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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.
What is the position of the Stack Pointer after the POP instruction? Ans) The address line is 02 greater than the previous value.
The resistance of a 5 m length of wire is 600Ω.Determine: a) the resistance of an 8 m length of the same wire, b) the length of the same wire when the resistance is 420Ω
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explain appropriate first aid procedure to be followed in case of electric shock
SUB Subtract Instruction This instruction is used to subtract the contents of any register or memory location from the contents of accumulator. There are two formats as
Charging of the capacitor: Considering the below diagram, with slight approximation the ripple voltage can be supposed as triangular. To the cut-out point from the cut-in poin
Q. Mention some characteristics of transistors? · When a NPN transistor is working, there is always a constant 0.6 volt drop between the base and emitter, i.e., the base is alw
Explain immediate data addressing mode (with examples) available in microprocessors. Immediate Mode: The operand given in immediate mode is the actual data itself.
Q. Write a short note on heat sink For transistors handling small signals ,the power dissipated at the collector is small.Such transistors have little chances of thermal runawa
Design a Mealy system whose output is 1 iff there have been exactly two 1's followed by a 0 and then a 1. (a) Assume overlapping is allowed (b) Assume overlapping is not
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