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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.
how many pins does a floppy drive connector have
What is ROM? Ans: ROM: It is called Read Only Memory, is a Permanent or Semi-permanent Memory. The data is permanently stored and cannot be changed, in Permanent ROM. Th
Q. Interrupt - Driven Input-output? Problem with programmed I/O is that processor has to wait a long time for I/O interface to see whether a device is free or waits until compl
What is a Data Class? The Data class verifies in which table space the table is stored when it is formed in the database
What is the difference between = = = and = = ? output of "==" can be 1, 0 or X. output of "===" can only be 0 or 1. When you are comparing 2 nos using "==" and if one/bo
what is meant by scan conversion?
An identification method notifies Robot how to recognize the values to compare during record and playback.
Discuss the advantages of Firewalls Firewalls also offer additional protection to local users who like to browse or surf out from the Intranet to the Internet, by acting as pro
Explain Combinational logic circuits Ans. Combinational logic circuits:- (i) Outputs only depend upon present state of the input. (ii) No memory element present or no f
Explain with the help of Nyquist theorem, the data rate limitations in PSTN's. Data rates in PSTNs : A voice channel in a public switched telephone network is band restricted
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