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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 is Central Processing Unit Central Processing Unit (CPU) performs all the arithmetic and logical calculations in a computer. The CPU is said to be the brain of the compute
Classic form of OLAP is called as MOLAP and it is often known as OLAP. Simple database structures like time period, product, location, etc are used. Functioning of each and every d
Q. What is Single Program Multiple Data (SPMD) SPMD is in fact a "high level" programming model which can be built on any arrangement of previously described parallel programmi
Define the Emphasis on Object Structure Emphasis on Object Structure, not on Operation Implementation In object orientation the importance is on specifying the qualities
Define UFD and MFD. In the two-level directory structure, every user has own user file directory (UFD). Every UFD has a same structure, but lists only the files of a single u
How the simulation is done Data is entered into the computer and simulation is run. The below scenarios may be tried out: - Timing of lights varied to see how traffic flow
What is Electronic Data Interchange? Electronic Data Interchange (EDI): It is used by organizations for transactions which arise on regular basis to a pre-found format.
State about the multiple inheritance multiple inheritance is shown in Figure. In this, one class is inherited from more than one class.
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Explain the working of Static RAM - Computer Memory? SRAM devices tender extremely fast access times (approximately four times faster than DRAM) but are much more expensive to
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