a. Briefly explain the differences between MIC and GPGPU multicore systems. (5 MARKS) b. The…

Briefly explain the differences between MIC and GPGPU multicore systems.

(5 MARKS)

The hypothetical machine is used to simulate the program execution excluding the use of MAR and MBR to simplify operation.

Program counter (PC) = Address of instruction Instruction register (IR) = Instruction being executed Accumulator (AC) = Temporary storage

The 12-bit address identifies a particular I/O device. Using the partial opcode given, show the program execution using the format of Table Q1(b) for the following program:

Partial opcode

0011 = Load AC from I/O

0101 = Add to AC from memory 0111 = Store AC to I/O

0100 = Store AC to memory

0001 = Load AC from memory 1000 = Add to AC from I/O

Program Instructions:

A data from device 005 is to be moved to AC. Then a data from memory location 760 is to be added to AC. The result of this operation is to be stored to memory location 761. Then a data from memory location 762 is to be moved to AC. Add data

from device 006 to AC. The result is to be stored at device 005.

(25 MARKS)

Table Q1(b)

Memory		CPU Registers
300		300	PC
……		……	AC
……		……	IR

760	0002	I/O	Data
761	0001	005	0003
762	0007	006	0001

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