16. How many bits does a 256 x 4 memory chip store? Can this chip be specified as 128-byte memory? 17. If the 8085 has fetched the machine code located at the memory location 205FH, specify the contents of the program counter. 18. The memory address of the last location of an 8K-byte memory chip is FFFFH. Find the starting address. 19.The memory map of a 4K (4096)- byte memory chip begins at the location 2000H. Specify the address of the last location on the chip.