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OCR Cambridge Nationals in ICT (Level 1/2) R 009 Exploring Computer Hardware and Networks
Components Computers are made up of different components that work together. Inside the average PC or Mac you will find: • • RAM When ROM these are all working a together, hard diskthe computer a DVDfunctions player well. a main board various cables a screen a keyboard.
Mobile Technologies Devices Netbooks, such as the. Tablets Kindle, and Laptops, Nintendo DS and the MP 4 players Smartphones allow user to be allow for and mobile entertainment portable productive at the In recent years, computing has to be readily accessible. same time. moved away from the large desktop.
Games Consoles Combine a console with a homeconsole networkallowing and services Most UK homes have a games for such as Xbox livemovement widen the gaming, gaming experience to a streaming video, music playback, globaldisplays scale. and online purchasing. photo
Network Topology Networks are found in the majority of businesses and many homes have smaller networks now. Wired networks can be set up in different ways such as Star and Hierarchical. Virtual servers and thin client computing have reduced the cost and increased the speed for modern networks.
Types of Networks are found in homes, offices, schools, hospitals and in many other places. Wireless networks Selecting the right are kindnow of used to attract and network for theshoppers organisation theand mobile networks thentelephone setting it up takes growspecialist larger every year. skills.
Computer repair Knowing what to look for hardware is as important knowing Like all things, computer fails atastimes. Some how tocan fix the problem. things be fixed with a minimum of technical support whilst others require an IT expert. Computer or connection problem? Repair or replace?
Network issues When a networkdiagnostics componentand fails or is wrongly configured Completing it can lead to how a loss productivity knowing to of perform the and profits. right tests will help the users get up and running again quickly. Which cable? What server? WEP or WPA? Is the route clear? Are the lights flashing?
You will learn… IP Common Computer LANs, addresses, Assistive WANs, hardware technologies MAC IDs, problems CAT 5, components for Wi. Fi and What itcomputer means toaddresses be an ICT how and specified network tohow and fixsupporting them PING. they types. needs. quickly. work. technician users.
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