TEQLMGE Technology

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docker image
This ensures that the application runs the same way, regardless of where the Docker image is deployed, be it on a developer's laptop, a test environment, or a production server.
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A Docker image encapsulates everything the application needs to run, including specific versions of libraries, system tools, code, runtime, and environment variables.
This ensures that the application runs the same way, regardless of where the Docker image is deployed, be it on a developer's laptop, a test environment, or a production server.
Virtual machine
The server that hosts VMs is often referred to as the "host machine," while the VMs are called "guest machines."
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Virtual Machines (VMs) are indeed a part of the server ecosystem, but they are not physical entities; they are software-based.
The host server's resources (like CPU, memory, and storage) are divided among the VMs running on it. The hypervisor manages this resource allocation, ensuring that each VM gets a portion of the host's resources.
library vs package
A library is a collection of pre-written code that developers can use to perform common tasks or operations without having to write the code from scratch. It's like a toolkit or a set of functions and procedures.
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A package can contain one or several libraries, along with additional resources
A package is a broader term that can refer to a library, a framework, or any set of code or resources bundled together. It can include libraries, executable programs, scripts, documentation, and other necessary files.
For deploying an Oracle Autonomous Database, the correct infrastructure option is:
VM or Oracle Cloud Infrastructure: While Oracle Autonomous Database runs on OCI, it's not typically deployed on a standard VM. It's designed to run on Oracle's Exadata platform for optimal performance and automation.
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Dedicated Exadata Infrastructure.
Oracle Autonomous Database can be deployed on a dedicated Exadata infrastructure, which is a specialized environment within Oracle Cloud Infrastructure (OCI).
What is a Qubit in Quantum Computing?
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A qubit is the fundamental unit of quantum information, analogous to a bit in classical computing. Unlike a bit, a qubit can exist in a state of superposition, representing both 0 and 1 simultaneously.
What is Quantum Entanglement?
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Quantum entanglement is a phenomenon where two or more qubits become linked and the state of one qubit instantaneously influences the state of the other, regardless of distance.
What is a Quantum Gate?
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A quantum gate manipulates the state of qubits, similar to how logic gates manipulate bits in classical computing. Quantum gates are the building blocks of quantum algorithms.
What is Quantum Parallelism?
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Quantum parallelism refers to a quantum computer's ability to evaluate multiple possibilities simultaneously due to the superposition of qubits, offering potential exponential speedups for certain calculations.
What is Quantum Decoherence?
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Quantum decoherence is the loss of quantum coherence, where qubits lose their quantum properties (like superposition and entanglement) due to interaction with their environment, posing a major challenge in quantum computing.
What is Shor's Algorithm?
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Shor's algorithm is a quantum algorithm for integer factorization that can theoretically break RSA encryption. It demonstrates an exponential speedup over the best-known classical algorithms for this problem.
What is Grover's Algorithm?
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Grover's algorithm is a quantum algorithm for searching unsorted databases. It provides a quadratic speedup over classical algorithms, significantly reducing search time.
What Happens During Quantum Measurement?
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During quantum measurement, the superposition of a qubit collapses to one of its basis states (either 0 or 1), with the probability determined by its quantum state before measurement.
What is Quantum Error Correction?
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Quantum error correction involves techniques to protect quantum information from errors due to decoherence and other quantum noise, crucial for reliable quantum computation.
What is Quantum Key Distribution (QKD)?
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QKD is a secure communication method that uses quantum mechanics to distribute encryption keys. Any attempt to eavesdrop on the quantum channel alters the quantum state, making eavesdropping detectable.
What is Post-Quantum Cryptography (PQC)?
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PQC refers to cryptographic algorithms that are secure against quantum computer attacks, based on mathematical problems hard for quantum computers to solve, like lattice-based and hash-based problems.
What is Quantum Supremacy?
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Quantum supremacy is the point where a quantum computer can perform a calculation that is practically infeasible for classical computers, demonstrating the potential advantage of quantum computing.
What is Quantum Teleportation?
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Quantum teleportation is a process by which the state of a qubit is transferred from one location to another, using entanglement and classical communication, without physically moving the qubit.
What is Quantum Non-Demolition Measurement?
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QND measurements are a type of quantum measurement that allows certain properties of a quantum system to be measured without causing the wave function to collapse, preserving the quantum state.
What is the No-Cloning Theorem in Quantum Mechanics?
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The no-cloning theorem states that it is impossible to create an exact copy of an arbitrary unknown quantum state, due to the fundamental principles of quantum mechanics.
Block Height
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The number of blocks in the chain between a given block and the very first block (the genesis block) in the blockchain.
Genesis Block
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The very first block in a blockchain, used as the starting point. In Bitcoin, the genesis block was created by Satoshi Nakamoto in 2009.
Bitcoin Cap
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The maximum limit of bitcoins that will ever exist, which is 21 million. This cap is built into Bitcoin's protocol to prevent inflation.
Nonce
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A number that miners adjust in the block header during the mining process to find a valid hash that meets the network's difficulty target.
Difficulty Target
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A value that a block's hash must be less than or equal to for the block to be added to the blockchain. It adjusts to maintain a 10-minute block creation time.
210,000 Blocks
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The number of blocks after which Bitcoin's block reward halves. This event occurs approximately every four years.
256-bit Hash
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The length of the hash produced by the SHA-256 algorithm used in Bitcoin. It offers a vast range of possible combinations, enhancing security.
10 Minutes
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The average time it takes to mine a single Bitcoin block. The network's difficulty adjusts to maintain this interval.
SegWit (Segregated Witness)
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A protocol upgrade that increases block capacity by removing signature data from the main block structure. It helps in improving scalability and reducing fees.
Lightning Network
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A 'layer 2' payment protocol layered on top of Bitcoin, enabling faster and cheaper transactions by moving transactions off the main blockchain.
64-Digit Hexadecimal Number
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The format of a Bitcoin block hash, represented as a 64-character long string containing numbers and letters from a-f.
P2P (Peer-to-Peer) Network
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A decentralized network architecture in Bitcoin where participants (nodes) share data directly without a central server.
Satoshi Nakamoto
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The pseudonymous person or group of people who created Bitcoin. The identity of Satoshi Nakamoto remains unknown.
UTXO (Unspent Transaction Output)
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The amount of digital currency remaining after a cryptocurrency transaction; these UTXOs are tracked by the blockchain and used to process new transactions.
51% Hash Rate Control
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A situation where a single entity possesses over half of the total mining power, potentially allowing them to conduct a 51% attack on the network.
1 MB Block Size Limit
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The original block size limit in Bitcoin, which constrained the number of transactions that could fit into a block. It was a key factor in the scalability debate.
Multi-Signature Wallets
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Wallets that require multiple private keys to authorize a Bitcoin transaction, providing an additional layer of security.
Merkle Tree
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A data structure used in Bitcoin to efficiently summarize all the transactions in a block by producing a single digital fingerprint (Merkle root) of the combined transactions.
Bitcoin Improvement Proposals (BIPs)
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Proposals submitted by developers for improvements to the Bitcoin protocol. BIPs are an essential part of the decentralized development process.
Satoshi (Unit)
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The smallest unit of Bitcoin, named after its creator. One satoshi is one hundred millionth of a single bitcoin (0.00000001 BTC).
What achievement is the Commodore VIC-20 known for?
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It was the first computer to sell more than a million units.
What made the Sinclair ZX81 (Sinclair 1000) popular?
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Its affordability at $99, despite being underpowered with only 1KB of RAM.
Why is the Commodore 64 significant in computer history?
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Touted as the most popular computer of all time, it featured a 1MHz CPU and 64 KB of RAM.
What are the key features of the IBM PC 5150?
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It had a 4.77 MHz 16-bit Intel 8088 processor and 16KB of RAM, priced between $1500 and $3000.
What distinguished the NEC PC 9800 series?
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It was Japan's answer to IBM's PC, featuring a 5 MHz Intel 8086 CPU and 128KB of RAM.
What was notable about the Sinclair ZX Spectrum?
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It combined low cost, 16KB of RAM, and a 3.5 MHz CPU, becoming a popular household PC.
What advancements did the Amiga 500 introduce?
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A 32-bit CPU at 7MHz, 512KB of RAM, support for 4096 colors, and an internal 3.5-inch floppy drive.
What was the significance of the Apple iMac in Apple's history?
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It marked the beginning of a new era with a new design and marketing strategy, rescuing Apple from previous flops.
What was unique about the Mac Mini when it was first introduced?
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It was the first Mac to ship without a monitor or keyboard, targeting PC users and living room usage.
What makes the Raspberry Pi stand out in the computer market?
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Its popularity as a desktop computer due to its tiny size and price under $40, used for applications in science, robotics, and engineering.
What are the differences between HDDs and SSDs?
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HDDs use magnetic storage with spinning platters, are larger, slower but cheaper with higher capacities. SSDs use flash memory, are faster, more durable, compact, and silent but more expensive.
What are the roles of Soldering Technicians in electronics manufacturing?
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Component soldering, inspection and repair of solder joints, assembly rework, and operating soldering equipment.
What are the responsibilities of Electronic Assemblers?
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Assembling components onto PCBs, following schematics, wiring, and final assembly of electronic products.
How do transistors control high power despite their small size?
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Through efficient switching, material properties, heat dissipation, circuit design, and power distribution strategies.
What types of skilled tradesmen support China's electronics manufacturing sector?
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Electronic assemblers, soldering technicians, quality control inspectors, machine operators, PCB designers, test technicians, engineers, maintenance technicians, assembly line workers, supply chain specialists, and R&D specialists.
What components did transistors replace in electronic circuits?
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Vacuum tubes, relays, electromechanical switches, mercury delay lines, magnetic drums, and in some applications, diodes.
What modern devices still use magnetic storage technology?
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Modern Hard Disk Drives (HDDs) continue to use magnetic storage technology, storing data on spinning platters coated with a magnetic material.
What are the main functions of transistors in electronic circuits?
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Switching, amplification, voltage regulation, signal modulation, oscillation, digital logic gates, memory storage, signal filtering, current sourcing and sinking, impedance matching, sensing and detection, protection circuits.

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