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This guide provides a comprehensive overview of computer systems, including the significance of reliability and professional standards. It also covers topics such as CPU, binary logic, memory devices, storage devices, operating systems, utility programs, application software, binary numbers, hexadecimal, representing characters, databases, networks, webpages, programming terms, and testing.
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Begin Datablast • GCSE Computing
Computer Systems • Define a computer system • Describe the importance of computer systems • Explain the need for reliability • Explain the need for professional standards • Ethical, environmental, legal issues
Binary Logic • Why use binary?
Operating Systems • User Interface • Memory Management • Peripheral Management • Multi-tasking • Security
Binary Numbers • Bit - Nibble - Byte - KB - MB - GB - TB • Convert Binary <=> Denary • Binary Addition • Overflow Errors
Hexadecimal • Convert Binary <=> Hexadecimal • Convert Denary <=> Hexadecimal • Advantages of Hexadecimal