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CHAPTER 1:
INFORMATION TEHNOLOGY, THE INTERNET AND YOU - Coggle Diagram
CHAPTER 1:
INFORMATION TEHNOLOGY, THE INTERNET AND YOU
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People
- Making IT Work for you presents several interesting & practical applications.
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- Tips offer a variety of suggestion.
Such: practical matters as how to improve slow computer performance & how to protect your privacy while on the web.
- Privacy marginal boxes discuss threats.
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- Environment boxes discuss important & relevant environment issues.
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- Ethics boxes pose a variety of different ethical/unethical situations for your consideration.
- Job description.
- Employment demands.
- Educational requirements.
- Salary ranges.
- Advancement opportunities.
Software
- System software: enables application software to interact with computer hardware.
- Operating systems coordinate resources, provide an interface & run applications.
3 types:
- Embedded (real-time, RTOS).
- Stand-alone.
- Network (NOS).
- Utilities perform specific tasks to manage computer resources.
- General purpose: used in nearly all career areas, programs include browsers, word processors, spreadsheets, database management systems & presentation software.
- Specialized: focus on specific disciplines & occupations, programs include graphics & web authoring.
- Apps: designed for mobile devices, most popular are for text messaging, Internet browsing & connecting to social networks.
Hardware
- Types of computer:
Supercomputer.
Mainframe.
Midrange (server).
Personal computer (PCs).
Personal computer:
- Desktop.
- Laptop (notebook computer).
- Tablet.
- Smartphone.
- Wearable.
- Personal computer hardware
4 Basic categories:
- System unit.
- Input: keyboard & mouse. Output: computer display (monitor).
- Secondary storage.
- Communication devices.
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Careers in IT
- Webmaster.
- Software engineer.
- Computer support specialist.
- Computer technician.
- Technician writer.
- Network administrator.