How many bit combination are there in a byte?

Correct Answer: IEEE 1394 (Firewire) supports the maximum of 63 connected devices with speeds up to 400 Mbps

Correct Answer: Accumulator register, Temporary register, Instruction register, Stack Pointer, Program Counter are the various registers in 8085

Correct Answer: LIFO (Last In First Out) stack is used in 8085 In this type of Stack the last stord information can be retrieved first

Correct Answer: The Micro Processor enters into Halt-State and the buses are tri-stated

Correct Answer: Three Logic Levels are used and they are High, Low, HIgh impedance state The high and low are normal logic levels & high impedance state is electrical open circuit conditions Tri-state logic has a third line called enable line

Correct Answer: There are three types of buses Address bus: This is used to carry the Address to the memory to fetch either Instruction or Data Data bus: This is used to carry the Data from the memory Control bus: This is used to carry the Control signals like RD/WR, Select etc

Correct Answer: An interrupt that can be turned off by the programmer is known as Maskable interrupt

Correct Answer: An interrupt which can be never be turned off (ie disabled) is known as Non-Maskable interrupt

Correct Answer: Bus Interface Unit and Execution unit, are the two different functional units in 8086

Correct Answer: Execution Unit receives program instruction codes and data from BIU, executes these instructions and store the result in general registers