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CS101 Lecture Outlines
CS101 Lecture Outlines
•Chapter 2
•Hardware Basics
Computers can….
Computers can….
•Receive information through
input devices
•Store information in memory /
storage devices
•Process information with a
processor
•Pass information through
output devices
Computer
Components
Computer
Components
•Input Devices
•Output Devices
•Processors (Central
Processing Unit, CPU)
•Memory / Storage Devices
A look inside
computers
A look inside
computers
•information
•CPU
•Memory
Information
Information
•Information around us: text,
image, smell, sound,
texture,…….
•Data /information
•Analog
•Digital
Information inside
computers
Information inside
computers
•digital
•binary
•bits
–numbers (BCDIC, EBCDIC)
–code (ASCII, Unicode)
•bytes (Kilo,Mega,Giga,Tera)
•word
