QUESTION 31

Using 6 bits, in 2's complement notation, can we represent the following calculation

-31 - 1

		NO the answer (== -32) cannot be represented using 6 bits
		NO the answer (== -32) can be represented using 6 bits but one operand cannot
		YES

2.5 points

QUESTION 32

If A B and C are sets, with A = { 1, 2, 3 } and B = { a, b } and C = { Raleigh } how many relations with 5 tuples can be formed using the Cartesian product AxB ?

		25
		26
		6C5
		6P5

2.5 points

QUESTION 33

Using the public keys n = 91 and e = 5 , the encryption of of the message 11 is

		72
		47
		64
		37

2.5 points

QUESTION 34

Express the bit pattern 111001 011010 in dotted decimal notation

		48.25
		48.26
		57.32
		57.26

2.5 points

QUESTION 35

The phenomenon of a light ray bending as it passes through materials of different density is called

		Incidence
		Reflection
		Refraction
		Ray tracing