Roza's CSC101 Knowledge Base

1. Introduction to the world of computers

Computers in the home

Convergence

Wireless Networking

Smart Appliances

Smart Homes

Computers in education

Students use it in class or computer lab

Colleges and universities use it too

Distance learning

Computers on the job

Used by all tyoes of employees

Used for access control and other security measures

Used by service professionals is growing

Used extensively by the military

Computers on the Go

Consumer Kioks

ATM transactions

POS systems at ratial stores

Slef- checkout systems

Portable computers or mobile device

M- Commerce systems

GPS systems

Data vs. Information

Data

Information

Information Processing

Knowledge

Hardware

Input device

Oricessing device

Output device

Storage device

Communication Devices

Application Software

Creating letters, managing inventory, schdeuling appointments, Veiwing web pages, sending and receiving E-mail, recording/ playing CDs/ DVDs, designing homes, playing games.

Computer users and proffesional

Programmers

Systems analysts

Computer operations personnel

Security specialists

Mobile Devices

Personal Computers

Desktop computers

Notebook

Tablet computers

Ultra mobile PCs

Computers in Home

For looking information, E-mail, shopping and paying bills, watching TV. and Video, Dowanloading stuffs, playing games....

4. Input and Output

Keyboards

Pointing devices

Mice

Touch screens

Other pointing devices

Scanners, readers, and other digital cameras

Display devices

Printers

5. System software: Operating Systems and Utility Programs

System Software and Application Software

System software

Application software

The operating system

Functions with an operating system

Inter facing with users

Booting the computer

Configuring Devices

Managing resources and jobs

File management

Security

Processing Techniques for Increased Ifficiency

Multitasking

Multithreading

Thread

Multiprocessing

Memory Management

Buffering and Spooling

Differences Among Operating Systems

Command line vs. graphical user interface (GUI)

Personal vs. server operating system

Client computers still use a personal operating system

Operating systems fot Personal Computers Servers

DOS

Windows

Windows Vista

Windows 7

Windows server

Mac OS

UNIX

LINUX

Operating Systems for Mobile Phones and Other Devices

Windows Mobile

Windows Embedded

Android

iPhone OS

BlackBerry Operating System

Palm OS and Palm Web OS

Symbain OS

Embedded Lunix

Operating Systems for Larger Computers

Utility Programs

File Management Programs

The future operating systems

2. The system unit

Data and program representation

Digital data representation

The binary numbering system

Coding system for Text- Based data

Representing programs

Inside the system unit

The motherboard

The CPU

Processing speed

Word size and cache memory

Bus

Width

speed

Bandwidth

Memory

Rigester

ROM

Flash memory

Fans,Heat sinks,and other cooling components

Ports and connectors

The system clock and the machine cycle

Making computers faster and better now and in the Future

Future trends

Chapter 3

Storage system charactersistics

Logical and physical representation

Hard Drives

Hard drive speed and caching

Partitioning and file systems

Hard drive interface standards

Optical discs

Optical drives

Flash memory

Smart cards

Holographic storage

RAID

The World Is Flat by Thomas Firedman

a

Flatterens

1. The fail of Berlin wall

2. Netscape

3. Workflow Software

4. Uploading

5. Outsourcing

6. Offshoring

7. Supply chaining

8. Insourcing

9. In-forming

10. Thestiriods

Firedman 4,5,6

Uploading

Outsourcing

Offshoring