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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 interrupts? Interrupt: An interrupt is a hardware mechanism which enables an external device, classically input/output devices, to send a signal to the CPU. An int
Line A Line is, on a simple level, a mark connecting 2 points. However, how lines are used in an image is extremely important. By varying the quality of line used in an image,
why we don''t use register at the place of ram?
Explain in detail about Real time (transaction) processing When booking seats on a flight, for illustration, real time (transaction) processing would be used. Response to a que
is a technique of improving the priority of process waiting in Queue for CPU allocation? Ageing is a technique of enhancing the priority of process waiting in Queue for CPU all
Q. System Development and Data Administration? System Development: In traditional business systems analysts and programmers are organized into permanent teams which support i
What is the use of buffer register? The buffer register is used to avoid speed mismatch among the I/O device and the processor.
Advantage 1. By doing threading we neglect the recursive method of traversing a Tree , which makes use of stack and consumes many memory and time . 2. The node
Magento supports installation of modules by a web-based interface accessible by the administration area of a Magento installation. Modules are hosted on the Magento eCommerce websi
ERP usage in real world
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