Quantum computing
- 2. QUAUNTAM COMPUTERS CREATED By SALMAN JILANI
- 3. REALITY OR ILLUSION Do you really know what is reality ???? In Daily Life what you see what you feel, what you touch Fragrance, smell, colors, taste , joy, sorrow all are interpretation of your mind Every Working of our brain neurons based on electric pulses Every new memory makes a circuit for electric pulse For Example think about compiler translate high level language into low level language Computer don't know HLL it Only understand Machine Language but what the compiler translate for it
- 4. MULTIVERSE The multi verse (or meta-universe) is the hypothetical set of finite and infinite possible universes, including the universe we live in. Together, these universes comprise everything that exists the entirety of space, time, matter, energy, and the physical laws and constants that describe them. The various universes within the multi-verse are called "parallel universes" or "alternate universes."
- 5. QUANTUM COMPUTER???? Quantum computing is the area of study focused on developing computer technology based on the principles of quantum theory, which explains the nature and behavior of energy and matter on the quantum (atomic and subatomic) level. Development of a quantum computer, if practical, would mark a leap forward in computing capability far greater than that from the abacus to a modern day supercomputer The quantum computer, following the laws of quantum physics, would gain enormous processing power through the ability to be in multiple states, and to perform tasks using all possible permutations
- 6. HOW QUANTUM COMPUTERS WORK A Classical computer perform operation using Classical bits Which can be Either 0 OR 1 , ON OR OFF Quantum computers use Quantum bits as Known as Qubits A Qubit can be both 0 OR 1 at the Same time that’s why quantum computer has superior computing Power oThere are a number of physical object that can be used as oQubit, a Single photon , nucleus and Electron
- 7. HOW QUBITS WORKS All Electrons have magnetic Field So they basically like tiny Bar Magnets Quantum computer use a property SPIN to make Qubits in 0 or 1 form If you place a Electron in magnetic field it will align with magnetic Field Like a campus align with the magnetic field of Earth and this is the lowest Energy state so you can call it 0 state or we call it Electron SPIN DOWN Spin Down
- 8. You can Put it on 1 state or SPIN UP but that take some energy If you took off the Glass from your compass you can Turn the needle other way but you have to Apply some force And that is the Highest Energy state 1 or SPIN UP Now if you want to write information on Qubit you can put the Electron In SPIN UP state by Hitting it with the pulse of Microwave That Pulse need to be a Very specific frequency SPIN UP
- 9. SUPERPOSITION The interesting thing About Quantum objects they can be in both states at once Now when you measure the SPIN it will be either UP or DOWN Before You measure it the Electron can exist in what we call Quantum superposition To Find prime factors of 2048-bit number a Classical computer takes millions of years but a quantum computer do it just minutes and that is because quantum computer build on qubits these devices take advantage of superposition to reduce the number of steps to complete the computation
- 10. Now a Single Qubit contain 2-bits and 2 qubits have 4-bits but 3 qubits have 8-bits of information 4 with first two Electrons and 4 with Last two Electrons So the number of classical bits can be found by formula 2n where n is equal to number of Qubits so only 20 qubits can contain 1048,576 bits