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Explain difference between Scanning and parsing.
Scanning and parsing: Scanning process is the process of recognizing the lexical components in a source string whereas parsing is the process of checking the validity of a source string, and to find out its syntactic structure. The purpose for separating scanning from parsing is that the lexical characteristics of a language can be specified by using Type-3 grammars. All Type-3 production identifies lexical components is also a Type-2 production. Conversely, a recognizer for Type-3 productions is easier, simple to build and more efficient throughout execution than a recognizer for Type-2 productions. Therefore it is better to handle the lexical and syntactic elements of a source language separately.
What are links and associations? Link is a physical or conceptual connection between objects. A link is an instance of an association. Association is a explanation of group
SHOW THAT AVERAGE NUMBER OF UNIT IN A (M/M/1) QUELING SYTEM IS EQUAL TO P/(1-p). NOTE:P=ROW
The binary equivalent of (FA) 16 is ? Ans. (FA) 16 = (11111010) 10
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that
Analog signals can be by combining them with a carrier frequency (A) Carried (B) Transported (C) Multiplexed
For what an append query be used? It is simple to append records from one table to another using an append query. There is no requirement for the tables to have the similar num
Add 648 and 487 in BCD code. Ans. In BCD Code, addition of 648 and 487: 6 4 8 = 0 1 1 0 0 1 0 0 1 0 0 0 4 8 7 = 0 1 0 0 1 0 0 0 0 1 1 1 ---------------------
Data logging This technique involves collecting data automatically using sensors; frequently used when doing scientific experiments or monitoring a system.
a. Explain Intermediate Representation? What are the desirable properties of Intermediate Representation? b. Explain Grammar of a language. Identify the dissimilar classes of gr
SAP system configuration includes It includes :- a) Dialog tasks b) Update tasks.
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