Computer Network & Internet What are Computer Networks :  Network  is  the  wired  or  wire-less  connection  among  tow  or  more  computers .   Networking  makes  it  possible  to  share  data  and  information…

Windows এর কিছু শর্টকাট কীবোর্ড কমান্ড উইন্ডোজের  কীবোর্ড  শর্টকার্ট  আমরা  কম-বেশী  সবাই ব্যবহার করি ।  মাউস  দিয়ে কাজ  করার  চেয়ে  বেশিরভাগ  ক্ষেত্রে  কীবোর্ড  দিয়ে  দ্রুত কাজ করা  যায় । এখানে  আমার  জানা  কিছু কীবোর্ড…

Official Note:  Official note is one kind of media . It is a kind of internal communication . which exchange ideas or information between two officers of almost equal rank. official note is used for horizontal communication . T…

To The General Manager Moon Computer Academy Santhia,  Pabna, Bangladesh. Sub:  Joining Roport as an Assistant Manater . Reg:  Your memo No-mca/2015/ad201(5)                                     Date: January,14,2015 Sir…

Moon Computer Academy                                                    Santhia,  Pabna, Bangladesh. Memo No:..................                                                                               Date:............…

Application for the post of a professor (com.) To The principal Santhia Degree College Santhia, Pabna Bangladesh. Date:  14.01.2015 Subject:  Application for the post of a professor (com.)   Sir,  With reference to …

There are different parts of a business letters as given below and briefly discuss: 1.  Letter Head or Heading:  The letter head is usually imprinted on stationary and consists of the name ,  address and possibly telephone …

There are many media of business communication in the modern business world. Letter writing is widely used in the business world. Letter  Telephone  Telegraph  Advertisment  Notiec  Cercular  Report   E-mail   Telex-Fa…

Business communication uses two words together "Business" and "Communication" .  Business communication is defined by the American Heritage Dictionary as:     (i)  The  occupation , work or trade in w…

The name of our country is Bangladesh . It is in south Asia . It became independent in 1971. It is a democratic country . Bagladesh is a small country . its land  area is 1.47,570 square kilometres . it is surrounded by India i…

Database:     Database is a collection of related information . Database is a self-descrbing and organized collection of integrated records . A database is a single organized collection of structured data with a minimum of dupl…

What is Data ?   Data are facts represented by values, members of character string and which carry meaning in a certain context. In other words, data is an encoded representation of information.  What is Information ?   A cea…

For centuries mathematicians felt there was a connection between mathematics and logic, but no one before George Boole could find this missing link . In 1854 he invented symbolic logic, known today as Boolean algebra . Each varia…

Computer networks have the following goals: Resource sharing: Programs, equipment and data available to anyone on trhe network can be shared without regard to the physical location of resource and the user .   High reliabilit…

The five main sections of a Computer are input. memory, arithmetic and logic, control and output . Here is a brief description of each . Input :   This  consists of all the  circuits needed to get programs and data in to the com…

Program:   A  set  of  instructions  carried  out  by  a  computer  machine  to  solve  some  given  problem  is  known  as  program . In  other  words  the  functioning  of  a  computer  machine  is  controlled  by  a  se…

Computer Terminology (2) ( K-W )  KB             =  Kilobyte   KBPS        =  Kilobyte  Per  Second   LAN          =  Local  Area  Network   LAM          =  Line  Per Minute  LANE        =  Local  Area  Network  …

COMPUTER TERMINOLOGY (1) AC                  =    Alternating  Current           ADP                =    Automatic Data Processing ADT                =    Abstract  Data  Type   ALU                =   Arithmetic  a…

Windows এর কিছু শর্টকাট কীবোর্ড কমান্ড উইন্ডোজের  কীবোর্ড  শর্টকার্ট  আমরা  কম-বেশী  সবাই ব্যবহার করি ।  মাউস  দিয়ে কাজ  করার  চেয়ে  বেশিরভাগ  ক্ষেত্রে  কীবোর্ড  দিয়ে  দ্রুত কাজ করা  যায় । এখানে  আমার  জানা  কিছু কীবোর্ড…