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Define formal language grammar?
A formal language grammar is a set of formation rules which describe that strings made by the alphabet of a formal language are syntactically valid, inside the language. A grammar just addresses the location as well as manipulation of the strings of the language. This does not explain anything else about a language, as its semantics.
As suggested by Noam Chomsky, a grammar G contains the following elements:
Here * is the Kleene star operator and signifies set union. It is, each production rule maps by one string of symbols to the other, here the first string consists of at least one non terminal symbol.
Q. What is Status Control and Registers? Status Control and Registers: These registers can't be used by programmers though are used to control CPU or execution of a program.
Hierarchy Hierarchy is a process of ranking or ordering of abstraction. Hierarchy is decided by the help of 'divide and conquer' principle. Complex objects can be described
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A device that forwards data packet from one network to another is known as a Switch device.
Maximum channel utilization in a LAN is defined by frame time (t f ) and propagation time (t p ). It is defined by (A) t p /t f (B) t f /t p (C) 1 + (t f /t p )
Fred, Barney and Ralph belong to the La Trobe Mountain Club. Every member of the Club is either a skier or a hiker. Anyone that doesn't like snow does not like skiing. No hikers li
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Add 20 and (-15) using 2's complement ? Ans. Addition of 20 and (-15) by using 2's complement as (20) 10 = 1 0 1 0 0 (16
How many two input AND gates and two input OR gates are required to realize Y = BD+CE+AB ? Ans. Here three product terms, therefore three AND gates of two inputs are needed.
Q. Explain about of Unicode? This is a newer International standard for character representation. Unicode offers a unique code for each character irrespective of Program, platf
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