Algorithms: Definition, History, Types, and Characteristics
What is an Algorithm?
An algorithm is a finite set of precise instructions that perform a task, which, given an initial state, will end after producing a recognizable end state.
What is the Order of Algorithm Execution?
The order of execution will almost always be critical for its operation. Generally, it is assumed that explicit instructions are listed explicitly and must run from top to bottom.
Provide Examples of Algorithms
- Instruction manuals (user manuals)
- Euclid’s algorithm for calculating the greatest
Node.js Streams, MVC, Sessions, Express, CORS, and React Hooks
Understanding Streams in Node.js
A stream in Node.js is a collection or a sequence of data that is processed in a continuous flow. Streams are essential concepts for handling reading and writing of data in chunks rather than loading the entire data at once. Unlike an array or a string, the entire data in a stream object is not stored at once in memory. Instead, a single chunk of data from the stream is brought into memory at a time. This makes streams more efficient.
Streams are particularly useful
Read MoreUnderstanding Bandwidth, Coaxial Cable, and Fiber Optics
Bandwidth
This speed should be understood as the ability to send and receive bandwidth information provided by the telephone company. The bandwidth is the amount of information that can be transmitted through a connection per unit time. It is usually measured in bits per second. The more bandwidth, the more data can be sent and received.
A connection with high bandwidth is one that can carry enough information to sustain the succession of images in a video presentation. Communication is usually a
Read MoreProgramming Fundamentals: Functions, Booleans, Loops
Programming Fundamentals
Functions
Functions are a group of instructions that can be grouped together and referred to as a whole. They are small algorithms inside of a big algorithm, have inputs, and produce outputs (a set of instructions).
Format: function name (argument1, argument 2)
Example: print('hello world!')
Functions are a group of instructions that can be grouped together and referred to as a whole. They can have inputs and can produce/return outputs.
- Value-returning functions produce or return
Android OS Architecture and Operating System Fundamentals
1. Key Components of Android OS Architecture
The key components of the Android OS architecture are:
- Linux Kernel: The core layer that provides hardware abstraction, memory management, process management, and device drivers.
- Hardware Abstraction Layer (HAL): Acts as an interface between the hardware and Android runtime. It defines standard interfaces for hardware components.
- Android Runtime (ART): Executes Android applications. It includes the Dalvik Virtual Machine (deprecated) and the newer ART, optimized
Java Applets and AWT: Building Interactive Web Content
Applets
The Applet class provides everything needed to create applets. It is contained in the java.applet package. Therefore, if we want to develop an applet, we must import this package, as well as the java.awt package and javax.swing, which contain all the necessary tools to develop user interfaces. An applet is a program that runs through an Internet browser or the SDK tool appletviewer.exe.
Life Cycle of an Applet
An applet inherits its properties and class methods from the Applet class in the
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