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Explain briefly how firewalls protect network.
A firewall is simply a program or hardware device that filters the information coming by the Internet connection into your private network or computer system. If an incoming packet of information is flagged by the filters, it is not permitted by the network.
Considering the fact that a lot of research has been done concerning e-commerce, what has been brought in this work is that there has been a lot of facts, studies, and experiments.
First-Order Models - Artificial intelligence: We proposed first-order logic like good knowledge representation language rather than propositional logic because it is more expre
Define user space? The system space is divided from virtual address space in which the user application programs reside. The letter space is known as user space.
Q. Illustration of a demon program? When the PVM initialize it inspects the virtual machine in that it's to operate and creates a process known as PVM demon or simply pvmd on e
Determine reduced Boolean equation and the Karnaugh Map? Illustration : Determine reduced Boolean equation and the Karnaugh Map for the truth table shown below:
What is meant by hide area? The hide command temporarily kept the contents of the field at the present line in a system-controlled memory called as the HIDE AREA. At an intera
Draw and illustrate the block diagram of DMA controller. Also discuss the various modes in which DMAC works. Direct memory access (DMA) is a process in that an external device
Why a task can n ot return a value? If tasks can return values then Let's take a look at the below example. A=f1(B)+f2(C); and f1 and f2 had delays of say 5 and 10? Whe
Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri
A program is backward compatible if it can use files from an older version of itself. For a file saved in the program to be backward compatible, it must be possible to open the fil
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