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- 1What is a microprocessor? An electronic circuit or chip that processes data which makes the computer or electronic device work.Ex at home:
Dish washers
Washing Machines
DVD players
Central heating systems - 2Ex at work: Lifts Automatic doors Photocopiers Security systemsEveryday ex:
Traffic light systems
Cars
Mobile phones
Digital Cameras - 3What is an operating System? An operating System is a core software that allows a computer to run as a useful device. It manages the hardware, User interface and all other software running on the computer.Ex of operating systems:
Windows - personal computer
Linux - personal computer
MacOS - for macs
Unix - mainframes
Android - phones - 4Functions of operating systemIt loads and runs apps
manage password security
allow hardware to communicate with the softwares - 5ROM - Read Only Memory permanent memory that retains it data even when the power is switched off.RAM - Random Access Memory
temporary memory
used for storing recent browsing history, copy and paste, having more than one window open and switching between them
can make the performance slow if its being used up - 6Hardware: The parts of the computer that you can touchSoftware:
The programs/ instructions that allows the hardware to do a useful job. - 7Ex of hardware: Printers mouse monitor keyboardEx of software:
Word-processing
Database
Spreadsheet
Web browser - 8WAP - Wireless Application Protocol: offers a way for users of mobile phones to access the internetPDA - Personal Digital Assistants
hand - held computers that can browse the internet, send/recieve emials, store details of addresses, names, phone numbers
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- Fichas sobre Sin título, creado por aj02firestar el 20/12/2014.
- Creado por
- aj02firestar
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