Hardware0 - Chapt er 3 - H ar dwar e Objective What har...

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Chapter 3 - Hardware
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What hardware is What binary is and why the standardization of data representation is important What the components of a computer are What the components of CPU and motherboard are What different types of storage are found in computer systems Objective
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Something tangible and physical. It can be seen touched and held. Hardware
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Each 0 or 1 is known as bit ( B inary Dig it ) 8 bits are grouped together and become 1 byte . 1 byte represents 1 character A BYTE representing the letter “A” This is “A” not “a” because “a” is a different bit pattern. Data Representation
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8 bits (1 byte) can represent 256 different characters: 2 number of bits Capacity of 1 Byte 2 = 8 there are 8 bits per byte each bit has 2 possible values
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Assume that a byte was made of five bits instead of eight bits … How many different characters could a five bit byte represent? Quick Quiz 2 = 32 there are 5 bits per byte each bit has 2 possible values 5 2 number of bits
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Issue What if you buy a software program that did not recognize this byte as “A”? 0 1 0 0 0 0 0 1
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ASCII Character Set A merican S tandard C ode for I nformation I nterchange Extended ASCII
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Unicode Handles multiple writing systems by using two bytes (16 bits) for each character representation
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Hardware Devices I nput Keyboard Mouse Microphone Camera Output Monitor Printer Speaker Storage Primary Secondary Power Supply Motherboard Processor Bus BIOS Communication Devices Network Interface Hardware Modem
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Hardware0 - Chapt er 3 - H ar dwar e Objective What har...

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