Information Society
MELJUN CORTESMELJUN CORTES
Computer Competency
The user feel comfortable using and
operating a computer
Be able to make the computer work for him
thr...
Computer Competency
Understand the impact of computers on
society, now and in the future
Be an intelligent consumer of com...
What is a COMPUTER?
Technically speaking,
a COMPUTER is a
counting device
It has the function of a
CALCULATOR
But a CALCUL...
Where do we used computers
Graphics
Retailing
Energy
Paperwork
Transportation
Law enforcement
Money
Agriculture
Government...
COMPUTER an electronic device capable of
interpreting & executing programmed commands
for input, output, computation & log...
How do we use COMPUTERS?
IS
PC
SRE
PCD
EDUC
CAD
ENT
AI
INFORMATION SYSTEM/DP
PERSONAL COMPUTING
SCIENCE,RESEARCH,ENGINEERI...
STRENGTHS:
SPEED
 MILLISECOND ONE THOUSANDTH
 MICROSECOND ONE MILLIONTH
 NANOSECOND ONE BILLIONTH
 PICOSECOND ONE TRIL...
PRONE TO MACHINE DEFECTION
IT CANNOT CORRECT HUMAN
ERRORS
IT CAN NOT INTERPRET
OBJECTS
COMPUTER LIMITATIONS:
OPPORTUNITIES FOR COMPUTER SPECIALISTS :
CHIEF INFORMATION OFFICER
SYSTEMS ANALYST
APPLICATIONS PROGRAMMERS/PROGRAMMERS
PR...
OPPORTUNITIES FOR COMPUTER SPECIALISTS :
DATA ENTRY/DATA ENCODER/ENCODER
WEB DESIGNER
INFORMATION DETECTIVE
INTERNET RESEA...
 PERSONAL COMPUTER/MICROCOMPUTER A
SMALL COMPUTER DESIGN FOR USE BY AN INDIVIDUAL.
 WORKSTATION A HIGH PERFORMANCE SINGL...
 HARDWARE THE PHYSICAL DEVICES THAT
COMPRISE A COMPUTER SYSTEM.
 SOFTWARE REFERS COLLECTIVELY TO A SET OF
INSTRUCTIONS, ...
SYSTEM ANY GROUP OF COMPONENTS (FUNCTIONS,
PEOPLE, ACTIVITIES, EVENTS & SO ON) THAT INTERFACE
WITH & COMPLEMENT ONE ANOTHE...

  

INPUT
PROCESSING
OUTPUT
STORAGE
4 FUNDAMENTAL COMPONENTS
OF COMPUTER SYSTEM:
The MicroComputer
System
4 FUNDAMENTAL COMPONENTS
OF COMPUTER SYSTEM:
1. INPUT AT THIS STAGE, DATA GATHERED ARE ENTERED
INTO THE COMPUTER IN AFORM ...
MOUSE AND TRACKBALL
4 FUNDAMENTAL COMPONENTS
OF COMPUTER SYSTEM:
2. PROCESSING THIS STAGE INVOLVES THE
MANIPULATION OF DATA OR THE PERFORMANCE...
4 FUNDAMENTAL COMPONENTS
OF COMPUTER SYSTEM:
2. PROCESSING
 MEMORY:
RANDOM ACCESS MEMORY (RAM) THE MEMORY AREA IN
WHICH A...
4 FUNDAMENTAL COMPONENTS
OF COMPUTER SYSTEM:
2. PROCESSING
 MOTHERBOARD: A LARGE CIRCUIT BOARD.
EXPANSION CARD/ADAPTER
PO...
4 FUNDAMENTAL COMPONENTS
OF COMPUTER SYSTEM:
3. OUTPUT THE PRODUCT OF THE PROCESSING STAGE.
SOFTCOPY TEMPORARY OUTPUT THAT...
4 FUNDAMENTAL COMPONENTS
OF COMPUTER SYSTEM:
4. STORAGE WHERE DATA ARE KEPT FOR LATER USE.
 MAGNETIC TAPE (SEQUENTIAL)
 ...
Magnetic Diskettes Capabilities
Size of
diskette
DS/DD DS/HD Hard
disk
5 ¼ inch 360 KB 1.2 MB
3 ½ inch 720 KB 1.44
MB
3 ½ ...
COMPACT DISK AND
DISKETTES
MELJUN CORTES CSC 15 Intro. to Information System
MELJUN CORTES CSC 15 Intro. to Information System
MELJUN CORTES CSC 15 Intro. to Information System
MELJUN CORTES CSC 15 Intro. to Information System
MELJUN CORTES CSC 15 Intro. to Information System
MELJUN CORTES CSC 15 Intro. to Information System
MELJUN CORTES CSC 15 Intro. to Information System
MELJUN CORTES CSC 15 Intro. to Information System
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MELJUN CORTES CSC 15 Intro. to Information System

  1. 1. Information Society MELJUN CORTESMELJUN CORTES
  2. 2. Computer Competency The user feel comfortable using and operating a computer Be able to make the computer work for him through judicious development or use of software Be able to interact with the computers
  3. 3. Computer Competency Understand the impact of computers on society, now and in the future Be an intelligent consumer of computers and computer equipment, collectively called hardware Be an intelligent consumer of computer- related products and services.
  4. 4. What is a COMPUTER? Technically speaking, a COMPUTER is a counting device It has the function of a CALCULATOR But a CALCULATOR is not considered as a COMPUTER.
  5. 5. Where do we used computers Graphics Retailing Energy Paperwork Transportation Law enforcement Money Agriculture Government Education At Home Health & Medicine Robotics The Sciences Connectivity Training
  6. 6. COMPUTER an electronic device capable of interpreting & executing programmed commands for input, output, computation & logic operation. USES: INFORMATION SYSTEMS/DATA PROCESSING PERSONAL COMPUTING SCIENCE, RESEARCH & ENGINEERING PROCESS/DEVICE CONTROL EDUCATION & REFERENCE COMPUTER-AIDED DESIGN ENTERTAINMENT & EDUTAINMENT ARTIFICIAL INTELLIGENCE COMMUNICATIONS
  7. 7. How do we use COMPUTERS? IS PC SRE PCD EDUC CAD ENT AI INFORMATION SYSTEM/DP PERSONAL COMPUTING SCIENCE,RESEARCH,ENGINEERING PROCESS/CONTROL DEVICE COMPUTER- AIDED DESIGN EDUCATION ENTERTAINMENT ARTIFICIAL INTELLIGENCE
  8. 8. STRENGTHS: SPEED  MILLISECOND ONE THOUSANDTH  MICROSECOND ONE MILLIONTH  NANOSECOND ONE BILLIONTH  PICOSECOND ONE TRILLIONTH ACCURACY  ZERO ERRORS CONSISTENCY  ALWAYS DO WHAT THEY ARE PROGRAMMED TO DO RELIABILITY  NO DOWNTIME MEMORY CAPABILITY  VIRTUALLY UNLIMITED
  9. 9. PRONE TO MACHINE DEFECTION IT CANNOT CORRECT HUMAN ERRORS IT CAN NOT INTERPRET OBJECTS COMPUTER LIMITATIONS:
  10. 10. OPPORTUNITIES FOR COMPUTER SPECIALISTS : CHIEF INFORMATION OFFICER SYSTEMS ANALYST APPLICATIONS PROGRAMMERS/PROGRAMMERS PROGRAMMER/ANALYSTS NETWORK ADMINISTRATORS SYSTEM PROGRAMMER DATABASE ADMINISTRATOR INTERNET SITE SPECIALIST COMPUTER OPERATOR USER LIASON PC SPECIALIST
  11. 11. OPPORTUNITIES FOR COMPUTER SPECIALISTS : DATA ENTRY/DATA ENCODER/ENCODER WEB DESIGNER INFORMATION DETECTIVE INTERNET RESEARCHER MIS PLANNER CONTROL CLERK QUALITY ASSURANCE SPECIALIST COMPUTER TECHNICIANS COMPUTER ENGINEERS EDP MANAGER SCHEDULER LIBRARIAN PROFESSORS/INSTRUCTORS
  12. 12.  PERSONAL COMPUTER/MICROCOMPUTER A SMALL COMPUTER DESIGN FOR USE BY AN INDIVIDUAL.  WORKSTATION A HIGH PERFORMANCE SINGLE-USER COMPUTER SYSTEM WITH SOPHISTICATED INPUT/OUTPUT DEVICES THAT CAN BE EASILY NETWORKED WITH OTHER WORSTATIONS OR COMPUTERS.  MIDSIZE MAINFRAME/MINICOMPUTER A MID- LEVEL COMPUTER BUILT TO PERFORM COMPLEX COMPUTATION WHILE DEALING EFFICIENTLY WITH A HIGH- LEVEL OF INPUT & OUTPUT FROM USERS VIA TERMINALS.  MAINFRAME COMPUTER A HIGH-LEVEL COMPUTER DESIGNED FOR THE MOST INTENSIVE COMPUTATIONAL TASKS. OFTEN SHARED BY MULTIPLE USERS CONNECTED TO THE COMPUTER VIA TERMINAL.  SUPERCOMPUTER A LARGE, EXTREMELY FAST & EXPENSIVE COMPUTER USED FOR COMPLEX OR SOPHISTICATED CALCULATIONS; TYPICALLY, A MACHINE CAPABLE OF PIPELINING INSTRUCTION EXECUTION & PROVIDING VECTOR INSTRUCTIONS. CATEGORIES OF COMPUTERS:
  13. 13.  HARDWARE THE PHYSICAL DEVICES THAT COMPRISE A COMPUTER SYSTEM.  SOFTWARE REFERS COLLECTIVELY TO A SET OF INSTRUCTIONS, CALLED PROGRAMS, THAT CAN BE INTERPRETED BY THE COMPUTER.  DATA THE INPUT TO THE PROCESSING; THE RAW MATERIAL. REPRESENTATION OF FACTS.  PEOPLE THE INIDIVIDUAL PROVIDING INPUT TO THE COMPUTER OR USING COMPUTER OUTPUT. ALSO KNOWN AS USERS/ END-USERS.  PROCEDURE THE STEPS THAT YOU MUST FOLLOW TO ACCOMPLISH A SPECIFIC COMPUTER-RELATED TASK. 5 ELEMENTS OF COMPUTING PROCESS:
  14. 14. SYSTEM ANY GROUP OF COMPONENTS (FUNCTIONS, PEOPLE, ACTIVITIES, EVENTS & SO ON) THAT INTERFACE WITH & COMPLEMENT ONE ANOTHER TO ACHIEVE ONE OR MORE PREDEFINED GOALS/OBJECTIVE. COMPUTER SYSTEM THE EQUIPMENT & OPERATIONAL ENVIRONMENT WHICH INCLUDES PROGRAMS & SPECIFIC APPLICATIONS. A COLLECTIVE REFERENCE TO ALL INTERCONNECTED COMPUTING HARDWARE, INCLUDING PROCESSORS, STORAGE DEVICES, INPUT/OUTPUT DEVICES & COMMUNICATION DEVICES.
  15. 15.      INPUT PROCESSING OUTPUT STORAGE 4 FUNDAMENTAL COMPONENTS OF COMPUTER SYSTEM:
  16. 16. The MicroComputer System
  17. 17. 4 FUNDAMENTAL COMPONENTS OF COMPUTER SYSTEM: 1. INPUT AT THIS STAGE, DATA GATHERED ARE ENTERED INTO THE COMPUTER IN AFORM ACCEPTABLE TO THE COMPUTER.  KEYED INPUT: KEYBOARD (QWERTY, DVORAK, …)  POINTING DEVICES: JOYSTICK, TRACKBALL, SPACEBALL, TRACKPOINT, TRACKMAN  PEN-BASED SYSTEM: PERSONAL DIGITAL ASSISTANT, LIGHT PEN, DIGITIZING TABLET & STYLUS/“PUCK”  TOUCH SCREEN SENSITIVE: TOUCH SCREEN, TOUCHPAD  VOICE RECOGNITION DEVICE: MICROPHONE DATA SCANNING DEVICES: OPTICAL RECOGNITION SYSTEM, WANDSCANNER, MAGNETIC INK CHARACTER RECOGNITION, BAR CODE READERS, OPTICAL MARK READER  CARD READER: CARD READ/PUNCH DEVICE
  18. 18. MOUSE AND TRACKBALL
  19. 19. 4 FUNDAMENTAL COMPONENTS OF COMPUTER SYSTEM: 2. PROCESSING THIS STAGE INVOLVES THE MANIPULATION OF DATA OR THE PERFORMANCE OF OPERATIONS ON THE DATA ENTERED ACCORDING TO A LIST OF INSTRUCTIONS OR PROGRAMS. (CLASSIFYING, SORTING, CALCULATING, SUMMARIZATION & STORAGE).  PROCESSOR THE LOGICAL COMPONENT OF A COMPUTER SYSTEM THAT INTERPRETS & EXECUTES PROGRAM INSTRUCTIONS. THE “INTELLIGENCE” / “NUCLEUS” OF A COMPUTER SYSTEM. IT PERFORMS ALL COMPUTATION & LOGIC OPERATIONS. ALSO CALLED CENTRAL PROCESSING UNIT, IT HAS ONLY 2 FUNDAMENTAL SECTIONS: (1) CONTROL UNIT (CU), & (2) ARITHMETIC & LOGIC UNIT (ALU).
  20. 20. 4 FUNDAMENTAL COMPONENTS OF COMPUTER SYSTEM: 2. PROCESSING  MEMORY: RANDOM ACCESS MEMORY (RAM) THE MEMORY AREA IN WHICH ALL PROGRAMS & DATA MUST RESIDE BEFORE PROGRAMS CAN BE EXECUTED OR DATA MANIPULATED. ALSO KNOWN AS THE PRIMARY MEMORY/PRIMARY STORAGE. READ ONLY MEMORY (ROM) A MEMORY CHIPWITH CONTENTS PERMANENTLY LOADED BY THE MANUFACTURER FOR READ-ONLY APPLICATIONS. CACHE MEMORY HIGH-SPEED SOLID-STATE MEMORY FOR PROGRAM INSTRUCTIONS & DATA. IT IS USED BY COMPUTER DESIGNERS TO INCREASE COMPUTER SYSTEM THROUGHPUT.
  21. 21. 4 FUNDAMENTAL COMPONENTS OF COMPUTER SYSTEM: 2. PROCESSING  MOTHERBOARD: A LARGE CIRCUIT BOARD. EXPANSION CARD/ADAPTER PORTS: PARALLEL PORTS (FOR PRINTERS) & SERIAL PORTS (FOR MODEM)  INTEGRATED CIRCUITS: ALSO KNOWN AS CHIPS, ARE TINY (ABOUT.5 INCH SQUARE) SILICON CHIPS INTO WHICH THOUSANDS OF ELECTRONIC COMPONENTS ARE ETCHED.
  22. 22. 4 FUNDAMENTAL COMPONENTS OF COMPUTER SYSTEM: 3. OUTPUT THE PRODUCT OF THE PROCESSING STAGE. SOFTCOPY TEMPORARY OUTPUT THAT CAN BE INTERPRETED VISUALLY OR THROUGH AUDIO.  MONITOR: CATHODE RAY TUBE (CRT) MONITORS, FLAT- PANEL MONITORS: LIQUID CRYSTAL DISPLAY (LCD), ELECTROLUMINESCENT (EL) DISPLAY, & GAS PLASMA  AUDIO OUTPUT: SPEECH SYNTHESIZER, SPEAKERS HARDCOPY A READABLE PRINTED COPY OF THE COMPUTER OUTPUT.  PRINTER: IMPACT PRINTERS: DOT-MATRIX PRINTER NON-IMPACT PRINTER: LASER & INKJET PRINTERS  PLOTTER  ROBOTS
  23. 23. 4 FUNDAMENTAL COMPONENTS OF COMPUTER SYSTEM: 4. STORAGE WHERE DATA ARE KEPT FOR LATER USE.  MAGNETIC TAPE (SEQUENTIAL)  MAGNETIC DISK: FLOPPY DISK (3.5” & 5.25”), HARD DISK, ZIP DISK  OPTICAL DISK: COMPACT DISC READ ONLY MEMORY (CD-ROM), WRITE ONCE READ ONLY MEMORY (WORM) CD, CD-READABLE, CD-ERASABLE, MAGNETO-OPTICAL DISK
  24. 24. Magnetic Diskettes Capabilities Size of diskette DS/DD DS/HD Hard disk 5 ¼ inch 360 KB 1.2 MB 3 ½ inch 720 KB 1.44 MB 3 ½ inch 230 MB Hard disk 30 MB to 3 GB
  25. 25. COMPACT DISK AND DISKETTES

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