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Questions:
a) One common characteristic of Embedded Systems is that they need to be dependable. Name and describe any three aspects which encompass dependability.
b) Name and describe any three different metrics which are used to evaluate the efficiency of embedded systems.
c) Give one advantage and one disadvantage of using Memory Mapped I/O
d) Computers can make decisions about events that the programmer can Foresee. Name any three decision opcodes which facilitates this task.
Define Johnson Counters to Make Simpler Combinational Logic? The ring counter technique able to be efficiently utilized to implement synchronous sequential circuits. A main pr
Q. Show Elementary Synchronous Machines? The polyphase synchronous machine operates with direct current supplied to the field winding (assumed to be on the rotor, which is usua
An interrupt which can be never be turned off (ie. disabled) is called as Non-Maskable interrupt.
Q. A three-phase ac motor, used to drive a draft fan, is connected to a 60-Hz voltage supply. At noload, the speed is 1188 r/min; at full load, the speed drops to 1128 r/min. (a
Series-Parallel Magnetic Circuit: Figure shows an electromagnet made of cast steel contain a coil of 500 turns wound on the central limb. The cross-sectional area of the outer
RE should be made large enough to swamp out rB/ B. how does making RE large saturate the transistor b
A network function is given by (a) For x(t) = δ(t), obtain y(t). (b) For x(t) = u(t), obtain y(t). (c) For x(t) = e -4t , obtain y(t). (d) Express the differenti
Q. What is the need for bias stabilization in BJT? BJT or bi-polar junction transistor is a three terminal, two junction semiconductor device and the conduction is due to the m
Q. A particular BJT has a nominal value of α 0.99. Calculate the nominal β.If α can easily change ±1%, compute the percentage changes that can occur in β.
what is working of dc machines?
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