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Understanding Power Supply, Frequency Signals, and Address/Data Bus in Processors

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Understanding Power Supply, Frequency Signals, and Address/Data Bus in Processors

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Questions and Answers

Which signal is used by the microprocessor to determine if it should wait for an IDLE state or continue execution?

DEN

$\overline{TEST}$ (correct)

INTA

DT/R

What does the MN/$\overline{MX}$ signal indicate when it is high?

Interrupt acknowledgement

Minimum mode operation (correct)

Maximum mode operation

Data transmission

Which signal is responsible for enabling the Transreceiver 8286?

DT/R

DEN (correct)

M/IO

What is the purpose of the WR signal available at pin 29?

Write data into memory or output device Signup and view all the answers

Which signal indicates that external devices are requesting to access the address/data buses?

HOLD Signup and view all the answers

What is the function of ALE signal available at pin 25?

Generate positive pulse at the start of operations Signup and view all the answers

What is the purpose of the Clock signal in a microprocessor?

Provide timing for processor operations Signup and view all the answers

Where is the BHE (Bus High Enable) signal available and what is its function?

Pin 34, indicates the transfer of data using higher order bytes Signup and view all the answers

When does the Address/data bus AD0-AD15 carry 16-bit data?

During the first clock cycle Signup and view all the answers

What is the function of the RESET signal in a microprocessor?

Terminate the present activity of the processor Signup and view all the answers

Where is the Ready signal available and what does it indicate?

Pin 22, acknowledgement signal from I/O devices that data is ready for transfer Signup and view all the answers

What is the function of the INTR signal in a microprocessor?

Handle interrupt request Signup and view all the answers