Table of Contents
CS-101 / Fall 1997
Computer Hardware and Structure: Lecture Overview
Computer = Information Processor
Information Representation
A Bit About Bits
One If By Land and Two If By Sea
A Bit About Bits
A Bit About Bits
Bits as Codes
Bits as Codes
Bit-related Terminology
Bits as Numbers
Bits as Numbers
Information Representation: Digital Media
Digitizing the Real World
Color Depth (pixel depth)
Bits as Instructions
Computer Structure and Components
Input Devices
Pointing Devices
Computer Structure and Components
Output Devices
Output: From Pulses to People
Screen Output
Classes of Monitors
CRT (cathode ray tube)
LCD (liquid crystal display)
Paper Output
Impact Printers
Nonimpact Printers
Other Nonimpact Printers
Output You Can Hear
Machines Controlling Other Machines
Computer Structure and Components
Storage
Storage
Primary Storage: The Computer’s Memory
Secondary Storage: Input and Output
Magnetic Tape
Magnetic Disks
Hard Disks
Diskettes
Optical Disks
Computer Structure and Components
Central Processing Unit
CPU = Control Unit + ALU
Factors Influencing the CPU
Factors Influencing the CPU
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Author: Azer Bestavros
Email: best@bu.edu
Home Page: http://www.cs.bu.edu/faculty/best
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