Look at the engine specifications listed below.   4-cylinder in line   displacement = 2.5 liters   dohc 16 valve   140 bhp/7500 rpm   190 foot-lbs/6000 rpm   efi fuel system   compression ratio 8: 1 technician a says the engine described uses a fuel mixture of eight parts air to one part fuel. technician b says the engine described in the figure contains four valves per cylinder. which one of the following statements is correct? a. only technician b is correct. b. both technician a and technician b are correct. c. neither technician a nor technician b is correct. d. only technician a is correct.

Write a program called assignment3 (saved in a file assignment3.java) that computes the greatest common divisor of two given integers. one of the oldest numerical algorithms was described by the greek mathematician, euclid, in 300 b.c. it is a simple but very e↵ective algorithm that computes the greatest common divisor of two given integers. for instance, given integers 24 and 18, the greatest common divisor is 6, because 6 is the largest integer that divides evenly into both 24 and 18. we will denote the greatest common divisor of x and y as gcd(x, y). the algorithm is based on the clever idea that the gcd(x, y) = gcd(x ! y, y) if x > = y and gcd(x, y) = gcd(x, y ! x) if x < y. the algorithm consists of a series of steps (loop iterations) where the “larger” integer is replaced by the di↵erence of the larger and smaller integer. this continues until the two values are equal. that is then the gcd.

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In deadlock avoidance using banker’s algorithm, what would be the consequence(s) of: (i) a process declaring its maximum need as maximum possible for each resource. in other words, if a resource a has 5 instances, then each process declares its maximum need as 5. (ii) a process declaring its minimum needs as maximum needs. for example, a process may need 2-5 instances of resource a. but it declares its maximum need as 2.