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1. What factors should be considered when selecting a digital encoder (line codes)? Briefly mention five of those factors. Use sketches and additional text to describe the following encoding techniques: NRZ-L, Bipolar-AMI, Manchester, HDB3, B8ZS and 4B/5B. Your description of each technique should include the encoding rule, advantages and disadvantages. No mathematical equations are necessary.
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate Traf
What is called PCP? The phenomenon of un-decidability is not confined to problems concerning automata. An un-decidable problem concerning on simple manipulation of strings is k
How Online Databases Work? An online or web-based database keeps data on a cloud of servers somewhere on the Internet, which is accessible by any authorized user with an Intern
#question.Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, the
Q. Creating a New Directory in DOS? You can create any directory under any directory in the hard disk or floppy disk. The command to create a new directory is MKDIR or MD. To c
Q. Explain High performance of Instruction execution? High performance of Instruction execution: While mapping of HLL to machine instruction the compiler favours relatively sim
How does CPU know that an interrupt has taken place? There needs to be a line or a register or status word in CPU which can be increased on occurrence of interrupt situation.
(i) Compiler and Interpreter: These are two types of language translators. A compiler changes the source program (user-written program) into an object code (machine language b
Q. Explain what is Internal Modems ? Internal Modems: Internal Modems plug in expansion slots in your PC. Internal Modems are efficient andcheap. Internal Modems are bus-specif
What is fan-out? Estimate the average count of every "many" association encountered with the path. Multiply the individual fan-outs who obtain the fan-out of the whole path, wh
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