MICROPROCESSOR AND MICROCONTROLLER

IO AND MEMORY INTERFACE

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In every transfer, selection of register by bus is decided by:
A
Control signal
B
No signal
C
All signal
D
All of above
Explanation: 

Detailed explanation-1: -A bus consists of a set of common lines, one for each bit of register, through which binary information is transferred one at a time. Control signals determine which register is selected by the bus during a particular register transfer.

Detailed explanation-2: -The transfer of information from a bus into one of many destination registers can be accomplished by connecting bus lines to the inputs of all registers and activating load control of selected destination.

Detailed explanation-3: -Data Transfer from one register to another register is represented in symbolic form by means of replacement operator. For instance, the following statement denotes a transfer of the data of register R1 into register R2.

Detailed explanation-4: -Introduction. Bus Transfer is the most efficient way to transfer data. The data transferred in the bus transfer is collected using bus lines. Similarly, the transfer of data from the memory unit to the outside environment and vice versa is known as memory transfer.

There is 1 question to complete.