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Question:
a) Give three ways how to reduce cost in embedded systems.
b) What is a microcontroller? How is it different to a microprocessor?
c) Briefly comment on the "A" register and the "B" register of the 8051 microcontroller.
d) Explain when the "Timer Flag Interrupt" is called and what is the "Reset Interrupt".
Sing Flag If D7 ( bit left most bit) of accumulator (which some exceptions) is 1 as a result of any arithmetical or logical operations sign flag is set ( bit corresp
What do you mean by Bezier curve? Shown B0 (1,1), B1 (2,3), B2 (4,3), B3 (3,1) the vertices of Bezier polygon, calculate seven points on Bezier curve. Write in brief the differe
OUT Output Instruction This instruction is used send data byte stored in the accumulator to the output port whose address specified in the instruction. The instruction
singly excited magnetic systems
Q. The unit impulse response h(t) of a linear system is h(t) = 5e -t cos(2t - 30°). Determine H(s).
Q. Explain crossbar exchange, with all call processing steps and diagrams. Ans: The basic concept of crossbar switching is to provide a matrix of n x m sets of contacts with
Select the response describing the steady state effect of increasing the air gap for otherwise identical devices, one operating with constant DC voltage excitation and one with con
For a given logic family, consider VOL = 0.25V and VOH = 5 V . For a given circuit, VIL = 0.96 V and VIH = 2.18 V. Find the largest positive-going and largest negative-going nois
Why are the operating voltages of a CRT arranged so that the deflection plates are nearly at ground potential?
Address Bus The address bus is the group of 16 lines. It is used to carry the address of memory location and addresses of input and output ports as shown. It is a unid
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