Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 All the above.
 Instruction fetch.
 Instruction decoding.
 Arithmatic and Logic operations.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
In a vector interrupt

 none.
 the branch address is assigned to a fixed location in memory.
 the branch address is obtained from a register in the processor.
 the interrupting source supplies the branch information to the processor through an interrupt vector.

ANSWER DOWNLOAD EXAMIANS APP