CSC 134

THIS IS SOME NOTES FOR CHAPTER INTRODUCTION TO COMPUTERS..
SO, LET'S CHECK IT OUT..

• Computer is an electronic device, operating under the control of instructions stored in its own memory..
• Data is a collection of unprocessed item which can include text, numbers, images, audio and video..
• Information conveys meaning and is useful to people..
• Information Processing Cycle include input, process, output, storage and communication..

 THE COMPONENTS OF COMPUTER

INPUT DEVICES-IS ANY HARDWARE COMPONENT THAT ALLOWS YOU TO ENTER DATA AND INSTRUCTIONS INTO A COMPUTER..


OUTPUT DEVICES-IS ANY HARDWARE COMPONENT THAT CONVEYS INFORMATION TO ONE OR MORE PEOPLE..

SYSTEM UNIT-IS A CASE THAT CONTAINS ELECTRONIC COMPONENTS OF THE COMPUTER THAT ARE USED TO PROCESS DATA..

STORAGE DEVICES-HOLDS DATA, INSTRUCTIONS AND INFORMATION FOR FUTURE USE..

ADVANTAGES AND DISADVANTAGES OF USING COMPUTERS

ADVANTAGES

1. SPEED
2. RELIABILITY
3. CONSISTENCY
4.  STORAGE
5. COMMUNICATION 

 DISADVANTAGES

1. VIOLATION OF PRIVACY
2. PUBLIC SAFETY
3. IMPACT ON LABOR FORCE
4. HEALTH RISKS
5. IMPACT ON ENVIRONMENT

 
 CATEGORIES OF COMPUTERS

1. PERSONAL COMPUTERS
2. MOBILE COMPUTERS AND MOBILE DEVICES
3. GAME CONSOLES
4. SERVERS
5. MAINFRAMES
6. SUPERCOMPUTERS
7. EMBEDDED COMPUTERS

 SO, THIS IS SOME NOTES FOR ALL MY FRIENDS..
DON'T FORGET TO STUDY FOR OUR TEST THIS FRIDAY..
BYE..