This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the purpose of the hexadecimal number following the 8085 IN or OUT instruction mnemonic? ... (Read 70 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Jul 28, 2018
What is the purpose of the hexadecimal number following the 8085 IN or OUT instruction mnemonic?
 
  A) It is the number of bytes being sent or received across the Data Bus.
  B) It is the name or identifier of the specific device the program is communicating with.
  C) It is the data being sent or received across the Data Bus.
  D) It is the number of binary bits being sent or received across the Data Bus.

Question 2

What register in the 8085 is used as the first operand of an arithmetic operation?
 
  A) the program counter B) the accumulator
  C) the temporary register D) the instruction register


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

whitcassie

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


joesmith1212

  • Member
  • Posts: 549
Reply 2 on: Jul 28, 2018
Wow, this really help

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Polar bears feed upon a number of marine mammals. They are currently at the centre of international Polar bears feed upon a number of marine mammals. They are currently at the centre of international
Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
Does everything in nature have a unique purpose (entelechy)? Does everything in nature have a unique purpose (entelechy)?
Mayan Number Mayan Number
Determination of the Number of Polygenes (n) Determination of the Number of Polygenes (n)
Number chart Number chart
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library