Computer Applications Types of Computers Computer Applications

Introduction There are many different types of computers available today. They are categorized into different types depending on their size and processing power, What are the categories?

Desktop / PC A computer that is designed to meet the needs of one individual Has a central processing unit housed in a metal case (often called a tower) along with a keyboard, mouse and monitor Intended for use at one single location

Desktops are used for: Desktops are used for running applications (full scale, complex software) including: Office Software—Word processing, spreadsheets, presentations, and databases Engineering designing software—CAD/CAM and other designing software for homes, kitchens, airplanes and more… Photo and Video editing Music—creating, playing and storing Internet—Entertainment and information

Advantages and Disadvantages Easy to upgrade Vast range of software available Easy to mix and match; customize to meet your needs. Can be used continually for long periods of time Not easily portable Requires large amount of desk space Needs a fan to prevent overheating Must be plugged in to power outlet

Laptop Computer Also known as a notebook A portable computer that integrates a monitor, keyboard, touchpad, pointing stick, and speakers into one single unit Runs on a rechargeable battery People choose to use a laptop because of it’s portability and the ability to run most of the same applications that are run on a desktop computer.

Netbook Smaller portable computer that is more lightweight and has less processing power than a laptop Can still run word processing and spreadsheet applications. More netbooks are sold today than notebooks, however, sales of netbooks have declined since the introduction of tablets

Advantages and Disadvantages of Notebooks and Netbooks More expensive than a comparable PC Easily damaged if dropped Difficult to repair/ upgrade Portable Lightweight Runs on a rechargeable battery Runs the same software as a Desktop PC

Tablets Mini, flat mobile computer that uses a touch-sensitive screen for input and navigation. Uses application software called an App: a small, specialized program downloaded onto mobile devices. Uses: To access apps, e-mail, Internet, minor editing of documents, play games and more… without lugging around a larger computer.

Advantages and Disadvantages of Tablets Small and lightweight Long battery life Powers up immediately (no boot process) Tablets can run ‘lite’ versions of office software With Internet access, it can access your data from anywhere Small screen Keyboard is small and difficult to use Easily damaged, not easily upgraded Expensive Internet Access plans

Mobile Device A small, pocket-sized computing device with a touch screen and memory card for data storage. Also known as a handheld. There are many kinds of mobile devices. They run apps Uses: Personal organization Internet access Phone GPS Camera Media player for audio and videos.

Advantages and Disadvantages of Mobile Devices Expensive monthly access plans Reception is poor in some areas Safety (use while driving or walking) Social (limits association interactions) Distraction at work/school Easy to lose or damage You can carry it with you (in your pocket) Fingertip access to the Internet, e-mail and data Use of phone to contact others Helps with organization GPS, phone, texting, face-time and more…