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Problem:
(a) Use a simple example to explain what is meant by a finite state machine.
(b) Describe the time limit problem in an interrupt-driven system.
(c) A certain machine control has three push-button switches:
forward, stop and reverse. If the machine is moving forward it must be stopped before it can run in reverse. Likewise if it is running in reverse, it must be stopped before moving forward.
(i) Draw the state transition diagram
(ii) Draw a state table
(iii) Write the 8051 code to implement such a controller
(d) A system is planned to have four interrupts with the following specifications.
Calculate whether or not the system will be interrupt-bound.
QUESTION : a) A datagram of 3000 bytes has to travel over a network with a MTU size of 1000 bytes. Describe how fragmentation can be used to solve this problem. You should pr
1. For this project, assume that an organization has five servers. Server 1 has a TCO of $25,000, Servers 2 and 3 have a TCO of $37,000 each, and the remaining two servers— Servers
Question (a) Name 3 popular electronic mail access protocols? (b) i. What is DNS? ii. Briefly, describe what it does and how it works? iii. Why does DNS use a dist
Question: (a) Consider that you enter the given URL in the address bar of a popular web client and that both the client and server accepts HTTP version 1.1. i. What can be t
how would land elevation have canged if coronado had traveled 150 miles due west from what is today arizona instead of west toward new mexico
Question: a) Give two reasons why the building-block approach is favoured to the traditional network design approach. b) With reference to network monitoring parameters, dis
LEGAL, ETHICAL AND PROFESSIONAL ISSUES To minimize liabilities and reduce risks, information security practitioner should: • to understand current legal environment • to s
a) Calculate the CRC for the frame below: Frame: 1101011011 Generator: 10011 Message after appending 4 zero bits: 11010110110000 b) OSI refers to a system in which any
Convert (111011)2 to ( )10
which security protocols are predominantly used in web-based e-commerce
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