Part1 Basic knowledge of CDMA Agenda 1. Architecture of CDMA system/ Coverage Area Structure 2. Interface between different entities 3. Numbering plan Architecture of CDMA system MS Um Abis A B OMC BT S BSC MSC VLR D HLR H BSS C MSS AUC •MS: •BSC: •BTS: •MSC: •VLR: •HLR: •AUC: •OMC: Mobile Station Base Station Controller Base Transceiver Station Mobile Switching Center Visitor Location Register Home Location Register Authentication Center Operation and Maintenance
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Computer Studies: What is a hardware? - A hardware is something we can see and touch in a computer. What is a software? - A software is something we can see but cannot touch‚ it is usually stored in a computer system. Some of the examples of hardware are: - Mouse - Keyboard - Monitor - CPU -Speaker - Printer - Scanner - Trackerball - Joystick Some of the examples of software are: - Microsoft Words - Internet Explorer - etc As of the moment‚ many trends come out in the
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A. VOLATILE MEMORY Volatile memory‚ also known as volatile storage‚ is computer memory that requires power to maintain the stored information‚ unlike non-volatile memory which does not require a maintained power supply. It has been less popularly known as term Dynamic random access memory (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge‚ the information eventually fades unless the capacitor
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Computer Ever since the computers were invented‚ people’s lives have changed a lot‚ which brought many benefits and conveniences to these people. In current society‚ there is at least one computer being held in every household‚ which means that people use the computer every day and it has become a useful resource in their lives. The first effect of the computer is that‚ it gives convenience and saves time in workplace settings. The most commonly used programs in the workplace are word and excel
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Project is defined as a collaborative enterprise‚ involving research or design that is carefully planned to achieve a particular aim. Projects can be further defined as temporary rather than permanent social systems or work systems that are constituted by teams within or across organizations to accomplish particular tasks under time constraints. Project management is the process and activity of planning‚ organizing‚ motivating‚ and controlling resources‚ procedures and protocols to achieve specific
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Compiler: A Definition Compiler‚ in computer science‚ computer program that translates source code‚ instructions in a program written by a software engineer‚ into object code‚ those same instructions written in a language the computer ’s central processing unit (CPU) can read and interpret. Software engineers write source code using high level programming languages that people can understand. Computers cannot directly execute source code‚ but need a compiler to translate these instructions into
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Forman 28th March‚ 2012 ENG 102 IJC Effects of Computers on Society Discoveries and invention of devices are always welcomed till we‚ humans find a way to abuse its benefits and be adversely affected by it. Computers have influenced all sphere of modern society in a big way by the way people keep in touch with each other‚ the way people entertain themselves using computer and the way people buy and sell things. In todays present‚ although computers have changed in many different ways all activities
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Assignment London Churchill College Programme: BTEC Higher National Diploma (HND) in Business Unit Number and Title: (34) Operations Management Unit Level (QCF): 5 Module Tutor: Cliff Sikpi Email: Cliffsikpi@yahoo.com Date Set: 28/09/11 |Learner’s name and statement of authenticity | |
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Aim: To Study Socket Programming Commands Theory: ss - socket statistics The netstat command has been replaced by the ss command from the iproute suite of tools. The netstat command reads various /proc files to gather information. However this approach falls weak when there are lots of connections to display. This makes it slower. The ss command gets its information directly from kernel space. Following examples shows the use of ss command. 1. List all connections The output contains
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Computer software can be divided into two main categories: application software and system software. Application Software: Application Software includes programs that do real work for user. Example: Payroll systems‚ Inventory Control‚ Manage student database‚ Word Processor‚ Spreadsheet and Database Management System etc. Application software consists of the programs for performing tasks particular to the machine’s utilization. Examples of application software include spreadsheets‚ database systems
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