Azam Mahmood Client-server concepts began to gain common acceptance in 1990. They have now become popular in commercial applications of PC’s in many countries. Client-server computing is one way of combining PC’s in a network. Specifically it involves designing the network in such a way that a database is stored and maintained on the network [...]

Originally Published in Computer Jagat Magazine Kazi Sayeda Momtaz (Sharmin) The encryption process in particularly useful if one wishes to market programs developed in the dBASE programming language and in the case it helps reduce the possibility of unauthorized use. Encrypting command files is also useful in a LAN environment as the Source Code Program, [...]

Originally Published on Computer Jagat Magazine M. Shorif Uddin*  and   M. Sarowar* 1.   Introduction: Generally, a real time system is a real time program that is very like a non-sequential program. It has to manage peripherals, and follow some mechanism. But a real time program should include a supplementary issue: timing constraints imposed by the [...]

Originally Published in Computer Jagat Magazine MD. AL-AMIN BHUIYAN As the world’s economy grows, more and more data is produced. This has created an ever increasing demand for faster data communications locally, nationally and globally. Data communication thus emerged as a natural result of the development of sophisticated computer systems— it has become the milestone [...]

S.M. Salmat Ullah Bhuiyan* & Mohammed Shah Alam Chowdhury 1.  INTRODUCTION Expert Systems are sometimes referred to as being a form of artificial intelligence. This is misleading as they are not systems which are capable of thinking for themselves, instead they use and sift through human knowledge in the specific order in which they have [...]

M. Lutfar Rahman 1.   INTRODUCTION Computer networks enable computers to exchange information with each other in a meaningful way. Computer networks now wrap around the world and electronic mail and electronic data interchange are common place. Communication between computers is a fundamental requirement for sustaining and developing modern trade, industry, education and culture. Academic and [...]

Professor Farruk Ahmed Following the lead of the large computer systems, distributed processing is being applied to microcomputers. The requirements for processing power are outstripping the ability of the central processor to provide all the computation, data transfer and control in the system. Intelligent controllers are being added to the system design to allow the [...]

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Azam Mahmood CD-ROM (compact disk read only memory) technology has evolved considerably and quite rapidly over the past few years. In retrospect, the first batch of CD-ROM drives were only able to transfer data at the rate of 150 kilobytes per second, which was known as single speed. This speed is also equivalent to the [...]