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Explain isolated I/O scheme.
In I/O mapped I/O scheme the addresses allocated to memory locations can also be assigned to I/O devices. Because the same address may be assigned to an I/O device or a memory location, the microprocessor should issue a signal to distinguish when the address on the address bus is for an I/O device or a memory location.
Explain pnp transistor circuit . pnp transistor: A transistor consist of three terminals. In this pnp transistor there is two blocks of p- type semiconductors that are separa
Q. The input to the differentiator circuit is a sinusoidal voltage of peak value 5mv and frequency 1kHZ. find out the output if R=100K and C=10^-6F Solution. The equation
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Explain the difference between a microprocessor and an embedded microcontroller
Q. Define Integrated circuits? For the fabrication of semiconductor circuits, there are three distinct technologies employed: 1. Discrete-component technology, in which each
RST Restart Instructions Restart instructions are one byte call instructions. Called location for each restart instruction is predefined on page 0 ( read only memory). They
1. Introduction: Theory: Amplitude is defined as the magnitude of the change in the oscillating variable with each oscillation within an oscillating system. It is calculated as
Give the layout of a modern steam power plant and illustrate it briefly. With the help of schematic diagrams illustrate the construction and basic working of closed cycle and op
Ferroelectric materials are characterised by (A) Very high degree of polarisation. (B) A sharp dependence of polarisation on temperature. (C) Non-linear dependence o
Discuss the need of PCI bus. Peripheral Component Interconnect (PCI): It was developed by Intel and introduced in 1993 year. This is geared particularly to fifth- and sixth-
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