1. what computer architecture is this?

2. Looking at the memory comtents, what is the word size?

following assembly-language instructions LDR LDR r2, r3, [r4,#8] [r4,#16] Main memory Word Starting Word address offset 0x0 offset 0x8 0x00 0x10 Ux20 0x30 0x40 3 13 17 15 19 23 0x50 21 25 27 29 Ox60 0x70 0x80 0x90 31 33 35 39 37