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Software: - V.K. Jain “O Level” Computer Organization & Architecture Code: COMP-715 Credits: 4(3+1+0) UNIT-1 Introduction: Types of computers: Analog, Digital and Hybrid Computers, Modern Digital Computer, Number systems- Binary, Octal, Decimal, Hexadecimal , 1’s & 2’s Complement. Digital logic circuits and Components: Logic gates, Boolean Algebra, K-Map Simplification, Half Adder, Full Adder, Decoder, Encoders, Multiplexers, Demultiplexer, Flip Flops, Registers, Binary Counters.

GSM – Overview GSM is a globally accepted standard for digital cellular communications. What is GSM? If you are in Europe, Asia or Japan and using a mobile phone then most probably you must be using GSM technology in your mobile phone. GSM stands for Global System for Mobile Communication and is an open, digital cellular technology used for transmitting mobile voice and data services. The GSM emerged from the idea of cell-based mobile radio systems at Bell Laboratories in the early 1970s. The

help boost the growth rate by liberalizing trade. Egypt reduced the tariffs, tax cuts, deregulation, and made changes in investment regulations to fuel their economic growth. Eventually, with these changes Egypt saw great economic growth. Big name companies like Oracle and Microsoft built new office buildings and construction could be seen throughout the country. The reformed economic policies definitely helped boost Egypt’s growth rate as it provided more jobs and allowed outside

Cisco Unified Communications Manager Introduction Cisco Unified Communications Manager (formerly Cisco Unified CallManager) serves as the software-based call-processing component of the Cisco Unified Communications family of products. A wide range of Cisco Media Convergence Servers provides high-availability server platforms for Cisco Unified Communications Manager call processing, services, and applications. The Cisco Unified Communications Manager system extends enterprise telephony features

FREQUENTLY ASKED QUESTIONS (JAVA) IN INTERVIEWS 1)What is OOPs? Ans: Object oriented programming organizes a program around its data,i.e.,objects and a set of well defined interfaces to that data.An object-oriented program can be characterized as data controlling access to code. 2)what is the difference between Procedural and OOPs? Ans: a) In procedural program, programming logic follows certain procedures and the instructions are executed one after another. In OOPs program, unit of program