi user computers that is more then one user can perform and the are capabale of supporting from 10 to hundred users simultaneously...
    *Main frame computers-These are improved and higher versions of the mini computers and these can support hundreds to thousands of the users simultaneously...
    *Super computers-These are the fastest computers and these can perform the tasks very fastl'y it can perform hundred and millions of instructions per second...
    *Modern computers-Modern computers are electronic and digital.the actual machinery wires and transistors and circuits are called the hardware parts of the computers and the instructions and data given to the computer for performing certain tasks are known as software of the computers...

    All the general purpose computers require the following units for hardware...
    *Memory:
    It enables the computer to store the required data both the temporary and the permanent storages..
    *Mass storage device:
    It allows the computer to retain the large amounts of data some of the common mass storage devices are disk storage and the tape drivers..
    *Input device:
    There some input devices used for giving the input to the computer some of them are,Keyboard,mouse..
    *Output device :
    These are the devices through which output can be given and some of them are,printer,monitor..etc..
    *CPU:
    This CPU performs the logical and arithmetic operations and this is the main hardware part of the computer...
    These are some of the basic hardware parts of computer..


    There are also software parts of computers such as
    *System Software :
    System software are used for the programming of the system parts some of the system software are,Antivirus etc...
    *Application software:
    Application software are some of the software which are used for performing some of the applications such as C,C++,JAVA.etc...

  14. #13
    sudheer1302
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    Re: What is a computer?

    A COMPTER IS A N ELECTRONIC DEVICE THAT PERFORMS MATHEMATICAL CALCULATIONS.AND IT IS USER INTERFACE

    IT CONSIST OF PARTS
    CPU:CENTRAL PROCESS UNITS

    RAM:RANDOM ACCESS MEMORY

    MOTHER BORD

    HARD DISK

    DVD WRITER AND READER

    MONITOR

    MOUSE

    MICRO PROCESSOR

    FLOPPY DIVER

    ETC.....

    I GIVE U ONE LINK IT FOR ALL INFORMATION ABOUT THE COMPUTER

  15. #14
    ranjeet250490
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    Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?
    Hi


    A computer is a machine, which is made by the humans to make their jobs easy. Its a device which has artificial intelligence.

    It has a chip which is called a microprocessor which takes input from the user, and then operates according to it.

    The various parts of a computer are :

    MONITOR
    MOUSE
    KEYBOARD
    CPU - Central Processing Unit
    RAM - Random Access Memory
    ROM - Read Only Memory
    Motherboard
    PRINTER
    UPS
    Power supply


    These days the Desktops are reducing from the market, and the Laptops and the Tablets are taking over as they are very easy to carry and use.

    Hope this helps

    If you need more information on this , Please Click Here

    All the best

  16. #15
    Just Guesss?
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    Re: What is a computer?

    Computer :
    Computer is an Electronic Device which reduces the human efforts .
    Its a machine which takes input from the Keyboard and gives output through a displaying device Monitor after processing through CPU .



    Description about the Computer :

    A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem.

    >>An important class of computer operations on some computing platforms is the accepting of input from human operators and the output of results formatted for human consumption.

    >>The interface between the computer and the human operator is known as the user interface.

    >>Conventionally a computer consists of some form of memory, at least one element that carries out arithmetic and logic operations, and a sequencing and control unit that can change the order of operations based on the information that is stored.



    >>Peripheral devices allow information to be entered from an external source, and allow the results of operations to be sent out.

    A computer's processing unit executes series of instructions that make it read, manipulate and then store data. Conditional instructions change the sequence of instructions as a function of the current state of the machine or its environment.

    History of the Computers :

    The first electronic digital computers were developed in the mid-20th century (19401945). Originally, they were the size of a large room, consuming as much power as several hundred modern personal computers (PCs).[1] In this era mechanical analog computers were used for military applications.

    Modern computers based on integrated circuits are millions to billions of times more capable than the early machines, and occupy a fraction of the space.[2] Simple computers are small enough to fit into mobile devices, and mobile computers can be powered by small batteries

    Hope you have got an basic info on computer !


    One question friend please don't take in other way :
    " without knowing anything about the computer , how you have posted this query ??? "

  17. #16
    venkataprakash
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    Re: What is a computer?

    What is a computer ?
    Computer is a normally considered to be a calculating device that can perform arithmetic operations at enormous speed and it is work more accurately.

    A computer can store,process and retrieve data as and when desired.All Computer contain the same basic components.


    Computer parts :-



    Inside the System Unit :-



    Front view of System Unit :-



    Back view of System Unit :-



    Demo :- Basic Computer parts


  18. #17
    karan555
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    Thumbs up Re: What is a computer?

    Hello friend,

    COMPUTER stands for Common Oriented Machine Particular Used for Trade and Educational Research.





    A computer is an Electronic device,which is used to perform specific functions as required by the user.A computer is a non-intelligent device,because it cannot do any task on its own,the user provides the instructions to the Computer then its processed those instructions and produces the desired output and Display on the screen.

    Basic Parts of a Computer:

    • Central Processing Unit.
    • Monitor.
    • Keyboard.
    • Mouse.
    • Speakers.


    Central Processing Unit:

    It is the most important part of a Computer System.It consists of Processor which is used for processing all the instructions and calculations given by the user.Main parts of CPU:

    • Processor.
    • Motherboard.
    • Connector Pins.
    • Ports.
    • Hard disk.


    Motherboard is known as the mother of all the boards because all the devices and peripherals are attached to the Motherboard.Connector Pins are used to connect different devices to the Motherboard.Ports can be USB,SCSI,Serial,Parallel.Ports are used to connect external devices to the Computer.Hard disk is the main storage device which stores all the date of the user.It is a secondary memory.

    Monitor (Visual Display Unit):

    Monitor is the Visual display unit of Computer,It is an Output device which is used to display the processed Output to the user.It acts as an interface between the User and CPU.

    Keyboard:

    Keyboard is an Input device.It is used to key in the input or instructions to the Computer,it also acts as an interface between the User and the Computer.It is also used for Character Input.

    Mouse:

    It is another Input device,it is used to convert the user's hand signals to the Graphical signals which computer can understand.It is used for pointing an option,sometimes in web pages it acts an Enter Key of Keyboard.

    Speakers:

    It is an Output device,it gives the output in the form of audio.It outputs the audio signals generated by the Computer.

    Applications of Computer:

    Computer finds it applications in almost every field today.It has its applications in Banks,Education,Banks,Institutes,Space research etc

    All the best.

  19. #18
    luckyman
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    Re: What is a computer?

    Hello friend,

    Computer :-

    -->Today's world is Computer.

    -->A computer is an Electronic Device that manipulates Information or data.

    -->It has ability to store,retrieve and process data.

    -->You can use a computer to type documents,send email and browse internet.

    -->You can also use it to handle Spread sheets,Accounting,Database management,presentations and more.

    -->It has Main parts .They are

    1.Hardware

    2.Software

    -->Hardware is any part of the computer that has a physical structure such as the computer monitor or keyboard.

    -->Software is any set of instructions that tells the hardware what to do.

    -->It is what guides the hardware and tells it how to accomplish easy task.

    -->Some examples of software are web browsers,games and word processors such as MS word.

    -->The First electronic computer,THE ELECTRONIC NUMERICAL INTEGRATOR AND COMPUTER(ENIC) was developed in 1946.

    -->It took up 1800 square feet and weighed 30 tons.

    Types of computers :-

    1.Personal Computers(PC)

    2.Laptop computers.(small size and compact)

    Components of Computer :-

    1.RAM
    2.ROM
    3.HARD DISK
    4.DVD DRIVE
    5.CPU
    6.KEYBOARD
    7.MOUSE
    8.PRINTER
    9.MONITOR
    10.POWER SUPPLY(UPS)

    ALL THE BEST..........................

  20. #19
    oh my friend
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    Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?
    hi friend......

    computer is nothing but an electronic device which is used in various applications



    it consists of



    CPU
    MONITOR
    KEYBOARD
    MOUSE


    mother board is heart of the computer

    In cpu there exists hardisk which is a secondary device( 40gb,500gb etc)

    RAM(random access memory) ia present which is used to access the speed of the computer

    it exists different processors such as i3,i5 and i7

    i7 is the latest and upgraded processor

    all the best

  21. #20
    jjoshua1995
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    Smile Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?
    >>COMPUTER IS AN ELECTRONIC MACHINE WHICH IS CALLED TO BE AN IDIOT BOX.

    >>IT IS BECAUSE IT WORKS ONLY WHEN PROGRAMMERS ARE GIVEN THE NECESSARY INSTRUCTIONS


    >>A COMPUTER IS USED TO STORE DATA AND INFORMATION.

    >>THE COMPUTER CONSISTS OF THREE MAJOR PARTS.THEY ARE THE CPU WHICH MEANS CENTRAL PROCESSING UNIT .THIS STORES THE DATA TEMPORARILY AND PERMANENTLY.

    >>NOW THE COMPUTER FIELD IS SO INCREASED BECAUSE IT NEEDS A LOT OF PROGRAMMERS TO CREATE NEW SOFTWARES AND PROGRAMS.

    >>SO IF YOU ARE INTRESTED YOU CAN TAKE COMPUTER ENGINEERING AND STUDY TO HAVE A BRIGHT FUTUTRE.

  22. #21
    jjoshua1995
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    Smile Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?
    >>COMPUTER IS AN ELECTRONIC MACHINE WHICH IS CALLED TO BE AN IDIOT BOX.

    >>IT IS BECAUSE IT WORKS ONLY WHEN PROGRAMMERS ARE GIVEN THE NECESSARY INSTRUCTIONS


    >>A COMPUTER IS USED TO STORE DATA AND INFORMATION.

    >>THE COMPUTER CONSISTS OF THREE MAJOR PARTS.THEY ARE THE CPU WHICH MEANS CENTRAL PROCESSING UNIT .THIS STORES THE DATA TEMPORARILY AND PERMANENTLY.

    >>NOW THE COMPUTER FIELD IS SO INCREASED BECAUSE IT NEEDS A LOT OF PROGRAMMERS TO CREATE NEW SOFTWARES AND PROGRAMS.

    >>SO IF YOU ARE INTRESTED YOU CAN TAKE COMPUTER ENGINEERING AND STUDY TO HAVE A BRIGHT FUTURE......

  23. #22
    sagar R.
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    Re: What is a computer?

    Computer is the programmable machine designed to sequencially and automatic carry out sequence of arithmatic or logical operation.In the computer Input is given by human through keyboard , process is done in the CPU and output result will be displayed on monitor.
    The interface between human and computer is known as user interface.
    Component of computer
    Key-board
    Mouse
    Monitor
    CPU
    RAM
    ROM
    Power supply
    Hard disk
    Software
    Operating system
    etc.

  24. #23
    ushagupta
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    Re: What is a computer?

    dear friend ------
    computer is a machine which is made mainly for calculations .
    but now humans use it for many other things like listening music , playing games , using internet etc
    ITS MAIN PARTS ------
    CPU (THE MIND )
    MONITOR ---- (FACE )
    SPEAKERS ----(MOUTH )
    KEYBOARD (EARS )
    MOUSE

    IMPORTANT PARTS IN CPU ----
    MOTHER BOARS IS THE BRAIN WHICH CORDINATES ALL THE PARTS
    RAM IS A TEMPORARY MEMORY LIKE OUR CONCIOUS MIND
    PROCESSOR IS THE PROCESSING UNIT WHICH SENDS ALL THE MESSAGE AND CORDINATES ALL PARTS LIKE VIENS .

    BEST OF LUCK

  25. #24
    enjoy
    Join Date
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    Re: What is a computer?

    hiiiiiiiiii
    Computer is an electronic device thats performs mathematical calculations......
    It consist of CPU,Monitor,Keyboard abd mouse.
    Cpu is the centralized processing unit that consist of a Hard-disk,Ram,Processor and connecting cables along with fans.......
    It is used to create and implement various softwares in various electronic devices...

  26. #25
    vaibhavgupta
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    Re: What is a computer?

    dear friend ,,
    computer is a device which helps human in many different ways --
    IT HELPS IN CALCULATIONS
    HELPS TO GET KNOWLEDGE ..
    LISTEN MUSIC
    PLAY GAMES
    RESEARCHING
    ETC
    BUT THE SCIENTISTS CREATED IT FOR MAINLY CALCULATIONS BUT NOW IT HAVE MANY OTHER USES ..
    ITS SOFTWARES ---
    OS ( OPERATING SYSTEM ) ---- HELPS THE COMPUTER TO BE USEFUL .
    EXAMPLE -- WINDOWS , LINUX , UBUNTO , ETC


    images.jpg
    UTILITY SOFTWARES ----- THE SOFTWARES WHICH ARE ESSENTIAL FOR A COMPUTER TO WORK .
    EXAMPLE --- NATEPAD , CALCULATER ETC .


    notepad_sx.jpgHARDWARE ---
    1. KEYBOARD --- HELPS US TYPE AND COMMAND THE COMPUTER
    2. MOUSE ------- IT HELPS IN POINTING DIFFERNT THINGS IN THE COMPUTER .
    3. MONITOR ----- HELPS TO SEE THE OUTPUT
    4. CPU ---------- IT IS THE BRAIN WHICH ACTS LIKE OUR BRAIN
    comppahdPC.jpg

  27. #26
    BIMS
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    Re: What is a computer?

    computer is a electronic device which accept binary information and process in a predefined fashion according to set or sequence of instruction provided to it and produce the binary out put.
    It is usually consists of input device output device, storage device, arithmatic and logical unit and controlling unit.

  28. #27
    sitarama
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    Re: What is a computer?

    Quote Originally Posted by 5522 View Post
    Good Evening
    What is a computer?
    well,friend;....
    Computer:

    >> Computer is a electronic device for storing data and processing data in the form of binary according to instructions given to it in a variable program.And in this different components they include;..

    Components :
    • Control unit
    • Arithmetic logic unit (ALU)
    • Memory
    • Input/output (I/O)
    • Multitasking
    • Multiprocessing
    • Networking and the Internet
    • Computer architecture paradigms
    Basic Computer :


    >> There are 2 principal characteristics of a computer are:Modern Computers and Computer Classification

    Modern Computers:

    >> These are electronic and digital in this we have the memory and mass storage devices and input device and output device and central processing unit (CPU).

    Computer Classification:

    >> These computers can be generally classified by size and powerersonal computer and workstation and minicomputer and mainframe and supercomputer .

    ----->>>>>>>>>>>>>>If you want The Five Generations of Computers Click Here

    good luck;....

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