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Data communication as a need developed in the 1960s with the interconnection of peripheral devices to mainframe computers. Within the immediate vicinity of the mainframe computer the interconnection would be via a high-speed interconnection network, or Local Area Network. Communication to remote terminals was originally by text.
The communication between computers introduced a new discipline of communication protocols. A human being at one end of the connection can apply reasoning to correct most errors; however a computer is unable to apply reasoning. The protocols have to be capable of precise and unambiguous interpretation by a computer.
To separate the design of protocols they are separated into layers and formed into a layered architecture. The Open Systems Interconnection (OSI) is the model for a layered architecture, although most protocol architectures adhere to the principles of OSI rather then the strict definition of the layers.
n-ary relationships in database design Each n-ary where n>2 relationship type is maped into a table name of the relationship works as the name of the table. The primary key of suc
Question 1 Define Internet and explain its working Question 2 Explain page format specifiers and page content specifiers of XSL-FO Question 3 Write a note on HTML
Outdoor Patient Department (OPD) Features The following modules can be developed for various areas and workers. A receptionist Module Receptionist updates all bas
discus .line drawing algorithm
1.Add a Validation Rule for Date of Birth so no one under the age of 18 can be added to the table. Hint: subtract the DOB from today''s date and divide by 365.25 (watch the parenth
THE THIRD GENERATION (1966-1975) The introduction of IBM-360 series of computers in 1965 marked the beginning of this generation. The transistors were replaced by solid
Question 1 Write a note on advantages and disadvantages of Linux 2 Write a note on "File Permissions" on linux 3 Explain the usage of following Linux commands Cd kill
i have attached all files in zip folder, all files are given and act as headers, all what you need to work on: oaa.h "partially given" , wordbench2.h "needed", wordbench2.cpp "nee
Algorithm : 1. Read the values of principal amount, time and rate of simple interest into the locations labelled as P, T, R. 2. Set the count T to 1 implying the end of a year. 3.
The first report, Report #1, is to be an ordered list of the contents of the database, sorted in ascending order by a major field. Report #1 is to include all of the fields and rec
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