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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.
Draw the logic diagram of 16-bit ROM Array and explain its principle of operation. Ans: 16-bit ROM Array: A ROM that is read-only memory is an array of selectively closed
Object Orientation and Analysis An Object is anything that exists within the problem domain that can be recognized by data and/or behaviour. An example of an object is a bike.
Explain the meaning of BIND socket primitive The bind Primitiv: While created, a socket has neither a remote address nor a local address. A server utilizes the bind proce
What are the criteria for choosing a process for swapping into memory from the swap device? The resident time of the processes in the change device, the priority of the process
How to implement zbuffer algorithm
What are the layers of data description in R/3? There layesr are there:- The external layer. The ABAP/4 layer. The database layer.
The void type is used for The void type is used to make generic pointers.
Minimize the logic function Y(A, B, C, D) = ∑m(0,1,2,3,5,7,8,9,11,14). Use Karnaugh map. Draw logic circuit for the simplified function. Ans: In following figure (a) shows the
Minimisation using Boolean algebra is not always straight forward and sometimes it is not obvious if a further manipulation would give a simpler circuit. Karnaugh maps are a muc
What is the functionality of Remote Login? Remote Login gives similar functionality of telnet, along with the added functionality of not involving a password from trusted cli
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