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Exam 1 16. In a byte-addressable computer, the address of a (32-bilt) word is aligned the (16A). The address is divisible by 2 (0 remainder) (168). The address is divisible by 4 (O remainder) (16C). The address is divisible by 8 (O remainder) (160). The address is divisible by 32 (0 remainder) 17. Why may reading an unaligned doubleword from RAM be slower tha n reading an aligned doubleword fros (17A). (178). (17C). (17D). Reading an unaligned doubleword may require reading two aligned doublewords Reading an unaligned doubleword may overlap an aligned doubleword An unaligned doubleword has more bits than an aligned doubleword The address of an unaligned doubleword has more bits than an address of an aligned doublew 18. Convert the 8-bit unsigned integer 1010 0101 to decimal. (18A) -37 (18B). -90 (18C). 149 (18D). 165 19. Convert the decimal integer 39 to an 8-bit unsigned integer. (19A). 0001 1101 (198). 0010 0111 (19C). 0011 1001 (19D). 0101 0010 20. Which instruction type specifies that a 2's complement integer will be sign extended and (20A). lb (20B). sd (20C). slli (20D). xor