Questions

Because there is no need address traansaction between processor and peripheral device but data bus is needed because data has to be read and write

Entity is a real world object

The organ which filters blood in human body are kidneys.

The two most widely recognized tools used to influence a Nation's Economic activity are Monetary policy and Fiscal policy.

• Monetary policy is primarily concerned with the management of interest rates and the total supply of money in circulation and is generally carried out by central banks

• Fiscal policy is the collective term for the taxing and spending actions of governments.