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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.
Q. What are the applications of JFET? · FET is used as a buffer in measuring instruments, receivers since it has high input impedance and low output impedance. · FET's are u
\ Transistor voltmeter (TVM) : a simple diagram of TVM using two transistors in the bridge configuration is as shown. TVM is provided by using transistor bridge circuits. In b
History - Field-Effect Transistor: The principle of field-effect transistors was very first patented by Julius Edgar Lilienfeld in the year 1925 and by Oskar Heil in the year
Determine Total magnetic flux: A ring is composed of three sections. The cross-sectional area is 0.001 m2 for each section. The mean lengths of each section are l a = 0.3 m,
The winding of an electromagnet has an inductance of 3H and a resistance of 15?. When it is connected to a 120 V d.c. supply, Determine: (a) the steady state value of current f
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Direct Addressing In this addressing mode one of the operands is the data stored in the memory. The memory address of the operand is directly given in the instruction
Q . Materials that can store electrical energy are called (A) magnetic materials. (B) semi conductors. (C) dielectric materials. (D) super conductors. Ans: C
Direct data addressing mode (with examples) available in microprocessors. Direct Mode: Instruction comprises memory access. CPU accesses which location into memo
Q. Determine the Thevenin resistance viewed from terminals A-B of the circuit of Figure by setting independent sources to be zero and applying a test voltage at terminals A-B.
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