Question 1: Answer each of the following briefly: (5 Marks) a) Which memory mode addressing only the first 1M byte of memory spaceeven in Pentium 4 or Core2 microprocessor? b) In computer systems, which bus type requests a memory location from the memory or an I/O location from the I/O devices. c) What is the name of a collection of tracks located in the same location on a set of hard disk surfaces? d) Is it true or false that most computer operations are executed in the arithmetic and logic unit (ALU) of processors? e) Which instruction reads a data operand from a processor register to memory or an output device. 1) When multiple processing units are fabricated on a single chip, what does this processor called? g) What is the name of time that is the sum of the seek time and the rotational delay time in magnetic hard drives? h) Is it big-endian or little-endian addressing assigns lower byte addresses to more significant (leftmost) bytes of the word? i) Which addressing mode is considered as the least used addressing mode? j) In 32-bit microprocessors, what is the memory space that can be addressed