Q4/A / Fill in the blanks for the following ( 5 Marks ) 1- LDS instruction is stand for 2- To access a memory of ( 64 KB ), it's required address line 3- The speed of a memory chip is referred as 4- The machine language is a .level language 5- In 8086 microprocessor, the instruction code is stored in segment memory. ( 10 Marks) B /Draw the internal block diagram of 8086 microprocessor and explain the functions of bus interface unit