Please enable JavaScript.
Coggle requires JavaScript to display documents.
Introduction to Computer Technologies (Computer Evolution (First…
Introduction to
Computer Technologies
Computer is a multipurpose electronic device
Input
A hardware component that allows user to enter input
Output
A hardware component that conveys information from a computer to the user
Memory & storage
Computer System
Hardware
Any parts of the computer that has a physical structure
Example: System Unit, Screen, Monitor, Speaker, Keyboard
Software
A collection of instructions that tells the computer how to perform tasks
Example: Device Drives, Computer hardware, Operating system
IPOS
To describes how a computer system work in general
Computer Architecture
System design
Includes all the hardware parts
Instruction set architecture
Includes the CPU’s functions and capabilities, programming language, data formats, processor register types and instructions used by computer programmers
Microarchitecture
Defines the data processing and storage element
Computer Evolution
First generation computers use vacuum tubes as electronic circuits/ switches
Second generation computers use transistors to replace vacuum tubes as electronic switches
Third generation computers use integrated circuit (IC)
Fourth generation computers use microprocessors