Category Archives: Software

Leitfaden für die Entwicklung maßgeschneiderter Software

Bevor Anwendungen installiert werden können, muss das Betriebssystem installiert werden. Im ersten Fall bootet der Computer von der CD/DVD, wobei alle notwendigen Dateien gespeichert sind. Das Programm zur Installation des Betriebssystems (auch auf der Festplatte) wird automatisch gestartet. Dies kann oft vorkonfiguriert werden, so dass keine Eingaben des Benutzers mehr erforderlich sind.

Bei der Netzwerkinstallation werden die notwendigen Programme, die das BIOS des Computers lädt, zuerst aus dem Netzwerk (meist über das TFTP-Protokoll) geladen und dann ausgeführt. Im Allgemeinen lädt dieses Programm dann das Betriebssystem-Installationsprogramm von einem Servercomputer im Netzwerk.

Installation des Betriebssystems

Bei der Installation des Betriebssystems werden zwei verschiedene Methoden verwendet. Im ersten Fall wird das Programm aufgerufen, der Benutzer, mit dem das Betriebssystem installiert wurde. Alle notwendigen Eingaben erhalten das Programm, aber nicht vom Benutzer, sondern aus einer Konfigurationsdatei (unbeaufsichtigte, stille Customized Software Development).

Das Betriebssystem-Installationsprogramm führt dann ähnlich wie bei der manuellen Installation des Betriebssystems alle notwendigen Schritte aus, wie z.B. die Erkennung der vorhandenen Hardware.

Im zweiten Fall wird das Betriebssystem einmalig auf einem Computer installiert, dann wird eine Speicherabbildung erstellt. Diese wird dann auf der CD / DVD oder im Netzwerk gespeichert und dann einfach sektorweise auf die Festplatte kopiert.

Das erste Verfahren hat den Vorteil, dass es weitgehend unabhängig von der verwendeten Hardware ist. Notwendige zusätzliche Treiber können dem Betriebssystem-Installateur in einem Ordner zur Verfügung gestellt werden.

Nachteile sind die hohe Dauer der Ausführung und die Tatsache, dass alle Anwendungen separat installiert werden müssen. Die zweite Methode ist extrem schnell und ermöglicht die Integration zusätzlicher Standardanwendungen in das eigentliche Betriebssystem-Image.

Allerdings ein Nachteil aus der Abhängigkeit der Installation der verwendeten Hardware. Daraus folgt, dass für jeden Hardwaretyp ein eindeutiges Image erstellt, gepflegt und verteilt wird. Letztendlich wird mit dieser Methode eine bessere Leistung auf Kosten des Verwaltungsaufwands und des Speicherbedarfs erreicht.

Für Windows Vista und Windows 7 hat Microsoft sogar dateibasierte Abbildungsmethoden entwickelt. Auf einem Windows Vista-Computer und den Anwendungen, die Sie installieren möchten. Anschließend wird daraus mit sysprep das Programm ein Bild erzeugt. Bestimmte Teile des Betriebssystems (Security IDs und Treiberdateien), wenn Sie die Images erstellen, werden entfernt.

Auf dem Zielsystem wird Windows PE (Pre-Installation Environment) gebootet, eine Minimalversion von Windows Vista, die ohne Installation gestartet werden kann. Das Image wird dann mit dem Windows Vista Setup-Programm auf dem Zielsystem installiert. Dies ist technisch gesehen eine Dateikopie.

Form And Function Of Haulage Software

Haulage software documentation explains how the programs works and the way users must handle it. The term can have different meanings for people of different profiles. Documentation is an important part of software engineering, which is too often overlooked.

The architectural documentation is a special type of design documents. Somehow, documents on architecture are the third derivatives of the code (design documents are the second derivatives, and documents on the code being the first).

There is very little in the literature on the architecture that is specific to the code itself. These documents do not describe how to program a particular function (routine) or even why this particular function exists in this form, but sets out the general requirements that motivate the existence of such a function.

Another kind of design documents is the comparison document. This can often take the form of a white paper. It focuses on a specific aspect of the system and suggests alternative approaches.

This may be at the level of the user interface, code, design or even architecture. A good comparative study is heavy in research, express ideas clearly and especially is impartial. It must explain clearly and honestly the cost of any solution beside it brings better.

The purpose of a comparative study is to discern the best solution, rather than pushing a particular point of view. It is perfectly acceptable not to establish a conclusion, or to conclude that none of the alternatives offer substantial advantages over the current situation to justify a change. It must be designed as a scientific initiative not as a marketing technique.

Technical Documentation

Regarding the technical documentation must be distinguished several types of documentation. It is associated with the operating software, which provides the operator the instructions of the hardware (computer). Documentation associated with the application software (major business functions: finance, procurement, logistics), which shows how to use the software.

Most programmers use the term haulage software documentation in the case of documentation of application software. When developing haulage software, the source code is not enough alone.

There must be the accompanying text to describe different aspects of the expected operation. This documentation is usually included in the source code itself so that it is easily accessible to anyone who would have to cross.

Oftentimes, generators like Doxygen or Javadoc documentation can be used to automatically generate the document on the code they extract the comment source code and create reference manuals in such forms as text or HTML files. Documents on the code are often organized in the style of a reference guide, which allows a programmer to quickly locate a function or any class.

Guide To Audio Converter Online

Several audio formats are based on the RIFF (Resource Interchange File Format), which is a general purpose standard. The principle is to define containers and sundry identified by their first four bytes, which are generally ASCII characters. This allows technicians to identify and open the file with a hex editor, followed by four bytes which indicate the end (this limits the number of bytes of a RIFF file size 4 GB).

A RIFF file starts with RIFF and the total length, then there is the identifier of the first sub-container. WAV (or WAVE), (Waveform audio format) is a container based on RIFF file format, wherein the identifier is WAVE. It can contain audio coding with reduced flow or not, mono or stereo, it was developed by Microsoft and IBM. The information needed for decoding is at the beginning of the file. WAV allows you to store metadata in the file.

Most often, it contains no audio data reduction, with sampling frequencies and various resolutions. BWF (Broadcast Wave Format) is a standard audio format created by the European Broadcasting Union as a better WAV for professional use. BWF files include a standardized Timestamp reference which enables and facilitates synchronization with an element of distinct picture. This is the usual recording format of many professional audio workstations television and film.

Ogg Vorbis is a free format fruit by the Xiph.org foundation. Ogg is a container that can contain audio lossless soundtracks (FLAC), encoded with the Vorbis psychoacoustic codec, spoken audio (Speex) and video (Theora). An Ogg file can contain one (or a combination) of tracks. An audio converter online can work on all these files.

The AIFF is a format for storing sounds on Apple computers. This is equivalent to the WAV format in the Windows world. CAF (Core Audio Format) was developed by Apple to overcome the limitations of older audio containers such as AIFF or WAV. It is compatible with Apple Mac OS X system from version 10.3 and is readable by Quicktime 7.

Compressed and uncompressed audio codecs

PCM is simply a result of uncompressed audio data, which is usually stored as .WAV on Windows or .Aiff on Mac OS. WAV and AIFF are flexible audio file formats designed to store more or less any combination of sampling rates or bitrates.

These are the appropriate file formats for storage and execution of original recordings. RAW (Real Audio Wrapper) is an audio format used to represent data in the pulse coded without header or metadata modulation. The RAW file is unusable without information about coding, which must be sent elsewhere.

Intro To Logo Design Software

Logo design Sydney software tools are computer programs devised to create symbols that help identify a company or brand. Usually, the software assists with color, composition, and logo image printing, and would often provide templates to assist the user kick-start the logo designing process. Generally, logo design software is considered a basic graphic design or desktop publishing software, typically used by small companies or business owners wanting to create their companies’ own promotional designs. A logo design software is also referred to as a logo maker.

A company logo’s colors could transmit subconscious and conscious messages to the onlooker. Amateur logo designers who do not have color theory experience could allow software color design attributes or functions take them to the correct color blend to be used for representing the business of the company. Based on the kind of business and logo printing requirements, a logo designer could select bold colors such as red and yellow, or softer hues such as sky blue and lavender.

One big frustration for certain designers is getting prepared for the printing. When making a logo for print, several things could go wrong that may cause the logo look out of place after it reaches the printer. A design software could assist a user calibrate the settings such as proportions, size, photo resolution, and color density to make sure the logo appears as per the original design whenever it’s printed.

Though designing a logo is an aspect of graphic design, the software for logo design isn’t usually used for professional design work. The professional graphic designers generally use visual editing and graphic design programs to create professional-looking designs for their clients. A logo design software basically provides an upper hand for small business owners who want to self-design things as that’s significantly less expensive compared to buying a completely functional software suite for graphic design. However, the functions are typically limited to fundamental logo design requirements. There are several dedicated software for logo design but basic computer graphics programs could also help design simple, functional logos.

Usually a part of all business communications – which includes the company website, building, stationery and advertisements – a logo is given importance as it assigns an identifiable visual sign to a firm that does not entail reading them as words. At times, a logo comprises the name of a company. However, there are multiple variations wherein a logo could or could not comprise text that state the name of a company. For example, the Nike brand is identifiable with or without the text “Nike” accompanying the iconic swoosh sign.

The Advantages Of EPOS Over Traditional Systems

In the retail industry, point-of-sale systems refer to the equipment used to complete transactions. They are vital in obtaining payments and recording the details. Included are the timestamp, the name of the cashier, the price of every item, the SKUs, and the total cost, among other important information. Past models included specialized hardware designed for the task. Cashier could type on a keyboard, see the results on a screen, place the cash inside the register, and print receipts. Nowadays, traditional systems are giving way to software-as-a-service POS. This is sometimes called ePOS and there are plenty of reasons why the industry is embracing it with open arms.

Platform Independence

The software lives on the cloud. It can be accessed through the Internet using any browser. This means that it can be paired with virtually any type of computing apparatus that supports online access. There are some which are optimized for a particular operating system but most can switch seamlessly from one to another. This means that they can be used on a full desktop PC, a laptop, a tablet, or even a smart phone. The entry of mobile devices mean that POS machines no longer need to sit on a dusty corner all day. It can be brought directly to the customer if that is more convenient, or moved around depending on the needs of the store.

Secure Storage

Since the program and data all reside on the cloud, there is no need to worry about backups, erasures and attacks. The software provider will take care of everything at the back-end. That is why it is necessary to search for a highly reputable company. The features are definitely a huge factor but so is security, particularly because of the nature of the task. Every transaction should be meticulously recorded and archived at a safe remote location. There must be continuous backup and redundancy so that the data will never be lost. Malicious attacks will not prosper thanks to encryption, firewalls, and other security measures.

Continuous Updates

Another advantage of ePOS is the quick deployment of updates. With old systems, new features may not be available for years. You would have to buy the latest models to enjoy better operation. This means purchasing new hardware all over again, sinking thousands of dollars in the process. Sometimes firmware updates are available but they also take time to roll out. With the new systems, updates can occur monthly, weekly, or even daily if necessary. Small changes are made as they become available to eliminate bugs, add features, and improve system efficiency. Look for an ePOS London specialist to upgrade your store’s retail system.