Ch6-EssayQuestions - Essay 1. Describe the three types of...

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Essay 1. Describe the three types of system units. Answer: The three types of system units are: desktop system unit, notebook system unit, and PDA system unit. The desktop system unit can be placed horizontally (desktop) or vertically (tower). All input devices are located outside the system unit. The notebook system unit is portable and contains some integrated input devices, like a pointer and keyboard. The PDA system unit is very small (palm sized) and contains the entire computer system. Difficulty level: Medium Page: 150 2. Describe the three binary coding systems. Answer: The three binary coding systems are ASCII, EBCDIC, and Unicode. ASCII is the most widely used system. EBCDIC was developed by IBM for use in large computers. Both of these systems use 8 bits per byte. Unicode was developed with funding from several large software companies. It uses 16 bits per byte to facilitate the storage of complex international alphabets. Difficulty level: Hard
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Ch6-EssayQuestions - Essay 1. Describe the three types of...

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