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What is the need of MODEM in data communication?
Need of Modem: Modems are utilized to interface computer networks, computers and other terminal equipment for radio channels and telecommunication lines. The term Modem is a contraction derived from the words demodulator and modulator. The modems at the transmitting station changes the digital output from the computer another data terminal equipment to a form that can be easily sent through a communication circuit, whereas the receiving modem reverse the process. Modems are different in rate of data transmission, bandwidth, modulation methods and standards have been developed to give compatibility in between different manufacturers' equipment and systems.
Q. Drawback of the system using disk caching? The main drawback of the system using disk caching is risking loss of updated information in event of machine failures like loss o
What do you mean by u-area (user area) or u-block? This having the private data that is manipulated only by the Kernel. This is local to the Process, i.e. every process is a
Q. Explain Point-to-point Message Passing? In point to point message passing, one process transmits/receives message from/to another process. There are four communication modes
Some of the file extensions present in MS Access are ? Access blank project template .adn ? Access database .accdb ? Access Workgroup .mdw ? Access project .adp ? A
What is Expansion swap? At the time when any process needs more memory than it is currently allocated, the Kernel performs Expansion swap. To do this Kernel reserves enough spa
i want to know complete detail of 8086 microprocessor such as memory segment ,interface with ram rom ect
What is the basic approach of page replacement? If no frame is free is available, find one that is not currently being used and free it. A frame can be freed by writing its co
Define Process. Process: It is a program in execution; process execution should progress into sequential fashion. Process contains: program counter stack dat
The final selector is connected to the (A) calling subscriber. (B) switching network. (C) called subscriber. (D) li
Mutability and Accessibility of primary memory: Mutability: Read/write storage or mutable storage It provides permit ion for the information to be overwritten at
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