The Internet of Things (IoT) The Internet of Things (IoT) is a combination of various technologies. The basic required terms are a heterogeneous network for communication of objects, required hardware…
Need for Wireless LAN There are many reasons to consider Wireless LAN (WLAN): An increasing number of LAN users are becoming mobile. These mobile users require that they be connected…
Ethernet Ethernet (pronounced “either net”) is a computer network technology used in different area networks like LAN, MAN, and WAN. Ethernet connects computers with cables so they can share information.…
Frame Relay Frame Relay is a packet-switching technology that fragments data into transmission units called frames and sends them in high-speed bursts through a digital network. It establishes an exclusive…
Phases of a Compiler A compiler operates in phases, each transforming the source program from one representation to another. The phases of a compiler are as follows: 1. Lexical Analysis…
Input Buffering Before discussing the problem of recognizing lexemes in the input, let us examine some ways to speed up the simple but important task of reading the source program.…
Syntax-Directed Definition and Attribute Grammars 1. Syntax-Directed Definition The syntax-directed definition is a generalization of a context-free grammar in which each grammar symbol has an associated set of attributes. These…
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