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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".
advantages and disadvantages
Q. A 25-kVA, 2400/240-V, 60-Hz, single-phase transformer has an equivalent series impedance of 3.45 + j5.75 referred to the primary high voltage side. The core loss is 120 W. Whe
Note, the armature current is produced in pulses as the armature rotates under the poles, so the torque also pulsates. This can give rise to extra wear on bearings and the engin
Explain the difference between a microprocessor and an embedded microcontroller
The various flags are: - Sign flag, Axillary flag, Zero flag, Parity flag, Carry flag.
Q. Can you explain Twos complement addition? 2's Complement Addition Two's complement addition follows the same rules as binary addition. For example, 5 + (-3) = 2
Given an n-channel enhancement MOSFET having V T = 4V, K = 0.15 A/V 2 , I DQ = 0.5A, V DSQ = 10 V, and V DD = 20 V. Using the dc design approach outlined in this section, dete
Hybrid Meters These meters have electronic measurement circuits but show is by impulse counters/stepper motors. Accuracy is classically class 1.0 or 2.0 and commonly these met
Q. What do you mean by Dial Pulses? Dial Pulses: Dial pulsing (many times known as rotary dial pulsing) is the method originally used to transfer digits from a telephone set
The rotor of a wound-rotor induction motor is rewound with twice the number of its original turns,with a cross-sectional area of the conductor in each turn of one-half the original
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