Test Your Knowledge

What is the product state vector of the following binary value: 110?

• [0 0 0 1 0 0 0 0]
• [0 0 0 0 0 1 0 0]
• [0 0 0 0 0 0 0 1]
• [0 0 0 0 0 0 1 0]

What is the probability that the product state vector to the right collapses into [-1/8 √15/8 -√3/8 3√5/8 ] the sequence of bits, 01?

• 1/64
• 15/64
• 3/64
• 45/64

Which is the following is a protocol used in quantum key distribution?

• BB84
• DD32
• EE63
• GG27

If Alice sends Bob a photon of vertical spin, what is the probability that Bob will measure a photon of vertical spin? (assume there’s no eavesdropper)

• 50%
• 75%
• 25%
• 100%

If Alice sends Bob a photon with -45° spin and Eve intercepts it, by passing it through a rectilinear filter, what is the probability that Bob will measure a photon with -45° spin?

• 50%
• 75%
• 25%
• 100%

What kind of algorithm is needed to produce truly random numbers?

• Non-dynamic
• Non-greedy
• Non-heuristic
• Non-deterministic

What is the biggest limitation for quantum computers?

• Cost
• Noise
• Size
• Materials