Microprocessors Interview Questions and Answers

Microprocessors Interview Questions and Answers: 1. What is a Microprocessor? Ans. Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. 2. What is microcontroller?…

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What is Low Frequency Compensation?

What is Low Frequency Compensation? The coupling or blocking capacitor tilts the amplifier response for step input. In Fig. 16.28, if a high value of resistance Rd is added in…

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Microprocessor Based Traffic Light Control

Microprocessor Based Traffic Light Control: Nowadays microprocessors are used to implement the traffic control system. Figure 10.62 shows the simple model of Microprocessor Based Traffic Light Control. The various control…

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Measurement of Physical Quantities

Measurement of Physical Quantities: Measurement of Physical Quantities is given by Displacement Measurement Strain Measurement Force Measurement Torque Measurement Pressure Measurement Temperature Measurement Water-Level Indicator Measurement and Display of Speed…

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Measurement of Electrical Quantities

Measurement of Electrical Quantities: Measurement of electrical quantities which includes Measurement of Voltage Measurement of Current Frequency Measurement Phase-Angle Measurement Power-Factor Measurement Impedance Measurement VA Measurement Power Measurement VAR Measurement…

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8253 Programmable Interval Timer

8253 Programmable Interval Timer: 8253 Programmable Interval Timer - In the process control system or automation industry, a number of operations are generally performed sequen­tially. Between two operations, a fixed…

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8255A Programmable Peripheral Interface

8255A Programmable Peripheral Interface: 8255 is a programmable peripheral interface IC and is a multiport input/output device. This is a general-purpose programmable I/O device, which may be used with many…

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8259A Programmable Interrupt Controller

8259A Programmable Interrupt Controller: 8259A Programmable Interrupt Controller - Microprocessor-based system design requires many I/O devices such as keyboards, displays, sensors and other components. These devices should receive servicing in…

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