INTRODUCTION TO MICROPEOCESSOR
MICROPROCESSOR TERMINOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In order to access data from IO devices, following instructions used ____
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MOV and MVI
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LDAX and STAX
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IN and OUT
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LDA and STA
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Explanation:
Detailed explanation-1: -A transfer from I/O device to memory requires the execution of several instructions by the CPU, including an input instruction to transfer the data from device to the CPU and store instruction to transfer the data from CPU to memory.
Detailed explanation-2: -I/O devices can be connected to a computer through a single bus which enables the exchange of information. The bus consists of three sets of lines used to carry address, data, and control signals. Each I/O device is assigned a unique set of addresses.
There is 1 question to complete.