Quantum Computing

Q1. When two particles are entangled and it is observed that one has its spin up, how long does it take for the other’s spin to be down?

1 nanosecond
Instantaneously
1 microsecond
However long it takes light to travel between them

Q2. The square of a particle’s wave function describes the probability of what about the particle?

That it has a specific spin
That it is at a particular place
That it will disappear
That it will decay

Q3. What is an electricity?

transistors moving from one place to another
atoms moving from one place to another
protons moving from one place to another
electrons moving from one place to another

Q4. Max Plank's great discovery was that radiation energy is emitted in packets that he called what?

Quanta
Wave functions
Photons
Gamma Rays

Q5. What is the size of smallest computer parts are about?

An atom
A neutrino
A water molecule
A pin head

Q6. In the Heisenberg uncertainty principle, which two measurable properties of a particle cannot be observed precisely at the same time?

Spin and Color
Position and Momentum
Energy and Torque
Size and Speed

Q7. In polarisation, which 2 directions are used?

up/down
horizontal/ vertical
out/in
left/ right

Q8. What does transistor looks like a?

meter
switch
light
power source

Q9. Put in the right order from smallest to largest?

circuit chip, module, transistor, logic gate
circuit chip, module, logic gate, transistor
circuit chip, module, transistor, logic gate
circuit chip, transistor, module, logic gate

Q10. Which of these is not one of the four basic forces?

Momentum
Strong nuclear force
Gravity
Electromagnetism

Q11. What was the first antiparticle to be discovered?

X-ray
Antineutrino
Positron
Antiproton

Q12. In normal computers, what number make up the bits?

2,3
1,2
0,2
0, 1

Q13. What can qubits do?

Store less memory than bits
Store more memory than bits

Q14. What can databases calculate?

square root of the time with a quantum computer
1/2 the time with a quantum computer
1/4 the time with a quantum computer
1/3 the time with a quantum computer

Q15. That radiation and matter have properties both of particles and of waves is called what?

Confusion
Wave-Particle Duality
Entanglement
Mixing

Q16. Which keys are used for banking codes?

communal key and personal key
public key and personal key
bank key and home key
public key and private key

Q17. In quantum mechanics, the angular momentum of a particle is called what?

Orbital
Rotation
Spin
Swirl

Q18. The Dirac equation shows that every particle has what?

A duality
A matrix
A wave function
An antiparticle

Q19. In which way the quantum computers could help in simulating?

carbohydrates for medicine
proteins for medicine
fats for medicine

Q20. Niels Bohr used quantum mechanics to describe which element?

Carbon
Hydrogen
Helium
Zinc

Your Score

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DCA - Diploma in Computer Application

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