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Please check the use case diagram I have drawn for the following system. I really want to request you to check the part of the Catalog System, Inventory System and Bar Code Reader. Is it necessary to draw that parts in the diagram? Is there any mistake in that parts …
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hello I have found that the advantages and dis of star topology are as follows. Advantages of a Star Topology • Easy to install and wire. • No disruptions to the network when connecting or removing devices. • Easy to detect faults and to remove parts. Disadvantages of a Star …
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I have been studying that question and try to answer. Consider a LAN to which 10 host interfaces and three routher interfaces are attached.Suppose all three LANs use class C addresses.The IP addresses for the 13 devices will be identical in which of the firsr 32 bits? The correct answer … |
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hello! I tried to answer the sample question and I have to name the osi layers which do the following functions. Please check my answer and correct if it is wrong. 1.Communicate directly with user’s application program Application Layer 2. Error correction and retransmission Data link layer 3. Mechanical, electrical …
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The advantage and disadvantage of BPSK as compared to ASK is BFSK has some advantages in complexity that become more striking when synchronization issues are considered. Disadvantages towards efficient use of BPSK modulation constitutes a significant improvement in digital data paging systems. Is my answer correct? Can someone please reply … |
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[I][/I]Hi Everybody I am writing a socket program on a smart device. What I am trying to write is when client connect wit server, server send the file name that cllent can download. Then client must choose one file name and send that file name to server. Then the server …
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hello! I like to define the Distance class and overload binary + operator to add the two distances using friend function. my program is here. But it does not work. The error message said that "undefined symbol feet". What is the problem? [code] #include<iostream.h> class Distance { int feet; float …
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Hello! I am writing a program to overload ~ operator to reverse the given string. Here is my program. The problem message is that"Could not find a match for string::string(char). I am writing my program on linux. I can not use strrev function. [code] #include<iostream.h> #include<string.h> class String { char …
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Hello everybody! I would like to know "how to link header file (.h file ) and source file (.c file ) in c. I have downloaded many .h files and .c files. I have noticed that the functions are declared in .h files and denined in .c files. I don't … 
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