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Explain the method to identify the Object Classes
You would always be careful while identifying relevant object classes from application domain. Objects may include physical entities in a system like department, employees, buildings etc. Classes must make sense in application domain. At this phase you should avoid computer implementation constructs, such as subroutines and linked lists.
Several classes are implicit in application domain, so you need to find out by understanding problem well.
Explain the access methods used in LANs. Access methods utilized in LAN: i. Switched access: this is used in LANs which are assigned around CBXs. Electronic switching
World Wide Web (WWW) began as a text-only medium. First version doesn't even have the capability to include graphics on a page. Today's Web sites include sound animation, graphics,
design a gray to bcd code converter using 16:1 de multiplexe
Handshake packets: Handshake packets consist of nothing but a PID byte, and are usually sent in response to data packets. The 3 basic types are, NAK, indicating that the data
DRAM consists of MOSFET's but the technique is to use the drain source capacitance to hold charge. If charge is present logic '1' is held, no charge logic '0'. As you know capacito
Explain MDR and MAR. The data and address lines of the external memory bus linked to the internal processor bus by the memory data register, MDR and the memory address register
Q. Define General Purpose Register Architecture? General Purpose Register (GPR) Architecture: A register is a word of internal memory similar to the accumulator. GPR architec
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What is a semaphore? Semaphore: It is a synchronization tool which gives a general-purpose solution to controlling access to critical sections.
what is the operations in atree structured directory.
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