Archive of posts filed under the Electronics STUDY MATERIALS category.

DOS – Disk operating system

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DOS (disk operating system) DOS uses a command-line interface with personal computer .MS-DOS mode is a shell in which MS-DOS environment is emulated in a 32-bit system like windows. MS-DOS programs can run with windows, and create PIF (program interface file) which contains all settings. MS-DOS is written by Tim Paterson and introduced by Microsoft. …

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Introduction to communication engineering

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Note this points which are regularly asked in all competitive exams : Accoustic channel is used for  person to person voice communications. At high frequency transit time noise is important. HF mixer is noiser than HF amplifier. Strongest noise interface occurs at 20 to 120 MHZ. Leak-type bias is used in a plate modulated class …

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