mobi.pdf

INTRODUCTION TO MOBILE COMPUTING MARY ROSE C. COLUMBRES Bulacan State University - Sarmiento Campus OBJECTIVES: At the end of this lesson, you should be able to: Explain the fundamentals and concepts of mobile computing; Describe mobile devices, and explain other examples; an...

INTRODUCTION TO MOBILE COMPUTING MARY ROSE C. COLUMBRES Bulacan State University - Sarmiento Campus OBJECTIVES: At the end of this lesson, you should be able to: Explain the fundamentals and concepts of mobile computing; Describe mobile devices, and explain other examples; and Discuss all applications, and development technology of mobile devices. What is mobile computing? It describes the use of portable electronic devices—like laptops, tablets, and smartphones—for information processing and access while on the go. Because these Retrieved from: gadgets have wireless connectivity, https://images.app.goo.gl/LxxSSjJAQfkXasmr6 users may access other networks and the internet from almost anywhere. Characteristics of mobile computing 1. Portability: Mobile devices are made to be utilized and carried around in a variety of environments. 2. Wireless Connectivity: In order to connect to the internet and other devices, mobile computing uses wireless networks like Wi-Fi, cellular data, and Bluetooth. 3. Real-time Access: Regardless of where they are, users may access information and services instantly. 4. Personalization: Individual requirements and preferences can be catered for on mobile devices. Advantage of mobile computing The following are just a few of the many advantages of mobile computing: it may be used for business, entertainment, and location finding, among other things.  Connectivity  Wireless Networks: Wi-Fi and cellular data networks are the main sources of internet connectivity for mobile devices.  Bluetooth: Facilitates close communication between gadgets, allowing for file exchange and peripheral connections.  Near-Field Communication (NFC): Enables data transfer and contactless payments between devices that are close to one another. Advantage of mobile computing  Social Interaction  Social Media Platforms: Facebook, Instagram, Twitter, and other platforms have transformed social interaction when accessed through mobile devices.  Apps for messaging: Group conversations and real-time communication are made possible by apps like Telegram, Messenger, and WhatsApp.  Online Communities: Mobile users can engage in online communities and meet people who share their interests. Advantage of mobile computing  Customization  App Stores: To customize their mobile devices, users can download and install a variety of applications.  Themes and Wallpapers: Users can customize their smartphones' looks by adding new themes and wallpapers.  Integration of Widgets: You can add widgets to your home screen to provide quick access to information and apps that you use frequently.  Customization of Settings: Users have the ability to change a number of settings, including notification preferences, sound level, and screen brightness. What is mobile computing? Key Milestones: 1970s: Early portable computers like the IBM 5100 1980s: Development of cellular networks and mobile phones 1993: IBM Simon introduced as the first smartphone 1996: Palm Pilot popularizes personal digital assistants (PDAs) Late 1990s: Increased adoption of WAP (Wireless Application Protocol) for mobile internet 2000s: Apple iPod revolutionizes digital music 2007: iPhone launch marks a significant breakthrough 2008: Android operating system introduced 2010s: Rapid growth of mobile apps and services 2020s: Emergence of 5G networks, foldable phones, wearable devices, and AR technologies What is mobile device? These are transportable electronic gadgets that let people access and process data while they're out and about. Usually, they consist of laptops, tablets, and cellphones. https://images.app.goo.gl/h99dVizfhmsttdxS9 What is mobile device? These devices are characterized by their: Portability: They are made to be utilized and carried in a variety of environments. Internet Access and Wireless Service: Wireless technologies such as Bluetooth, Wi-Fi, and cellular data allow mobile devices to establish connections to the internet and other networks. Battery Power: They have rechargeable batteries installed, which allow them to run for a number of hours. What is mobile device? How do Batteries Work?  Rechargeable lithium-ion batteries are commonly used in mobile devices. Ions that travel between a positive electrode (cathode) and a negative electrode (anode) are used by these batteries to store energy. Ions move from the cathode to the anode during battery discharge, producing an electrical current. Ions move from the anode https://images.app.goo.gl/qCsg6RkZyTnQYzwy8 to the cathode in the opposite direction when the battery is charged. What is mobile device? Reasons for Battery Failure Several factors can contribute to battery failure in mobile devices:  Overcharging: Excessive charging might limit the battery's life and harm its chemical composition.  Overheating: An excessive amount of heat can harm a battery's capacity and performance.  Age: As batteries age, they naturally lose capacity and become less effective.  Manufacturing flaws: A few batteries may have flaws in their construction that lead to an early failure.  Physical Damage: The battery or its connections may sustain damage if the gadget is dropped or handled improperly.  Smart mobile devices  Smartphones: In addition, smartphones can be used for online browsing, emailing, social networking, online sharing, and selling, as well as receiving and sending phone calls, SMS messages, and voicemails. Google's Android, Apple's iOS, Nokia's Symbian, RIM's BlackBerry OS, Samsung's Bada, Microsoft's Windows Phone, and integrated Linux versions like the Maemo and MeeGo distributions are the most widely used mobile operating systems (OS) https://images.app.goo.gl/LCjgU7jd3EGAtGtm8 on contemporary smartphones. Smart mobile devices https://images.app.goo.gl/qdwpcVzg5UjHyD3N6  Smart mobile devices  Table PC and iPads: Similar to laptops, tablets are little devices that offer a special experience. Rather than using regular computers and mobile apps, we use tablet-specific apps. https://images.app.goo.gl/ezpTBv3uy2sSToyNA  https://images.app.goo.gl/5zA5JpL5xBLZniRu9 Smart mobile devices  Personal Digital Assistant (PDA): The main objective is to function as a lightweight, user- friendly, and information-sharing organizer or day planner that integrates with your system. https://images.app.goo.gl/otsVK4RGqzJfJNZQ9  Smart mobile devices  Wearable technologies: Often referred to as "wearables," wearable electronic devices are ones that people may physically wear to monitor, analyze, and share personal data. With the rise of consumer technology in the gaming and fashion industries, these intelligent Internet of Things (IoT) gadgets are able to capture biometric data, including heart rate and sleep habits. https://images.app.goo.gl/KW6326RLvYV4eg1ZA  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger.  Artificial Intelligence (AI): In our mobile world, AI is becoming more prevalent. Even though the time is still not here, mobile AI is progressing. Alexa - Amazon Alexa is a multipurpose digital assistant that can do a wide range of tasks and provide answers to queries. It has voice communication capabilities, music playback, to-do list building, alarm setting, podcast and audiobook playing, and real-time news delivery for sports, traffic, weather, and other news. By utilizing it as a home automation system, Alexa may https://images.app.goo.gl/R2hoaXNTVYNHKBj99 also supply electricity to a variety of smart devices. Developments in Mobile Technology Siri - For iOS and macOS computers, Siri is Apple's help with voice recognition and artificial intelligence. Cortana - Cortana is the name of the intelligent personal information navigator and assistance system for Windows Phone 8.1 and Windows 10. Microsoft's TellMe voice technology, which it purchased in 2009, is the foundation for Cortana. Assistant to Google - The virtual assistant of Google is called Google Assistant. The Google Now function on Android, which provided you with information without requesting it, is evolved by this app. Its rivals are Microsoft Cortana, Alexa from Amazon, and Siri from Apple. https://images.app.goo.gl/R2hoaXNTVYNHKBj99  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger.  Location-based technology: Your location is being tracked by your tablets and cellphones. With your consent, mobile apps can also track your https://images.app.goo.gl/Ghp2tKvHdvGXcbFY6 whereabouts.  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger.  Augmented Reality (AR): Through the use of computer-generated perceptual knowledge, objects in the actual world are improved in Augmented Reality (AR), an immersive picture of the real https://images.app.goo.gl/nmGRa7p3qLg3LnPr5 world.  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger.  Enhanced mobile security: The complete protection of data on mobile devices and the networks that connect them is known as mobile device security. https://images.app.goo.gl/sfS5kqYKtNLaxJZE8  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger. Biometrics Advances- Biometrics is used to enhance mobile device security. Biometric examples involve: speech recognition facial recognition signature recognition fingerprint recognition https://images.app.goo.gl/sfS5kqYKtNLaxJZE8  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger.  Advancement of mobile cameras: Nowadays, the majority of digital cameras are manufactured digitally. Along with smartphones, a plethora of other camera apps allow users to take, edit, and share photographs with others directly from https://images.app.goo.gl/4fhrTVeojnPX8bXV6 their cameras.  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger.  Resolution and Display: The resolution of the display or screen, to define, is the number of pixels. https://images.app.goo.gl/4fhrTVeojnPX8bXV6 Developments in Mobile Technology Types of Resolution High Definition- HD provides an elevated clarity. A 1280 x 720 pixel representation is required. Full High Definition- The resolution of Full HD is 1920 x 1080 pixels. Once more, the screen's size affects the pixel density. In 5- inch smartphones, the pixel density is approximately 440 dpi; in 5.5-inch displays, https://images.app.goo.gl/TkR9btffpQHAQ9hq6 it is 400 dpi. Developments in Mobile Technology Types of Resolution Quad HD- sometimes known as 2K, is four times the HD standard's definition. With this kind of resolution, a QHD panel of the same size may hold the same amount of pixels as four HD monitors. The dimensions of a QHD pixel are 2560 x 1440. The pixel density of the QHD 5.5-inch panel is 538 ppi. Ultra HD- also known as 4K. 4K is 4096 x 2160 pixels, while ultra-high definition is 3860 x 2160 https://images.app.goo.gl/TkR9btffpQHAQ9hq6 pixels. Developments in Mobile Technology Mobile Device Display: Today's smartphones come with a variety of advanced display types, including TFT, IPS, OLED, AMOLED, Super AMOLED, LCD, and numerous others that are less prevalent, such as TFT-LCD. The term LCD, or Liquid Crystal Display (LCD), refers to a collection of liquid crystals that are backlit. https://images.app.goo.gl/wMmUu4r6nhocV7oBA Thin Film Transistor, or TFT for short, is an improved LCD variant that makes use of an active matrix (similar to the AM in AMOLED). Developments in Mobile Technology In-plane switching, or IPS, is an additional development for TFT LCDs. Compared to TFT-LCDs, the color reproduction is noticeably superior. Better viewing angles are offered by it. Active Matrix Organic Light-Emitting Diodes, or AMOLEDs. OLED is merely a moniker for another thin-film viewing technology; the active matrix of TFT LCD technology has already been developed. As its name suggests, an organic material called https://images.app.goo.gl/wMmUu4r6nhocV7oBA an OLED emits light when current flows through it. OLED displays are 'always off' unless the individual pixels are energized, in contrast to backlit LCD screens.  Developments in Mobile Technology These are the most recent innovations in mobile technology, which are dominating the market and are only going to get bigger.  Wireless charging Capability: Your phone may be charged wirelessly without the need for connections by using a charging pad.  Storage on Mobile Devices: In order to store https://images.app.goo.gl/nakAUn3fKVZ595TXA information either temporarily or permanently, a storage device is required. The device may be internal or external to a computer, mobile device, server, or other computer system. Sometimes referred to as storage devices or media. https://images.app.goo.gl/3u5honx1mVRb8NSR6  Developments in Mobile Technology Internal memory and external memory Internal Memory: The operating system, preinstalled apps, and other system software are installed on internal memory, which is a manufacturer-installed storage space that is usually 16, 32, or 64 GB. External Memory: A removable microSD card or anything similar is referred to as external memory. A pre-inserted microSDD card is https://images.app.goo.gl/3u5honx1mVRb8NSR6 often sold with many devices that have this feature.  Developments in Mobile Technology Cloud Storage: Using cloud storage, you can upload your data to an internet account and save them selectively. One kind of cloud storage that can be accessed on mobile devices such as laptops, tablets, and smartphones is called mobile cloud storage. https://images.app.goo.gl/UinaZ2gB5B4XQuwA7 Quote of the day References 1. Stallings, W., & Kurose, J. F. (2016). Data and Computer Communications (10th ed.). Pearson Prentice Hall. 2. Tanenbaum, A. S., & Wetherall, D. J. (2011). Computer Networks (5th ed.). Prentice Hall. 3. Turban, E., McLean, E., & King, D. (2018). Information Technology for Management (10th ed.). Wiley. 4. Zhang, Q., & Xu, L. (2017). Mobile Computing and Applications. Springer. 5. Mobile Computing: A Brief Overview. (n.d.). Tutorials Point. https://www.tutorialspoint.com/mobile_computing/mobile_compu ting_overview.htm