Fundamentals of computer systems
- Created by: millard
- Created on: 18-04-16 15:38
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- Fundamentals of Computer Systems
- Define a Computer System
- A device that can RECEIVE data, STORE the data, PROCESS the data and OUTPUT the data
- The importance of computer systems in the modern world
- Can access data securely
- Air traffic control
- Global communicaton
- Quality of life, bionic limbs
- Helps save lives, faster ES response time
- The need for reliability in computer systems
- Life critical systems
- Hospitals
- Hard drive failure
- Fired from job, if lose work and miss deadline
- Data stored in databases
- If data centre destroyed masses of information lost
- The probability a computer system will give the expected output in a given timeframe
- Life critical systems
- The need for professional standards in the development, use and maintenance of computer systems
- It ensures that a device brought for one computer will work for anyother
- USB, Universal Serial Bus
- Bluetooth
- ASCII, standard character set that allows all computers to convert binary to characters using the same values
- HTML, ensures that webpages can be understood on any device
- De Facto standards, popular standards that companies choose to use
- Open standards, officially agreed upon by companies
- The importance of ethical, environmental and legal consderations when creating a computer system
- WEEE, Waste Electrical and Electronic Equipment - initiative that ensures hospitals and schools recycle old appliances
- Refurbing old computers ensures that are reused
- Sleep and Hibernation modes ensure that computers use less energy when not in use
- Patent rights
- Cannot use copy-righted designs to create new computers
- Virtual servers, ensure that more of the physical server is in use
- Ethical
- Replacing workers with automated machines
- Privacy - who can keep data about us and for how long?
- Computer professionals - being honourable engineers
- Define a Computer System
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