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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.
Execute the following functionality using Java & SQL with simple GUI interface: 1. Insert/delete/update an XML document. 2. Insert/delete/update a category. 3. Alloca
What are pages? All programs and date are composed of fixed length units known as pages. Each page consists of blocks of words that occupy contiguous locations in main memory
Direct Mapping: In this particular technique, block j of the primary memory maps onto block j modulo 128 of the cache. The primary memory blocks 0,128,256,...is loaded
Write an ALP to count positve and numbers from array.
Explain Dial Tone and Ringing Tone in strowger telephony. Dial Tone: it is used to indicate that the exchange is ready to recognize dialed digits by the subscriber. The subsc
Name the various Display devices Different types of display devices are discussed along with the principles on which these work. The main display devices used with CAD systems
What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi
Remote-load Latency Problem: When one processor requires some remote loading of data by other nodes, then the processor need to wait for these two remote load operations. The long
Aggregation is the relationship among the whole and a part. We can add/subtract some properties in the part (slave) side. It won't affect the entire part. Best example is Car,
The Simple Object Access Protocol (SOAP) uses XML to describe a protocol for the exchange of information in distributed computing environments. SOAP having of three components: an
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