MICROPROCESSOR AND MICROCONTROLLER

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INTRODUCTION TO MICROPEOCESSOR

MODEL OF MICROPROCESSOR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The disadvantage of the bus window technique is
A
both processors must know about bus window
B
both processors must know the address map
C
loss of effective local memory space
D
all of the mentioned
Explanation: 

Detailed explanation-1: -Explanation: The disadvantage of bus window technique is that both processors must know implicitly about the existence of a bus window, its size and the address map. It also results in loss of effective local memory space.

Detailed explanation-2: -Connection lines used to connect the internal parts of the microprocessor chip is called bus. There are three types of buses in a microprocessor − Data Bus − Lines that carry data to and from memory are called data bus.

Detailed explanation-3: -Explanation: The bus arbiter or 8289 takes care of bus access control functions and bus handshake activities.

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