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ME 2402 – COMPUTER INTEGRATED
MANUFACTURING (CIM)
YEAR/SEMESTER : IV/VII
UNIT II – COMPONENTS OF CIM
Prepared By
MANIMARAN.M
ASSISTANT PROFESSOR
K.RAMAKRISHNAN COLLEGE OF ENGINEERING
TRICHY 1/25/2016 1M.MANIMARAN KRCE TRICHY
UNIT II COMPONENTS OF CIM
CIM as a concept and a technology, CASA/SME model of CIM,
CIM II, benefits of CIM, communication matrix in CIM,
fundamentals of computer communication in CIM – CIM data
transmission methods – serial, parallel, asynchronous,
synchronous, modulation, demodulation, simplex and duplex.
Types of communication in CIM – point to point (PTP), star and
multiplexing. Computer networking in CIM – the seven layer
OSI model, LAN model, MAP model, network topologies – star,
ring and bus, advantages of networks in CIM
1/25/2016 2M.MANIMARAN KRCE TRICHY
WHAT IS CIM?
The term CIM comprises three words – computer, integrated and
manufacturing. CIM is the application of computers in manufacturing
in an integrated way.
CIM is an attempt to combine computer technologies in order to
manage and control the entire business and manufacturing.
CIM is the computerization of design, manufacturing, distribution
and financial/business function into one coherent system.
1/25/2016 3M.MANIMARAN KRCE TRICHY
DEFINITION OF CIM
CIM is the integration of the total manufacturing
enterprise through the use of integrated systems and
data communications coupled with new managerial
philosophies that improve organizational and personnel
efficiency.
CASA/SME
1/25/2016 4M.MANIMARAN KRCE TRICHY
CASA/SME’s CIM wheel
1/25/2016 5M.MANIMARAN KRCE TRICHY
Is CIM a concept or a technology?
CIM is both a concept and a technology. For, top
management, CIM is a concept, a blueprint for
success. For, middle management and line managers,
CIM is a technology, a physical realization of resources
that are more capable and flexible.
- Kant Vajpayee and Reiden
1/25/2016 6M.MANIMARAN KRCE TRICHY
Historical review of CIM
• 1909 – Ford’s concepts of Production lines were used
• 1923 – Automatic transfer lines were introduced.
• 1952 – Generation of punched paper tapes
• 1954 – First NC Milling machine used.
• 1959 – application of control using digital computer
• 1960 – First NC Control Unimate Robot was installed.
• 1963 – Sketchpad usage
• 1965 – International business machines developed.
• 1973 – CNC – DNC Concepts developed
• 1980 - Concept of FMS established.
1/25/2016 7M.MANIMARAN KRCE TRICHY
WHY CIM?
• To meet Competitive pressures.
• To coordinate and Organize data.
• To eliminate paper and cost associated with its use.
• To automate communication within a factory
• To facilitate simultaneous engineering.
1/25/2016 8M.MANIMARAN KRCE TRICHY
Objectives of CIM
The main aim of CIM is to use the advanced information processing
technology into all areas of manufacturing industry
More productive and efficient
Increase product reliability
Decrease the cost of production and maintenance
Reduces the number of hazardous jobs
1/25/2016 9M.MANIMARAN KRCE TRICHY
CIM I VS CIM II
CIM I – COMPUTER INTERFACED MANUFACTURING
aimed at interfacing the existing systems
result of the fourth generation of computers (data
interfacing)
CIM II – COMPUTER INTEGRATED MANUFACTURING
the integration of total manufacturing enterprises through
the use of integrated systems and data communications
result of the fifth generation of computers (networking)
finally, CIM II is a true CIM which means at true integration
of systems
1/25/2016 10M.MANIMARAN KRCE TRICHY
Computerized Elements of CIM system
1/25/2016 11M.MANIMARAN KRCE TRICHY
Schematic diagram of CIM
1/25/2016 12M.MANIMARAN KRCE TRICHY
Islands of automation
Islands of Automation represents the various technologies that
facilitates manufacturing automation in isolation, without having
integrated with other manufacturing technologies.
1/25/2016 13M.MANIMARAN KRCE TRICHY
The new SME manufacturing enterprise wheel
1/25/2016 14M.MANIMARAN KRCE TRICHY
CIM Hardware
MANUFACTURING EQUIPMENT
Workstations, Cells, DNC’s, FMS’s, Tool Handling Devices,
Storage Devices.,
COMPUTER RELATED HARDWARE'S
Computers, Controllers, CAD/CAM Systems, Workstation
Terminal, Printers, Plotters Modems Cables Connectors, etc.,
OFFICE EQUIPMENT
COMMUNICATION HARDWARE
Transmitters, Multiplexers Acoustic Couplers, Remote Batch
Terminal
1/25/2016 15M.MANIMARAN KRCE TRICHY
CIM SOFTWARE
• Design Program
• DBMS Program
• MIS Program
• Analysis Program
• Monitoring Program
• Bar Code Program
• Conveyor Program
• Job Tracking Program
• Simulation program
• Communications program
• Production control program
• Marketing program
1/25/2016 16M.MANIMARAN KRCE TRICHY
Potentials Benefits of CIM
• TANGIBLE BENEFITS
Higher Profits, Improved Quality, Lower Cost, Reduced Scrap and
Rework, Increased Factory Capacity, Shorter Lead Time, Improved
Performance, Reduced Inventory, Increased Manufacturing
Productivity, Increased machine utilization, Etc.
• INTANGIBLE BENEFITS
Customer Service, Greater Flexibility, Greater Responsiveness,
Improved Competitiveness, Safer Working Environment, Higher
Employee Morale, More opportunities for upgrading skills Etc..
1/25/2016 17M.MANIMARAN KRCE TRICHY
Network communications
Customer
Requirements
Sales and Marketing
Engineering Design
(BOM)
Material
Requirements
Planning
Manufacturing
Department
Shop Floor1/25/2016 18M.MANIMARAN KRCE TRICHY
Families of Communications matrix in CIM
Computers
Machines/
Process
Personnel
1/25/2016 19M.MANIMARAN KRCE TRICHY
Communication matrix
P
(Personnel)
C
(Computer)
M
(Machine)
P
(Personnel)
C
(Computer)
M
(Machine)
1/25/2016 20M.MANIMARAN KRCE TRICHY
Data communications and components
Data communication is the exchange of data between two devices
via some form of transmission medium
1/25/2016 21M.MANIMARAN KRCE TRICHY
NETWORKS
A communication network is a collection of equipment and physical
media that interconnects two or more communication devices
ADVANTAGES OF NETWORKS
• More efficient Management of Resources
• Networks help keep information reliable and up-to-date.
• Network help speed up data sharing
• Network help in business service their clients more effectively.
• Networks greatly expand a business marketing and customer service
capability.
1/25/2016 22M.MANIMARAN KRCE TRICHY
TYPES OF NETWORKS
1. Local Area Networks (LANs)
 Client/Server
 Peer to Peer
2. Metropolitan Area Networks (MANs)
3. Wide Area Networks (WANs)
1/25/2016 23M.MANIMARAN KRCE TRICHY
Local area networks
LAN is privately owned communications network that serves users with in a confined
geographical area (example office, a group of building close together, and college
campus ).
Now days, LAN have data rates reached 100 Mbps with GB systems
Realize large productivity and cost savings to organizations
1/25/2016 24M.MANIMARAN KRCE TRICHY
Types of LAN
1. Client/server
Requesting microcomputers called client
Supplying devices called servers
One or more administrator can manage security
and permission, convenient backup,
reduces network traffic
2. Peer-to-Peer
All microcomputers on the network communicate
Directly with one another without relying on a server
Every computer act as both client & server
Security is not an issue
1/25/2016 25M.MANIMARAN KRCE TRICHY
Metropolitan area networks (MANS)
• Communications network covering a geographic area the size of a
city
1/25/2016 26M.MANIMARAN KRCE TRICHY
Wide area networks (WANs)
WAN it provides long-distance transmission of data over large
geographical areas that may comprise the whole world.
1/25/2016 27M.MANIMARAN KRCE TRICHY
Network topology (types of communication line)
The geometric representation of the relationship of all the links and
linking devices to each other.
1/25/2016 28M.MANIMARAN KRCE TRICHY
STAR (or) RADIAL TOPOLOGY
• Each devices has a dedicated point-to-point link only to a central
controller as a HUB it is also called as point-to-point (PTP) connection
1/25/2016 29M.MANIMARAN KRCE TRICHY
TREE TOPOLOGY
The majority of devices connect to a secondary hub that in turn is
connected to the central hub
1/25/2016 30M.MANIMARAN KRCE TRICHY
BUS TOPOLOGY
• Nodes are connected to the bus cable by drop lines and taps. Drop line is
a connection running between the device and the main cable. Tap is a
connector
1/25/2016 31M.MANIMARAN KRCE TRICHY
RING TOPOLOGY
• Each device is connected to two and only to neighboring devices.
1/25/2016 32M.MANIMARAN KRCE TRICHY
HYBRID TOPOLOGIES
STAR BUS STAR RING
1/25/2016 33M.MANIMARAN KRCE TRICHY
DATA FLOW(TRANSMISSION MODE)
• Transmission modes refers to the direction of information flow
between two devices. There are three types of transmission modes,
Simplex Transmission
Half – duplex Transmission
Full – duplex Transmission
1/25/2016 34M.MANIMARAN KRCE TRICHY
COMPONENTS OF LAN
 Connection or Cabling Systems.
 Microcomputer with interface cards
 Network operating system
 Repeaters
 Bridges
 Routers
 Gateway
 Other Shared devices.1/25/2016 M.MANIMARAN KRCE TRICHY 35
TYPES OF TRANSMISSION
• ANALOG TRANSMISSION
• DIGITAL TRANSMISSION
1/25/2016 M.MANIMARAN KRCE TRICHY 36
MODES OF DIGITAL DATA TRANSMISSION
1/25/2016 37M.MANIMARAN KRCE TRICHY
SERIAL TRANSMISSION
Asynchronous Transmission
Synchronous Transmission
1/25/2016 38M.MANIMARAN KRCE TRICHY
MULTIPLEXERS
Multiplexers – is a device that connect several low speed transmission
into one high speed transmission
Concentrators
Front-end processors
1/25/2016 39M.MANIMARAN KRCE TRICHY
TRANSMISSION MEDIA
• GUIDED MEDIA
TWISTED PAIR CABLE
COAXIAL CABLE
FIBER OPTIC CABLE
• UNGUIDED MEDIA
FREE SPACE
1/25/2016 M.MANIMARAN KRCE TRICHY 40
NETWORK/MEDIUM ACCESS CONTROL METHOD FOR
LAN’S
Voltage variation
1/25/2016 41
CSMA/CD Token passing
M.MANIMARAN KRCE TRICHY
NETWORK ARCHITECTURES and PROTOCOLS
Network architecture describes the components, the functions performed,
and the interfaces and interactions between the components of a network.
 Open system interconnection (OSI) or (ISO/OSI Reference model)
Developed by ISO, to open communication b/w different systems without requiring changes to the
logic of the underlying software and hardware
 Manufacturing Automation Protocol (MAP)
subset of the ISO protocol designed to meet the needs of the factory automation
 The Technical and Office Protocol (TOP)
subset of the OSI/ISO standards for technical and office applications
1/25/2016 42M.MANIMARAN KRCE TRICHY
OSI model Layer
1/25/2016 43M.MANIMARAN KRCE TRICHY
Functions of the OSI layer diagram
1/25/2016 44M.MANIMARAN KRCE TRICHY
Functions of the OSI layer
1/25/2016 45M.MANIMARAN KRCE TRICHY
Functions of the OSI layer(Contd..,)
1/25/2016 46M.MANIMARAN KRCE TRICHY
Goals of OSI Model
To provide a standards for communication b/w systems
Remove any technical impediment
To define point of intersection for the exchange of information b/w systems
Organizations of OSI
IEC – International electro technical commission
ISO – International Organization of Standardization
CEN – European Committee for Standardization
EWOS – European Workshop on System
ECMA – European Computer Manufacturers Association
ANSI – American National Standards Institute
IEEE – Institute Of Electrical And Electronic Engineer
1/25/2016 47M.MANIMARAN KRCE TRICHY
MAP layer
1/25/2016 48M.MANIMARAN KRCE TRICHY
IMPORTANT QUESTIONS
1. Explain the concept and scope of CIM.
2. Define CIM and elaborate on the benefits of CIM in a manufacturing
organisation.
3. Explain the CASA / SME CIM wheel model with a neat sketch.
4. Explain the fundamentals of computer communication in CIM .
5. Explain the various CIM data transmission
6. State and brief about the types of communication in CIM
7. Define Computer networking in CIM and explain OSI model in detail
8. Explain about the types of computer networks its advantages and the
topologies.
1/25/2016 49M.MANIMARAN KRCE TRICHY

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COMPONENTS OF CIM

  • 1. ME 2402 – COMPUTER INTEGRATED MANUFACTURING (CIM) YEAR/SEMESTER : IV/VII UNIT II – COMPONENTS OF CIM Prepared By MANIMARAN.M ASSISTANT PROFESSOR K.RAMAKRISHNAN COLLEGE OF ENGINEERING TRICHY 1/25/2016 1M.MANIMARAN KRCE TRICHY
  • 2. UNIT II COMPONENTS OF CIM CIM as a concept and a technology, CASA/SME model of CIM, CIM II, benefits of CIM, communication matrix in CIM, fundamentals of computer communication in CIM – CIM data transmission methods – serial, parallel, asynchronous, synchronous, modulation, demodulation, simplex and duplex. Types of communication in CIM – point to point (PTP), star and multiplexing. Computer networking in CIM – the seven layer OSI model, LAN model, MAP model, network topologies – star, ring and bus, advantages of networks in CIM 1/25/2016 2M.MANIMARAN KRCE TRICHY
  • 3. WHAT IS CIM? The term CIM comprises three words – computer, integrated and manufacturing. CIM is the application of computers in manufacturing in an integrated way. CIM is an attempt to combine computer technologies in order to manage and control the entire business and manufacturing. CIM is the computerization of design, manufacturing, distribution and financial/business function into one coherent system. 1/25/2016 3M.MANIMARAN KRCE TRICHY
  • 4. DEFINITION OF CIM CIM is the integration of the total manufacturing enterprise through the use of integrated systems and data communications coupled with new managerial philosophies that improve organizational and personnel efficiency. CASA/SME 1/25/2016 4M.MANIMARAN KRCE TRICHY
  • 5. CASA/SME’s CIM wheel 1/25/2016 5M.MANIMARAN KRCE TRICHY
  • 6. Is CIM a concept or a technology? CIM is both a concept and a technology. For, top management, CIM is a concept, a blueprint for success. For, middle management and line managers, CIM is a technology, a physical realization of resources that are more capable and flexible. - Kant Vajpayee and Reiden 1/25/2016 6M.MANIMARAN KRCE TRICHY
  • 7. Historical review of CIM • 1909 – Ford’s concepts of Production lines were used • 1923 – Automatic transfer lines were introduced. • 1952 – Generation of punched paper tapes • 1954 – First NC Milling machine used. • 1959 – application of control using digital computer • 1960 – First NC Control Unimate Robot was installed. • 1963 – Sketchpad usage • 1965 – International business machines developed. • 1973 – CNC – DNC Concepts developed • 1980 - Concept of FMS established. 1/25/2016 7M.MANIMARAN KRCE TRICHY
  • 8. WHY CIM? • To meet Competitive pressures. • To coordinate and Organize data. • To eliminate paper and cost associated with its use. • To automate communication within a factory • To facilitate simultaneous engineering. 1/25/2016 8M.MANIMARAN KRCE TRICHY
  • 9. Objectives of CIM The main aim of CIM is to use the advanced information processing technology into all areas of manufacturing industry More productive and efficient Increase product reliability Decrease the cost of production and maintenance Reduces the number of hazardous jobs 1/25/2016 9M.MANIMARAN KRCE TRICHY
  • 10. CIM I VS CIM II CIM I – COMPUTER INTERFACED MANUFACTURING aimed at interfacing the existing systems result of the fourth generation of computers (data interfacing) CIM II – COMPUTER INTEGRATED MANUFACTURING the integration of total manufacturing enterprises through the use of integrated systems and data communications result of the fifth generation of computers (networking) finally, CIM II is a true CIM which means at true integration of systems 1/25/2016 10M.MANIMARAN KRCE TRICHY
  • 11. Computerized Elements of CIM system 1/25/2016 11M.MANIMARAN KRCE TRICHY
  • 12. Schematic diagram of CIM 1/25/2016 12M.MANIMARAN KRCE TRICHY
  • 13. Islands of automation Islands of Automation represents the various technologies that facilitates manufacturing automation in isolation, without having integrated with other manufacturing technologies. 1/25/2016 13M.MANIMARAN KRCE TRICHY
  • 14. The new SME manufacturing enterprise wheel 1/25/2016 14M.MANIMARAN KRCE TRICHY
  • 15. CIM Hardware MANUFACTURING EQUIPMENT Workstations, Cells, DNC’s, FMS’s, Tool Handling Devices, Storage Devices., COMPUTER RELATED HARDWARE'S Computers, Controllers, CAD/CAM Systems, Workstation Terminal, Printers, Plotters Modems Cables Connectors, etc., OFFICE EQUIPMENT COMMUNICATION HARDWARE Transmitters, Multiplexers Acoustic Couplers, Remote Batch Terminal 1/25/2016 15M.MANIMARAN KRCE TRICHY
  • 16. CIM SOFTWARE • Design Program • DBMS Program • MIS Program • Analysis Program • Monitoring Program • Bar Code Program • Conveyor Program • Job Tracking Program • Simulation program • Communications program • Production control program • Marketing program 1/25/2016 16M.MANIMARAN KRCE TRICHY
  • 17. Potentials Benefits of CIM • TANGIBLE BENEFITS Higher Profits, Improved Quality, Lower Cost, Reduced Scrap and Rework, Increased Factory Capacity, Shorter Lead Time, Improved Performance, Reduced Inventory, Increased Manufacturing Productivity, Increased machine utilization, Etc. • INTANGIBLE BENEFITS Customer Service, Greater Flexibility, Greater Responsiveness, Improved Competitiveness, Safer Working Environment, Higher Employee Morale, More opportunities for upgrading skills Etc.. 1/25/2016 17M.MANIMARAN KRCE TRICHY
  • 18. Network communications Customer Requirements Sales and Marketing Engineering Design (BOM) Material Requirements Planning Manufacturing Department Shop Floor1/25/2016 18M.MANIMARAN KRCE TRICHY
  • 19. Families of Communications matrix in CIM Computers Machines/ Process Personnel 1/25/2016 19M.MANIMARAN KRCE TRICHY
  • 21. Data communications and components Data communication is the exchange of data between two devices via some form of transmission medium 1/25/2016 21M.MANIMARAN KRCE TRICHY
  • 22. NETWORKS A communication network is a collection of equipment and physical media that interconnects two or more communication devices ADVANTAGES OF NETWORKS • More efficient Management of Resources • Networks help keep information reliable and up-to-date. • Network help speed up data sharing • Network help in business service their clients more effectively. • Networks greatly expand a business marketing and customer service capability. 1/25/2016 22M.MANIMARAN KRCE TRICHY
  • 23. TYPES OF NETWORKS 1. Local Area Networks (LANs)  Client/Server  Peer to Peer 2. Metropolitan Area Networks (MANs) 3. Wide Area Networks (WANs) 1/25/2016 23M.MANIMARAN KRCE TRICHY
  • 24. Local area networks LAN is privately owned communications network that serves users with in a confined geographical area (example office, a group of building close together, and college campus ). Now days, LAN have data rates reached 100 Mbps with GB systems Realize large productivity and cost savings to organizations 1/25/2016 24M.MANIMARAN KRCE TRICHY
  • 25. Types of LAN 1. Client/server Requesting microcomputers called client Supplying devices called servers One or more administrator can manage security and permission, convenient backup, reduces network traffic 2. Peer-to-Peer All microcomputers on the network communicate Directly with one another without relying on a server Every computer act as both client & server Security is not an issue 1/25/2016 25M.MANIMARAN KRCE TRICHY
  • 26. Metropolitan area networks (MANS) • Communications network covering a geographic area the size of a city 1/25/2016 26M.MANIMARAN KRCE TRICHY
  • 27. Wide area networks (WANs) WAN it provides long-distance transmission of data over large geographical areas that may comprise the whole world. 1/25/2016 27M.MANIMARAN KRCE TRICHY
  • 28. Network topology (types of communication line) The geometric representation of the relationship of all the links and linking devices to each other. 1/25/2016 28M.MANIMARAN KRCE TRICHY
  • 29. STAR (or) RADIAL TOPOLOGY • Each devices has a dedicated point-to-point link only to a central controller as a HUB it is also called as point-to-point (PTP) connection 1/25/2016 29M.MANIMARAN KRCE TRICHY
  • 30. TREE TOPOLOGY The majority of devices connect to a secondary hub that in turn is connected to the central hub 1/25/2016 30M.MANIMARAN KRCE TRICHY
  • 31. BUS TOPOLOGY • Nodes are connected to the bus cable by drop lines and taps. Drop line is a connection running between the device and the main cable. Tap is a connector 1/25/2016 31M.MANIMARAN KRCE TRICHY
  • 32. RING TOPOLOGY • Each device is connected to two and only to neighboring devices. 1/25/2016 32M.MANIMARAN KRCE TRICHY
  • 33. HYBRID TOPOLOGIES STAR BUS STAR RING 1/25/2016 33M.MANIMARAN KRCE TRICHY
  • 34. DATA FLOW(TRANSMISSION MODE) • Transmission modes refers to the direction of information flow between two devices. There are three types of transmission modes, Simplex Transmission Half – duplex Transmission Full – duplex Transmission 1/25/2016 34M.MANIMARAN KRCE TRICHY
  • 35. COMPONENTS OF LAN  Connection or Cabling Systems.  Microcomputer with interface cards  Network operating system  Repeaters  Bridges  Routers  Gateway  Other Shared devices.1/25/2016 M.MANIMARAN KRCE TRICHY 35
  • 36. TYPES OF TRANSMISSION • ANALOG TRANSMISSION • DIGITAL TRANSMISSION 1/25/2016 M.MANIMARAN KRCE TRICHY 36
  • 37. MODES OF DIGITAL DATA TRANSMISSION 1/25/2016 37M.MANIMARAN KRCE TRICHY
  • 38. SERIAL TRANSMISSION Asynchronous Transmission Synchronous Transmission 1/25/2016 38M.MANIMARAN KRCE TRICHY
  • 39. MULTIPLEXERS Multiplexers – is a device that connect several low speed transmission into one high speed transmission Concentrators Front-end processors 1/25/2016 39M.MANIMARAN KRCE TRICHY
  • 40. TRANSMISSION MEDIA • GUIDED MEDIA TWISTED PAIR CABLE COAXIAL CABLE FIBER OPTIC CABLE • UNGUIDED MEDIA FREE SPACE 1/25/2016 M.MANIMARAN KRCE TRICHY 40
  • 41. NETWORK/MEDIUM ACCESS CONTROL METHOD FOR LAN’S Voltage variation 1/25/2016 41 CSMA/CD Token passing M.MANIMARAN KRCE TRICHY
  • 42. NETWORK ARCHITECTURES and PROTOCOLS Network architecture describes the components, the functions performed, and the interfaces and interactions between the components of a network.  Open system interconnection (OSI) or (ISO/OSI Reference model) Developed by ISO, to open communication b/w different systems without requiring changes to the logic of the underlying software and hardware  Manufacturing Automation Protocol (MAP) subset of the ISO protocol designed to meet the needs of the factory automation  The Technical and Office Protocol (TOP) subset of the OSI/ISO standards for technical and office applications 1/25/2016 42M.MANIMARAN KRCE TRICHY
  • 43. OSI model Layer 1/25/2016 43M.MANIMARAN KRCE TRICHY
  • 44. Functions of the OSI layer diagram 1/25/2016 44M.MANIMARAN KRCE TRICHY
  • 45. Functions of the OSI layer 1/25/2016 45M.MANIMARAN KRCE TRICHY
  • 46. Functions of the OSI layer(Contd..,) 1/25/2016 46M.MANIMARAN KRCE TRICHY
  • 47. Goals of OSI Model To provide a standards for communication b/w systems Remove any technical impediment To define point of intersection for the exchange of information b/w systems Organizations of OSI IEC – International electro technical commission ISO – International Organization of Standardization CEN – European Committee for Standardization EWOS – European Workshop on System ECMA – European Computer Manufacturers Association ANSI – American National Standards Institute IEEE – Institute Of Electrical And Electronic Engineer 1/25/2016 47M.MANIMARAN KRCE TRICHY
  • 49. IMPORTANT QUESTIONS 1. Explain the concept and scope of CIM. 2. Define CIM and elaborate on the benefits of CIM in a manufacturing organisation. 3. Explain the CASA / SME CIM wheel model with a neat sketch. 4. Explain the fundamentals of computer communication in CIM . 5. Explain the various CIM data transmission 6. State and brief about the types of communication in CIM 7. Define Computer networking in CIM and explain OSI model in detail 8. Explain about the types of computer networks its advantages and the topologies. 1/25/2016 49M.MANIMARAN KRCE TRICHY